AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 628

• Manufacturer Part Number: AT91SAM7X128
• Description: MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
• Manufacturer: Atmel

Specifications of AT91SAM7X128

• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Ram Size: 32 KB
• Program Memory Size: 128 KB
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

38.8.3
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AT91SAM7X512/256/128 Preliminary
SPI Characteristics
Figure 38-4. SPI Master mode with (CPOL = NCPHA = 0) or (CPOL= NCPHA= 1)
Figure 38-5. SPI Master mode with (CPOL=0 and NCPHA=1) or (CPOL=1 and NCPHA=0)
Figure 38-6. SPI Slave mode with (CPOL=0 and NCPHA=1) or (CPOL=1 and NCPHA=0)
SPCK
MISO
MOSI
SPCK
SPCK
MISO
MISO
MOSI
MOSI
SPI
2
SPI
SPI
6
5
SPI
SPI
0
7
SPI
SPI
SPI
3
1
8
SPI
4
6120H–ATARM–17-Feb-09