Renesas RAA3064002GFP User Manual
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Renesas RAA3064002GFP User Manual

Renesas RAA3064002GFP User Manual

Cmos ics resolver-to-digital converters
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RAA3064002GFP/RAA3064003GFP
Renesas CMOS ICs
Resolver-to-Digital Converters
All information contained in these materials, including products and product specifications,
represents information on the product at the time of publication and is subject to change by
Renesas Electronics Corp. without notice. Please review the latest information published by
Renesas Electronics Corp. through various means, including the Renesas Electronics Corp.
website (http://www.renesas.com).
www.renesas.com
User's Manual: Hardware
Rev.1.20 Apr 2021

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Summary of Contents for Renesas RAA3064002GFP

  • Page 1 All information contained in these materials, including products and product specifications, represents information on the product at the time of publication and is subject to change by Renesas Electronics Corp. without notice. Please review the latest information published by Renesas Electronics Corp. through various means, including the Renesas Electronics Corp.
  • Page 2 Renesas Electronics disclaims any and all liability for any damages or losses incurred by you or any third parties arising from the use of any Renesas Electronics product that is inconsistent with any Renesas Electronics data sheet, user’s manual or other Renesas Electronics document.
  • Page 3 Unit Products The following usage notes are applicable to all Microprocessing unit and Microcontroller unit products from Renesas. For detailed usage notes on the products covered by this document, refer to the relevant sections of the document as well as any technical updates that have been issued for the products.

  • Page 4: Table Of Contents

    CONTENTS Features ............................ 1 Overview ..........................2 Features ............................3 Application ............................. 3 Part Number ..........................3 Overview of Functions ........................4 Pin Assignment ..........................5 List of Pin Functions ........................6 Circuit Configuration ......................8 Example of a System Configuration ....................8 Internal Block Diagram ........................
  • Page 5 Recommended Operating Conditions ..................37 DC Characteristics ........................38 AC Characteristics ........................39 Analog Characteristics ........................ 43 Characteristics of Circuits ....................45 Drift in Phase with Temperature ....................45 Output Jitter (Histogram) ......................45 Drift in the Offset of Operational Amplifiers in the Shunt Current Amplifier Circuits with Temperature ..........................

  • Page 6: Features

    Error detection  voltage detection, or software Detection of disconnection from the resolver  Operating ambient temperature  sensor -40°C to +85°C (RAA3064002GFP)  Detection of an excessive temperature within the  -40°C to +105°C (RAA3064003GFP)  IC chip Application ...

  • Page 7: Overview

    1. Overview 1. Overview The RAA3064002GFP and RAA3064003GFP (hereinafter together referred to as “this IC”) are resolver-to-digital converters which are intended for use with single-phase excitation, two-phase output type resolver sensors (angle sensors). The resolver sensor outputs analog signals (electrical angle information) which are proportional to the angle of the mechanical rotation of the resolver.

  • Page 8: Features

    RAA3064002GFP/RAA3064003GFP 1. Overview Features Integrated exciter amplifier (excitation frequency: 5 kHz, 10 kHz, or 20 kHz; host MCU: RX24T)  Resolution of the angle signal (electrical angle): 16,000 pulses/rotation (excitation frequency: 5 kHz; operating  frequency of the host MCU timer: 80 MHz) Correction of errors in the detected signals from the resolver ...

  • Page 9: Overview Of Functions

    Power supply current Operating current: 20 mA (typ.) (other than the excitation output current) During a reset: 420 μA (typ.) Operating ambient temperature RAA3064002GFP: -40 to +85°C RAA3064003GFP: -40 to +105°C Package 48-pin plastic LQFP (7 x 7 mm, 0.5-mm pitch) R03UZ0002EJ0120 Rev.1.20...

  • Page 10: Pin Assignment

    RAA3064002GFP/RAA3064003GFP 1. Overview Pin Assignment Figure 1.2 shows a pin assignment. APFAR SCLK APFAC APFBC APFBR LDO2P1 AOUT CARRIER FAMPOUT FAMPIN MNTOUT LDO2P1: To prevent malfunctions due to noise, do not connect anything to this pin. Figure 1.2 Pin Assignment (Top View) R03UZ0002EJ0120 Rev.1.20...

  • Page 11: List Of Pin Functions

    RAA3064002GFP/RAA3064003GFP 1. Overview List of Pin Functions Table 1.3 lists the pin functions. Table 1.3 List of Pin Functions (1/2) Pin No. Pin Name Input/ Function Type Power During and Output Supply after a Reset I2OUT Output Signal amplified by differential amplifier 2 in the shunt...
  • Page 12 RAA3064002GFP/RAA3064003GFP 1. Overview Table 1.3 List of Pin Functions (2/2) Pin No. Pin Name Input/ Function Type Power During and Output Supply after a Reset Power  Power supply for digital circuits   supply COUT Output Angle signal Digital...

  • Page 13: Circuit Configuration

    RAA3064002GFP/RAA3064003GFP 2. Circuit Configuration Circuit Configuration Example of a System Configuration Figures 2.1 and 2.2 show examples of system configurations. For the specifications of the recommended peripheral components, see the application note Guide to Selecting Peripheral Components for Use with the Resolver-to-Digital Converters (R03AN0012EJ).
  • Page 14 RAA3064002GFP/RAA3064003GFP 2. Circuit Configuration This IC 5-V power source Control block Timer output pin Serial interface pin Serial interface pin SCLK Serial interface pin REGC Serial interface pin Shunt current General-purpose RESET# Reset amplification port output pin Reference I2INP circuit...

  • Page 15: Internal Block Diagram

    RAA3064002GFP/RAA3064003GFP 2. Circuit Configuration Internal Block Diagram Figure 2.3 shows an internal block diagram. Power supply Analog block Shunt current amplification circuit Regulator REGC I1INN Differential Amplified signal × 2 Differential input × 2 I1OUT amplifier I1INP I2OUT (× 2)

  • Page 16: Internal Circuit

    RAA3064002GFP/RAA3064003GFP 2. Circuit Configuration Internal Circuit 2.3.1 Resolver Actuator The resolver actuator is configured by a constant-current excitation circuit. Figure 2.4 shows an actuator and its external circuit. The current that drives the resolver can be controlled by the amplitude of the excitation clock signal applied on the CARRIER pin and a current limiting resistor R connected between EXCOUT1 and EXCFBP.

  • Page 17: Resolver Signal Detection Block

    RAA3064002GFP/RAA3064003GFP 2. Circuit Configuration 2.3.2 Resolver Signal Detection Block The resolver signal detection block consists of the following circuits.  Differential amplifiers A and B  Phase adjustment circuits A and B  A synthesizer circuit  Filters  A waveform shaping circuit Figure 2.5 shows the resolver signal detection block and its external circuit.
  • Page 18 RAA3064002GFP/RAA3064003GFP 2. Circuit Configuration The angle signal with its phase delayed in proportion to the resolver angle is output from the waveform shaping circuit in response to the excitation signal. Angle information can be obtained by using the host MCU to measure the phase between the rectangular excitation wave and the angle signal.

  • Page 19: Shunt Current Amplification Circuit

    RAA3064002GFP/RAA3064003GFP 2. Circuit Configuration 2.3.3 Shunt Current Amplification Circuit The shunt current amplification circuit consists of two differential amplifiers. The differential amplifiers amplify the differential voltage between the InINP and InINN pins and outputs the results through InOUT (n = 1 or 2). The bias voltage and gain of the differential amplifiers are specifiable.

  • Page 20: Control Block

    RAA3064002GFP/RAA3064003GFP 2. Circuit Configuration 2.3.4 Control Block The control block consists of a reset generating circuit, an SPI interface, and registers. Operations are triggered by the clock signal input through the CLK pin. This block can be reset by any from among the following reset sources: RESET#, voltage detection reset, or software reset.

  • Page 21: Detection Of The Internal State

    RAA3064002GFP/RAA3064003GFP 2. Circuit Configuration 2.3.5 Detection of the Internal State This IC can detect the levels of the signals being input to the differential amplifiers and excessive temperatures within the chip. A signal from among these can be selected for output, allowing the external monitoring of the IC’s internal state.

  • Page 22: Power Supply Circuit

    RAA3064002GFP/RAA3064003GFP 2. Circuit Configuration 2.3.6 Power Supply Circuit This IC has three pairs of power supply pins. EVDD and EVSS are exclusively used for the constant-current excitation circuit. AVDD and AVSS are used for the other analog circuits. The reference voltage used for the analog circuits and 2.1-V power supply used for the logic circuits in the controller are generated by an on-chip regulator having AVDD as the...

  • Page 23: Control Registers

    RAA3064002GFP/RAA3064003GFP 3. Control Registers Control Registers List of Registers Table 3.1 List of Registers Register Name Symbol Number of Address Value After Bits a Reset Power-saving control register 1 Power-saving control register 2 Power-saving control register 3 Software reset register...

  • Page 24: Register Descriptions

    RAA3064002GFP/RAA3064003GFP 3. Control Registers Register Descriptions 3.2.1 Power-Saving Control Register 1 (PS1) The PS1 register is used to control the power-saving state of the IC other than the control block and temperature detection circuit. Address: 02H Value after a reset: 00H R/W: R/W...

  • Page 25: Power-Saving Control Register 2 (Ps2)

    RAA3064002GFP/RAA3064003GFP 3. Control Registers 3.2.2 Power-Saving Control Register 2 (PS2) The PS2 register is used to control the power-saving state of individual circuits. The settings in this register has no effect when the PSALL bit in the PS1 register is set to 0 (placing the IC in the power- saving state).

  • Page 26: Power-Saving Control Register 3 (Ps3)

    RAA3064002GFP/RAA3064003GFP 3. Control Registers 3.2.3 Power-Saving Control Register 3 (PS3) The PS3 register is used to control the power-saving state of individual circuits. The settings in this register has no effect when the PSALL bit in the PS1 register is set to 0 (placing the IC in the power- saving state).

  • Page 27: Software Reset Register (Swrst)

    RAA3064002GFP/RAA3064003GFP 3. Control Registers 3.2.4 Software Reset Register (SWRST) The SWRST register is used to reset the IC by software at desired times after operation has started. Address: 06H Value after a reset: 00H R/W: R/W SWRST Bit Name Function 7 to 1 ...

  • Page 28: Differential Amplifier Input Range Monitoring Register (Ddmnt)

    RAA3064002GFP/RAA3064003GFP 3. Control Registers 3.2.5 Differential Amplifier Input Range Monitoring Register (DDMNT) The DDMNT register indicates whether inputs to the differential amplifiers are within the allowable range. Address: 0EH Value after a reset: FFH R/W: R Bit Name Function 7 to 4 ...

  • Page 29: Alarm# Output Setting Register (Almout)

    RAA3064002GFP/RAA3064003GFP 3. Control Registers 3.2.7 ALARM# Output Setting Register (ALMOUT) The ALMOUT register is used to specify the source of the ALARM# output. Address: 16H Value after a reset: 00H R/W: R/W DDAN TSDAN Bit Name Function 7 to 5 ...

  • Page 30: Monitor Output Selection Register (Mntsl)

    RAA3064002GFP/RAA3064003GFP 3. Control Registers 3.2.8 Monitor Output Selection Register (MNTSL) The MNTSL register is used to select the signal to be output to the MNTOUT pin. Address: 20H Value after a reset: 00H R/W: R/W MNT[2:0] Bit Name Function 7 to 3 ...

  • Page 31: Monitor Output Mode Selection Register (Mdcacsel)

    RAA3064002GFP/RAA3064003GFP 3. Control Registers 3.2.9 Monitor Output Mode Selection Register (MDCACSEL) The MDCACSEL register is used to select the waveform mode of the signal output from the MNTOUT pin. Address: 28H Value after a reset: 00H R/W: R/W DCAC Bit Name...

  • Page 32: Phase Adjustment Circuit Gain Adjustment Value Selection Register (Dlcgsl)

    RAA3064002GFP/RAA3064003GFP 3. Control Registers 3.2.11 Phase Adjustment Circuit Gain Adjustment Value Selection Register (DLCGSL) The DLCGSL register is used to select the gain adjustment value of the phase adjustment circuits. Address: 30H Value after a reset: 00H R/W: R/W DLCG[4:0]...

  • Page 33: Shunt Current Amplification Circuit Control Register (Csactl)

    RAA3064002GFP/RAA3064003GFP 3. Control Registers 3.2.13 Shunt Current Amplification Circuit Control Register (CSACTL) The CSACTL register is used to control the shunt current amplification circuit. Address: 42H Value after a reset: 00H R/W: R/W MSLP SW_CSREF SHUTSL[1:0] Bit Name Function MSLP...

  • Page 34: Over-Temperature Detection Circuit Control Register (Foper)

    RAA3064002GFP/RAA3064003GFP 3. Control Registers 3.2.14 Over-Temperature Detection Circuit Control Register (FOPER) The FOPER register is used to control of the thermal comparator circuit. Address: 48H Value after a reset: 00H R/W: R/W TSDEN Bit Name Function 7 to 1 ...

  • Page 35: Access To Registers

    RAA3064002GFP/RAA3064003GFP 3. Control Registers Access to Registers Reading and writing to registers in this IC is handled by a host MCU via SPI communications where the MCU is the master and this IC is a slave. Four lines are used for the interface: serial clock input (SCLK), serial data input and output (SDI and SDO), and chip select input (CS#).

  • Page 36: Operation

    RAA3064002GFP/RAA3064003GFP 4. Operation 4. Operation Basic Operation for Conversion of Signals from Resolver This IC can be used to drive a single-phase excitation input and two-phase output type resolver sensor, and to convert the signals from the resolver sensor to digital signals.
  • Page 37 RAA3064002GFP/RAA3064003GFP 4. Operation The signal detected by the resolver sensor is converted to an angle signal in the resolver signal detection block. Figure 4.3 shows the flow of signal waveforms. The signals detected by the resolver sensor are amplified by the differential amplifier circuits.
  • Page 38 RAA3064002GFP/RAA3064003GFP 4. Operation The angle signal is generated as a rectangular wave with its phase delayed in proportion to the resolver angle. Angle information can be obtained by using the MCU to measure the phase difference between the rectangular excitation wave and angle signal.

  • Page 39: Detection Of Disconnection From The Resolver Sensor

    RAA3064002GFP/RAA3064003GFP 4. Operation Detection of Disconnection from the Resolver Sensor Connection of this IC to a resolver sensor can be detected by monitoring the levels of the internal signals. The selected internal signal can be output through the MNTOUT pin to an A/D converter of the host MCU for detection of the signal level.
  • Page 40 RAA3064002GFP/RAA3064003GFP 4. Operation , EV , IOV 1.8 V RESET# Min. 1 ms RESWP Communications disabled Communications enabled SPI communications Release from the power-saving state (by register settings) Release from the Resolver signals Power-saving state State of the internal circuits power-saving state can be converted.

  • Page 41: Calibration Of The Errors

    RAA3064002GFP/RAA3064003GFP 4. Operation Communications enabled SPI communications Writing 1 to the Writing 0 to the Release from the power-saving state SWRST register SWRST register (by register settings) (applying the reset) (releasing the reset) Resolver signals Resolver signals Release from the...

  • Page 42: Electrical Characteristics

    RAA3064002GFP/RAA3064003GFP 5. Electrical Characteristics 5. Electrical Characteristics Absolute Maximum Ratings Table 5.1 Absolute Maximum Ratings Conditions: AV = EV = IOV = 0 V Item Symbol Condition Rating Unit -0.5 to +6.5 Power supply voltage Note -0.3 to AV + 0.3...

  • Page 43: Dc Characteristics

    RAA3064002GFP/RAA3064003GFP 5. Electrical Characteristics DC Characteristics Table 5.3 DC Characteristics (1) Conditions: T = -40 to +105°C, AV = EV = IOV = 4.5 to 5.5 V, AV = EV = IOV = 0 V Item Symbol Condition Min. Typ.

  • Page 44: Ac Characteristics

    RAA3064002GFP/RAA3064003GFP 5. Electrical Characteristics AC Characteristics Measurement points Figure 5.1 AC Timing Measurement Points Table 5.5 Clock Timing Conditions: T = -40 to +105°C, AV = EV = IOV = 4.5 to 5.5 V, AV = EV = IOV = 0 V...
  • Page 45 RAA3064002GFP/RAA3064003GFP 5. Electrical Characteristics Table 5.6 Reset Input Timing Conditions: T = -40 to +105°C, AV = EV = IOV = 4.5 to 5.5 V, AV = EV = IOV = 0 V Item Symbol Condition Min. Typ. Max. Unit...
  • Page 46 RAA3064002GFP/RAA3064003GFP 5. Electrical Characteristics Table 5.8 SPI Timing Conditions: T = -40 to +105°C, AV = EV = IOV = 4.5 to 5.5 V, AV = EV = IOV = 0 V Item Symbol Condition Min. Typ. Max. Unit SCLK cycle ...
  • Page 47 RAA3064002GFP/RAA3064003GFP 5. Electrical Characteristics Table 5.9 Phase Adjustment Signal Input Timing Conditions: T = -40 to +105°C, AV = EV = IOV = 4.5 to 5.5 V, AV = EV = IOV = 0 V Item Symbol Condition Min. Typ.

  • Page 48: Analog Characteristics

    RAA3064002GFP/RAA3064003GFP 5. Electrical Characteristics Analog Characteristics Table 5.10 Resolver Actuator Conditions: T = -40 to +105°C, AV = EV = IOV = 4.5 to 5.5 V, AV = EV = IOV = 0 V Item Symbol Condition Min. Typ. Max.
  • Page 49 RAA3064002GFP/RAA3064003GFP 5. Electrical Characteristics Table 5.12 Detection of IC Internal State Conditions: T = -40 to +105°C, AV = EV = IOV = 4.5 to 5.5 V, AV = EV = IOV = 0 V Item Symbol Condition Min. Typ.

  • Page 50: Characteristics Of Circuits

    RAA3064002GFP/RAA3064003GFP 6. Characteristics of Circuits 6. Characteristics of Circuits Drift in Phase with Temperature Conditions: AV = EV = IOV = 5.0 V, AV = EV = IOV = 0 V -100 -200 Ta [°C] 5 kHz* ; gain* = × 16.5 10 kHz* ;...

  • Page 51: Drift In The Offset Of Operational Amplifiers In The Shunt Current Amplifier Circuits With

    RAA3064002GFP/RAA3064003GFP 6. Characteristics of Circuits Drift in the Offset of Operational Amplifiers in the Shunt Current Amplifier Circuits with Temperature Conditions: AV = EV = IOV = 5.0 V, AV = EV = IOV = 0 V I1OUT Gain × 10...
  • Page 52 RAA3064002GFP/RAA3064003GFP 6. Characteristics of Circuits Conditions: AV = EV = IOV = 5.0 V, AV = EV = IOV = 0 V Gain × 10 I2OUT Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 Temperature [°C] Gain × 25...

  • Page 53: Appendix 1. Resolution Of The Angle Signal

    RAA3064002GFP/RAA3064003GFP Appendix 1. Resolution of the Angle Signal Appendix 1. Resolution of the Angle Signal This IC outputs a single-phase excitation signal to the resolver sensor. The signal is triggered by the excitation clock signal (rectangular excitation wave) input from the host MCU. This IC then generates an angle signal (rectangular wave) from the two-phase signals (electrical angle information) detected by the resolver sensor, and outputs the angle signal to the host MCU.
  • Page 54 RAA3064002GFP/RAA3064003GFP Appendix 1. Resolution of the Angle Signal Table A Resolution by Timer Operating Frequency in Relation to the Excitation Frequency Excitation Frequency Timer operating frequency 5 kHz 10 kHz 20 kHz 40 MHz 8,000 4,000 2,000 80 MHz 16,000...

  • Page 55: Appendix 2. Package Dimensions

    RAA3064002GFP/RAA3064003GFP Appendix 2. Package Dimensions Appendix 2. Package Dimensions For the latest information on package dimensions and mounting, see “Packaging Information” on the Renesas website. R03UZ0002EJ0120 Rev.1.20 Page 50 of 52 Apr 05, 2021...

  • Page 56: Revision History

    RAA3064002GFP/RAA3064003GFP Revision History Revision History Major Revisions in This Edition Page Description Classification 3. Control Registers Table 3.1 List of Registers: p.18 Over-temperature detection circuit control register (FOPER) was added. 3.2.7 ALARM# Output Setting Register (ALMOUT): p.24 The description was added.

  • Page 57: Revision History Of Preceding Edition

    RAA3064002GFP/RAA3064003GFP Revision History Revision History of Preceding Edition Edition Description Section Rev.1.00 First edition issued Table 1.1 List of Part Numbers: Rev.1.10 1. Overview The order codes were added. Figure 1.2 Pin Assignment (Top View): The name of pin 45 and the note for pin 45 were changed.
  • Page 58 RAA3064002GFP/RAA3064003GFP Renesas CMOS ICs Resolver-to-Digital Converters User’s Manual: Hardware Publication Date: Rev.1.00 Nov 20, 2019 Rev.1.20 Apr 05, 2021 Published by: Renesas Electronics Corporation...
  • Page 59 RAA3064002GFP/RAA3064003GFP Renesas CMOS ICs Resolver-to-Digital Converters R03UZ0002EJ0120...

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