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AT91SAM9G20 CPU Board, Samtec Connector, MicroUSB, UART, 256MB US$115.00

C9G2
AT91SAM9G20 CPU Board, Samtec Connector, MicroUSB, UART, 256MB

The Embest MBC-SAM9G20 Core Board, measuring only 45 52 mm, is a processor board providing low power consumption but high performance. It is contains an Atmel AT91SAM9G20 processor that has an ARM926EJ-S core, 64KB ROM and 16KB SRAM on chip. The board also features a Micro-USB port, a Debug UART port, a 5V power port and comprehensive external memories: 4MB DataFlash, 256MB NandFlash, 64KB EEPROM and 64MB SDRAM. It is so tiny that it can reduce the size of your products.

Part of its space saving is achieved through its extension interface to a motherboard. This CPU module has a Samtec QSH-060-01-L-D-A connector for attaching to a system, providing 120 pins in a compact form factor. The matching connector that your system must have is the QTH-060-01-L-D-A.

Before designing your own motherboard, you might consider purchasing the M9G2, which includes this CPU module and a motherboard with all the CPU interfaces made available for immediate testing.

The CPU module comes with Linux 2.6 pre-installed. A CD-ROM is provided with WinCE6.0 BSP which you can install optionally. Source code of both Linux and WinCE packages and drivers are included as well.

AT91SAM9G20 CPU Board Features

  • Processor: Atmel AT91SAM9G20 (ARM926EJ-S Core), 400 MHz, 32 KBytes Data Cache, 32 KBytes Instruction Cache with MMU, 64KB ROM, 16KB SRAM
  • External memory: 4MB DataFlash, 256MB NandFlash, 64KB EEPROM and 64MB SDRAM
  • Micro-USB connector
  • One UART Serial Port (TTL level)
  • Embedded OS: Pre-installed Linux2.6; also supports WinCE6.0
  • Power supply: 5V (via on-board JST connector, or from motherboard)
  • Temperature range: -10 to +70 C
  • PCB layers: 8
  • Dimensions: 45 52 11 mm
  • Interface type: QSH-060-01-L-D-A, 120 pins, 0.5mm pin spacing

AT91SAM9G20 CPU Board Configuration Jumper Settings

Every jumper is closed by default.

Name /
Description
State Function
JP1
VDDBU Power
Closed From +3V
Open From VDDBU connection to motherboard
JP2
Chip Select
Closed Enable the Data Flash CS (U5)
Open Disable the Data Flash CS (U5)
JP3
Chip Select
Closed Enable the Nand Flash CS (U4)
Open Disable the Nand Flash CS (U4)
JP4
Core Power
Closed From +5V External Power Adapter
Open From +5V Connection to Motherboard

AT91SAM9G20 CPU Board Connectors

J1 5V Power Input, 2.5mm Low Profile Wafer Connector

Pin Definition
1 5V
2 GND

J2 Extension Interface, QSH-060-01-L-D-A Connector

Pin Definition Pin Definition
2 5V 1 5V
4 GND 3 PA12/ETX0
6 HDMA 5 PA13/ETX1
8 HDPA 7 PA14/ERX0
10 GND 9 PA15/ERX1
12 HDMB 11 PA16/ETXEN
14 HDPB 13 PA17/ERXDV
16 GND 15 PA18/ERXER
18 PC1/AD1/PCK0 17 PA19/ETXCK
20 PB17/TCLK4/TF0 19 PA20/EMDC
22 PB16/TCLK3/TK0 21 PA21/EMDIO
24 PB18/TIOB4/TD0 23 PC4/A23/SPI1_NPCS2
26 PB19/TTIOB5/RD0 25 PB15/DTXD
28 PB20/ISI_D0/RK0 27 PB14/DRXD
30 PB21/ISI_D1/RF0 29 GND
32 PA23/ETX2/TWD 31 PA0/MCDB0/SPI0_MISO
34 PA24/ETX3/TWCK 33 PA1/MCCDB/SPI0_MOSI
36 NRST 35 PA2/SPI0_SPCK
38 NTRST 37 PA3/MCDB3/SPI0_NPCS0
40 TCK 39 NC
42 TDO 41 NC
44 RTCK 43 NC
46 TDI 45 NC
48 TMS 47 NC
50 PB4/TXD0 49 PC8/NCS4_CFCS0/RTS3
52 PB5/RXD0 51 PC10/A25_CFRNW/CTS3
54 PB6/TCLK1/TXD1 53 PA31/SCK0/TXD4
56 PB7/PTCLK2/RXD1 55 PA30/SCK2/RXD4
58 PB8/TXD2 57 PA4/MCDB2/RTS2
60 PB9/RXD2 59 PA5/MCDB1/CTS2
62 SHDN 61 PA29/ECOL/SCK1
64 WKUP 63 PA27/ERXCK/TIOA1
66 PB0/TIOA3/SPI1_MISO 65 PC7/CFCE2/TIOB1
68 PB1/TIOB3/SPI1_MOSI 67 PA28/ECRS/TIOA2
70 PB2/TIOA4/SPI1_SPCK 69 PC6/CFCE1/TIOB2
72 PB3/TIOA5/SPI1_NPCS0 71 NC
74 PA25/ERX2/TCLK0 73 NC
76 PC9/NCS5_CFCS1/TIOB0 75 PC5/A24/SPI1_NPCS1
78 PA26/ERX3/TIOA0 77 NC
80 PC12/NCS7/IRQ0 79 NC
82 VDDBU 81 NC
84 GND 83 PA22/ETXER/ADTRG
86 PB28/RTS1/ISI_PCK 85 GND
88 PB29/CTS1/ISI_VSYNC 87 PC0/SCK3/AD0
90 PB30/PCK0/ISI_HSYNC 89 PC2/PCK1/AD2
92 PB31/PCK1/ISI_MCK 91 PC3/SPI1_NPCS3/AD3
94 PB20/RK0/ISI_D0 93 NC
96 PB21/RF0/ISI_D1 95 GND
98 PB22/DSR0/ISI_D2 97 NC
100 PB23/DCD0/ISI_D3 99 NC
102 PB24/DTR0/ISI_D4 101 NC
104 PB25/RI0/ISI_D5 103 NC
106 PB26/RTS0/ISI_D6 105 GND
108 PB27/CTS0/ISI_D7 107 PA8/MCCK
110 PB10/TXD3/ISI_D8 109 PA7/MCCDA
112 PB11/RXD3/ISI_D9 111 PA6/MCDA0
114 PB12/TXD5/ISI_D10 113 PA9/MCDA1
116 PB13/RXD5/ISI_D11 115 PA10/ETX2/MCDA2
118 GND 117 PA11/ETX3/MCDA3
120 5V 119 5V

J3 Micro USB

Pin Definition
1 5V
2 D-
3 D+
4 ID
5 GND

J4 UART (Serial Debug Port), 1.25mm Pitch 90 Wafer SMT Connector

Pin Definition
1 3.3V
2 DTXD
3 DRXD
4 GND

Ships from: China
Lead time: 1 week


Optional Recommended Products for this Item
Samtec QTH-060-01-L-D-A Connector, 120 Pins (2x30 + 2x30), 0.5mm+ US$9.00

This product was added to our catalog on Wednesday 02 March, 2011.

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