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UM2480
User manual
Getting started with the X-NUCLEO-EEPRMA1 standard I²C and SPI EEPROM
memory expansion board based on M24xx and M95xx series for STM32 Nucleo
Introduction
The
X-NUCLEO-EEPRMA1
expansion board is designed for M24xx I²C and M95xx SPI EEPROM for data reading and writing.
The expansion board acts as an external storage device that can be used to store data such as manufacturing traceability,
calibration, user setting, error flags, data log and monitoring data to make applications more flexible and accurate.
The X-NUCLEO-EEPRMA1 expansion board is compatible with the Arduino UNO R3 connector pin assignment and can be
easily plugged to any
STM32 Nucleo
development board. You can mount the ST morpho connectors if required.
Figure 1.
X-NUCLEO-EEPRMA1 expansion board
UM2480 - Rev 1 - October 2018
www.st.com
For further information contact your local STMicroelectronics sales office.
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Summary of Contents for ST X-NUCLEO-EEPRMA1
- Page 1 The expansion board acts as an external storage device that can be used to store data such as manufacturing traceability, calibration, user setting, error flags, data log and monitoring data to make applications more flexible and accurate. The X-NUCLEO-EEPRMA1 expansion board is compatible with the Arduino UNO R3 connector pin assignment and can be easily plugged to any STM32 Nucleo development board.
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Page 2: Acronyms And Abbreviations
UM2480 Acronyms and abbreviations Acronyms and abbreviations Table 1. List of acronyms Acronym Description EEPROM Electrically erasable programmable read only memory Mega Hertz Microcontroller unit Serial peripheral interface Inter-integrated circuit UM2480 - Rev 1 page 2/22... -
Page 3: Getting Started
RoHS and WEEE compliant Typical applications The X-NUCLEO-EEPRMA1 expansion board acts as an external storage device that can be used for storing data such as manufacturing traceability, calibration data, user setting, error flags, data log and monitoring data to make applications more flexible and accurate. -
Page 4: Board Setup
Board setup • an STM32 Nucleo development board (NUCLEO-F401RE or NUCLEO-L053R8) • an X-NUCLEO-EEPRMA1 expansion board Board setup Step 1. Check the jumper on J1 and J2 connectors are connected. These jumpers provide the required voltage to the devices. Step 2. -
Page 5: Hardware Description And Configuration
X-NUCLEO-EEPRMA1 expansion board and the NUCLEO-L053R8 NUCLEO-F401RE board connection details are listed in the tables below. Table 2. X-NUCLEO-EEPRMA1 and NUCLEO-L053R8 connection details (left connector) Signal name NC IOREF RESET GND GND Connector name CN6 Power CN8 Analog Pin number... -
Page 6: Table 3. X-Nucleo-Eeprma1 And Nucleo-L053R8 Connection Details (Right Connector)
UM2480 Interconnection details Table 3. X-NUCLEO-EEPRMA1 and NUCLEO-L053R8 connection details (right connector) Signal name AREF Connector name CN5 Digital CN9 Digital Pin number NUCLEO-L053R8 MCU port PB10 PA10 NUCLEO-L053R8 MCU signals X-NUCLEO-EEPRMA1 shield signals Table 4. X-NUCLEO-EEPRMA1 and NUCLEO-F401RE connection details (left connector) -
Page 7: Current Measurement
UM2480 Current measurement Table 5. X-NUCLEO-EEPRMA1 and NUCLEO-F401RE connection details (right connector) Signal name AREF Connector name CN5 Digital CN9 Digital Pin number NUCLEO-F401RE MCU port PB10 PA10 NUCLEO-F401RE MCU signals X-NUCLEO-EEPRMA1 shield signals Current measurement J1 can be used to monitor the I²C device power consumption, whereas J2 can be used to monitor the SPI device power consumption. -
Page 8: X-Nucleo-Eeprma1 Component Placement Details
UM2480 X-NUCLEO-EEPRMA1 component placement details X-NUCLEO-EEPRMA1 component placement details Figure 3. X-NUCLEO-EEPRMA1 component placement details Figure 4. X-NUCLEO-EEPRMA1 top view layout UM2480 - Rev 1 page 8/22... -
Page 9: Figure 5. X-Nucleo-Eeprma1 Bottom View Layout
UM2480 X-NUCLEO-EEPRMA1 component placement details Figure 5. X-NUCLEO-EEPRMA1 bottom view layout UM2480 - Rev 1 page 9/22... -
Page 10: Component Description
UM2480 Component description Component description M24XX Table 6. M24C02 details Feature Description Sales type M24C02-FMC6TG Package UFDFPN8 Single supply voltage 1.7 to 5.5 V (full temperature range) and 1.6 to 1.7 V (limited temperature range) Table 7. M24256 details Feature Description Sales type M24256-DFDW6TP... -
Page 11: Table 11. M95M01 Details
UM2480 M95XX Table 11. M95M01 details Feature Description Sales type M95M01-DFMN6TP Package Single supply voltage 1.7 to 5.5 V UM2480 - Rev 1 page 11/22... -
Page 12: External Eeproms
Open J5 and J6 3V3 and VCC pins and short the EXT and VCC pins Note: External VCC can be used to power EEPROM with a different VCC for specific evaluations. Figure 6. I2C and SPI EEPROM soldered on the X-NUCLEO-EEPRMA1 expansion board UM2480 - Rev 1 page 12/22... -
Page 13: Bill Of Materials
UM2480 Bill of materials Bill of materials Table 12. X-NUCLEO-EEPRMA1 bill of materials Item Q.ty Ref. Part / Value Description Manufacturer Order code 2 KBIT 400 KHZ 2-Kbit serial I²C bus M24C02-FMC6TG UFDFPN8 EEPROM 256 KBIT 1 MHZ 256-Kbit serial I²C... - Page 14 UM2480 Bill of materials Item Q.ty Ref. Part / Value Description Manufacturer Order code R22, R32, 10 K ±5% 1/10 W Resistors Panasonic ERJ-2GEJ103X R33, R34 SMD0402 S1, S2, S3, S4, S5, S6, CLOSE Solder bridge S7, S20 S11, S15 OPEN Solder bridge S10, S13...
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Page 15: Schematic Diagrams
UM2480 Schematic diagrams Schematic diagrams Figure 7. X-NUCLEO-EEPRMA1 circuit schematic (1 of 4) M95_VCC M95_VCC FOR CURRENT MEASUREMENT U5_Sn M95_VCC 100nF M95_MISO M95_Hn HOLD M95_WPn M95_SCLK M95_MOSI M95_VCC M95_WPn M95040-RMC6TG (4Kb, DFN8 ) M95_VCC CON3 M95_VCC U6_Sn M95_VCC 100nF M95_MISO... -
Page 16: Figure 8. X-Nucleo-Eeprma1 Circuit Schematic (2 Of 4)
UM2480 Schematic diagrams Figure 8. X-NUCLEO-EEPRMA1 circuit schematic (2 of 4) JJ11 M24_VCC FOR CURRENT MEASUREMENT CC11 1K R37 M24_VCC 100nF M24_WC M24_VCC M24_I2C_SCL M24_I2C_SDA SSSDA M24C02-FMC6TG (2Kb, DFN8 ) M24_I2C_SCL M24_VCC 3.3K M24_I2C_SDA M24_VCC 3.3K M24_VCC M24_VCC 100nF M24_WC... -
Page 17: Figure 10. X-Nucleo-Eeprma1 Circuit Schematic (4 Of 4)
UM2480 Schematic diagrams Figure 10. X-NUCLEO-EEPRMA1 circuit schematic (4 of 4) M24_I2C_SCL CLOSED M24_I2C_SDA CLOSED IOREF RESET AREF RESET AREF M95_SCLK CLOSED SCK/D13 M95_MISO CLOSED MISO/D12 M95_MOSI CLOSED MOSI/PWM/D11 CN5_3_U7_Sn CLOSED PWM/D10 U6_Sn CLOSED PWM/D9 OPEN M95_WPn OPEN M24_WC OPEN... -
Page 18: Revision History
UM2480 Revision history Table 13. Document revision history Date Revision Changes 04-Oct-2018 Initial release. UM2480 - Rev 1 page 18/22... -
Page 19: Table Of Contents
Current measurement............7 X-NUCLEO-EEPRMA1 component placement details ....... . 7 Component description . - Page 20 List of acronyms ..............2 Table 2. X-NUCLEO-EEPRMA1 and NUCLEO-L053R8 connection details (left connector) ..... . . 5 Table 3.
- Page 21 X-NUCLEO-EEPRMA1 component placement details ........
- Page 22 ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’...
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