Atmel AT9322 R2 Technical Reference Manual
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Atmel AT9322 R2 Technical Reference Manual

Atmel AT9322 R2 Technical Reference Manual

Multimedia usb keyboard hub
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AT9322 R2
Multimedia USB Keyboard Hub
Technical Reference Manual
Revision 2.1

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Summary of Contents for Atmel AT9322 R2

  • Page 1 AT9322 R2 Multimedia USB Keyboard Hub Technical Reference Manual Revision 2.1...

  • Page 2: Table Of Contents

    1.1 Description----------------------------------------------------------------------------------- 1.2 Features--------------------------------------------------------------------------------------- 2.0 Application Block Diagram------------------------------------------------------------------ 3.0 Pin Assignment--------------------------------------------------------------------------------- 4.0 System Architecture and Reference Design------------------------------------------- 4.1 AT9322 R2 Block Diagram --------------------------------------------------------------- ---- 4.2 Sample Schematics------------------------------------------------------------------------- 4.3 Keyboard Hub EEPROM Sample Value---------------------------------------------- --------- 4.4 Sample Key Matrix Layout Table------------------------------------------------------- 5.0 Electrical Characteristics--------------------------------------------------------------------...

  • Page 3: Introduction

    1.0 Introduction Description The AT9322 R2 is an integrated USB keyboard and 2 port hub controller chip. The AT9322 R2 has a built-in default keyboard matrix, so that it can be directly connected to an 18 x 8 keyboard matrix. The keyboard matrix can be customized via an optional external 1024-byte serial EEPROM.

  • Page 4: Application Block Diagram

    2.0 Application Block Diagram The AT9322 R2 is a single chip which integrates USB keyboard and hub functionality. The upstream port is connected to the USB system. The downstream ports can be used for a mouse and joystick. The multimedia function keys are designed to support volume control, CD/DVD Play/Pause, Stop, Eject, Mute and general purpose shortcut keys for one key internet, email and help.

  • Page 5: Pin Assignment

    3.0 Pin Assignment The AT9322 R2 is packed in a 64-pin Quad Flat Package (LQFP). The following figure shows the signal names for each of the pins on the chip of a LQFP package. The table on the following page describes each of the pin signals.
  • Page 6 Table 3-1. Pin Descriptions Pin # Pin Name IO Type Driving Capability Description GNDIO Ground 5V Power Supply 5V input VCC33 Regulator 3.3V Output WAKUPKYN INPUT, PULL UP ACPI wakeup key SHUTDKYN INPUT, PULL UP ACPI shutdown key SCAN_M2 INPUT,OUTPUT,PULL DOWN 16mA, 50KOhm Row/Scan Line (dedicated for mm/shortcut keys)
  • Page 7 enable (gang mode) DP2OVRCUR INPUT,PULL UP 50KOhm Port 2 over current – low active DP2PWRUP OUTPUT Downstream port 2 power enable – low active DP1OVRCUR INPUT,PULL UP 50KOhm Port 1 over current – low active LED1 OUTPUT Additional LED 1 – low active –...

  • Page 8: System Architecture And Reference Design

    4.0 System Architecture and Reference Design 4.1 AT9322 R2 Block Diagram AT9322 Block Diagram SYSTEM ARCHITECTURE AND REFERENCE DESIGN...

  • Page 9: Sample Schematics

    4.2 Sample Schematics VCC3.3 SCAN_C1 10UF SCAN_C2 1.5K SCAN_C3 SCAN_C1 SCAN_C1 USB_DM SCAN_C4 SCAN_C2 SCAN_C2 USB_DP SCAN_C5 SCAN_C3 SCAN_C3 SCAN_C6 SCAN_C4 SCAN_C4 MODEKEYN SCAN_C7 SCAN_C5 SCAN_C5 VCC3.3 DATA- SCAN_C8 SCAN_C6 SCAN_C6 DATA+ SCAN_C7 SCAN_C7 VCC3K 0.1UF 0.1UF SCAN_C8 SCAN_C8 GNDK FGND1 0.1UF SCAN_R1...

  • Page 10: Keyboard Hub Eeprom Sample Value

    4.3. AT9322 R2 Keyboard Hub EEPROM Sample Value Offset Hex value Description 00,07 Configuration Byte 1 bit 0 : Individual power. Byte 1 bit 1 : Wakeup on any key. Byte 1 bit 2 : Select SelfPower change by HID feature.
  • Page 11 HiByte : Xfer end address + 1 3A,42 LoByte : Pointer to string descriptor (index 3) 300h ROM address HiByte : Xfer end address + 1 09,02,19,00,01,01,02,E0,32 Config Desc. 1 interface, self powered, remote wakeup, 100 mA Total bytes returned : 0x19 09,04,00,00,01,09,00,00,02 Hub interface descriptor, interface 0.
  • Page 12 12,01,10,01,00,00,00,08, Keyboard device descriptor, version 1.1, change VID,PID 8F,05,72,94,01,00,01,02, Device version 1 00,01 12 Descriptor length 01 Device Descriptor 10 01 USB Version 1.1 00 Class defined in interface descriptor 00 Sub-class 00 Device Protocol 08 Maximum packet size VV VV Vender ID –Keyboard Vender ID (058F) PP PP Product ID - Keyboard Product ID (9472) 01 00 Device release number 01 Index of Manufacturer string descriptor...
  • Page 13 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00, 05,0C,09,01,A1,01,85,01, Added Key report descriptor 09,E0,15,E8,25,18,75,07, (KB 1 interface, Added key Not Used) 95,01,81,06,15,00,25,01, 75,01,09,E2,81,06,C0,05, 01,09,80,A1,01,85,02,19, 81,29,83,15,00,25,01,75, 01,95,03,81,06,75,05,95, 01,81,01,C0,05,0C,09,01, A1,01,85,03,95,01,75,01, 15,00,25,01,0A,21,02,81, 06,0A,8A,01,81,06,09,B7, 81,06,09,CD,81,06,09,E9, 81,06,09,EA,81,06,0A,92, 01,81,06,0A,24,02,81,06, 0A,8A,01,81,06,0A,23,02, 81,06,0A,21,02,81,06,0A, 26,02,81,06,0A,27,02,81, 06,09,E2,81,06,09,00,81, 06,09,00,81,06,95,01,75, 08,81,01,05,08,09,19,75, 01,91,02,09,2A,91,02,95, 01,75,06,91,01,C0, 04,03,09,04...
  • Page 14 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00,00,00, 00,00,00,00,00,00, SYSTEM ARCHITECTURE AND REFERENCE DESIGN...

  • Page 15: Sample Key Matrix Layout Table

    4.4 Sample Key Matrix Layout Table This table is a sample key matrix. The AT9322 R2 can also mask this matrix as default without an external EEPROM. Table 4-1. Sample AT9322 R2 Key Matrix ? Left Alt-Left Japan Alt-Right Japan...

  • Page 16: Electrical Characteristics

    5.0 Electrical Characteristics 5.1 Absolute Maximum Ratings SYMBOL PARAMETER RATING UNITS Power Supply -0.3 to 6.0 Input Voltage -0.3 to VCC+0.3 Output Voltage -0.3 to VCC+0.3 Power Supply for Dual -0.6 to 6.0 Oxide Cells Power Supply for Dual -0.3 to V +0.3 Oxide Cells Output Voltage...

  • Page 17: General Dc Characteristics

    5.3 General DC Characteristics SYMBOL PARAMETER CONDITIONS MAX UNITS Input leakage current no pull-up or pull-down Tri-state leakage current 3.3 Input capacitance 3.3 Output capacitance OUT3 3.3V Bi-directional buffer BID3 capacitance 5V Input capacitance 5V Output capacitance OUT5 5V Bi-directional buffer BID5 capacitance 5.4 DC Electrical Characteristics for 5 volts operation...

  • Page 18: Dc Electrical Characteristic For 3.3 Volts Operation

    5.5 DC Electrical Characteristics for 3.3 volts operation ( Under Recommended Operating Conditions and V =3.0v ~ 3.6v , Tj = 0 C to +115 SYMBOL PARAMETER CONDITIONS UNITS Input Low Voltage CMOS 0.3*V Input High Voltage CMOS 0.7*V Schmitt trigger negative going CMOS 1.20 threshold voltage...

  • Page 19: Usb Transceiver Characteristics

    5.7 USB Transceiver Characteristics RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER CONDITIONS LIMITS UNIT DC supply voltage DC input voltage range DC input range for I/Os DC output voltage range ° Operating ambient temperature See DC and AC range in free air characteristics for individual device ABSOLUTE MAXIMUM RATINGS (Notes 1 and 2)
  • Page 20 DC ELECTRICAL CHARACTERISTICS Over recommended operating conditions. Voltages are referenced to GND (Ground=0V). LIMITS 0° 0° SYMBOL PARAMETER TEST CONDITIONS C to +85 UNIT VHYS Hysteresis on inputs Vcc=3.0V to 3.6V (Note 3) 0.3 HIGH level input Vcc=3.0V to 3.6V (Note 3) LOW level input Vcc=3.0V to 3.6V (Note 3) 0.8 Output impedance (HIGH...
  • Page 21 AC ELECTRICAL CHARACTERISTICS GND=0V, t =3.0 ns; C = 50pF, RL=500ohms LIMITS (T SYMBOL PARAMETER WAVEFORM UNIT 0° 0° 0° 0° C to +25 C to +70 MAX MIN tpLH VMO/VPO to D+/D- tpHL Full Speed trise Rise and Fall Times tfall Full Speed tRFM...
  • Page 22 ELECTRICAL CHARACTERISTICS...

  • Page 23: Esd Test Results

    5.8 ESD Test Results Test Description : ESD Testing was performed on a Zapmaster system using the Human-Body –Model (HBM) and Machine-Model (MM), according to MIL_STD 883 and EIAJ IC_121 respectively. ?? Human-Body-Model stress devices by sudden application of a high voltage supplied by a 100 PF capacitor through 1.5 Kohm resistance.

  • Page 24: Latch-Up Test Results

    5.9 Latch-Up Test Results Test Description: Latch-Up testing was performed at room ambient using an IMCS-4600 system which applies a stepped voltage to one pin per device with all other pins open except Vdd and Vss which were biased to 5 Volts and ground respectively.
  • Page 25 Icc Measurement V Supply 1 Source Untested under Output Open test D U T Circuit Untested Input Tied to V supply G N D Trigger Source Test Circuit : Negative Input/ Output Overvoltage /Overcurrent Icc Measurement V Supply Untested Output Open Circuit All Input Tied to V supply...

  • Page 26: Mechanical Information

    6.0 Mechanical Information MECHANICAL INFORMATION...

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