SAM7-P256 Olimex Ltd., SAM7-P256 Datasheet - Page 12

• Manufacturer Part Number: SAM7-P256
• Description: MCU, MPU & DSP Development Tools DEV BRD FOR AT91SAM7S56
• Manufacturer: Olimex Ltd.

Specifications of SAM7-P256

• Processor To Be Evaluated: AT91SAM7S256 ARM7TDMI-S
• Data Bus Width: 16 bit, 32 bit
• Interface Type: RS-232, USB, JTAG, SPI, TWI, UART
• Dimensions: 120 mm x 80 mm
• Operating Supply Voltage: 6 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: ARM7TDMI
• Silicon Core Number: AT91S
• Silicon Family Name: AT91SAM7xxxx
• Kit Contents: Board
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1701511 25R5021

Description for programming via RS232_0/D COM port, when is SAM-
BA software
being able to use SAM-BA, a recovery procedure, which consists of copying the SAM-BA Boot
Assistant into Flash must be performed as follows:
1.
2.
3.
4.
5.
6.
7.
TXD0/DTXD, according to jumpers description above.
INPUT/OUTPUT:
The AT91SAM7S256 can be programmed via COM port using the SAM-BA
Note: For programming via COM port, you must set jumpers RXD0/DRXD and
Power down the AT91SAM7S256
Close jumper TST
Power up the AT91SAM7S256
Wait 10 sec
Power down the AT91SAM7S256
Remove jumper TST
Power up the AT91SAM7S256
Status Led (green) with name GREEN connected via jumper LED1 to
AT91SAM7S256 pin 10 (PA18/RD/PCK2/AD1).
Status Led (yellow) with name YELLOW connected via jumper LED2 to
AT91SAM7S256 pin 9 (PPA17/TD/PCK1/AD0).
Power-on LED (red) with name PWR_LED – this LED shows that +3.3V is applied
to the board.
User button with name B1 connected to AT91SAM7S256 pin 13
(PA19/RK/FIQ/AD2).
User button with name B2 connected to AT91SAM7S256 pin 16
(PA20/RF/IRQ0/AD3).
User button with name RESET connected to AT91SAM7S256 pin 39 (NRST).
Trimpot with name AN_TR connected to AT91SAM7S256 pin 3 (AD4).
Thermistor with name TH1 connected to AT91SAM7S256 pin 4 (AD5).
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software. Before