AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 261

• 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

28.6.3.1
6120H–ATARM–17-Feb-09
Master Mode Block Diagram
Figure 28-5. Master Mode Block Diagram
NPCS0
MISO
MCK
SPI_MR
SPI_TDR
PCS
PCS
MSTR
AT91SAM7X512/256/128 Preliminary
SPI_CSR0..3
SPI_CSR0..3
PS
LSB
Baud Rate Generator
0
1
NCPHA
CPOL
BITS
SCBR
PCSDEC
SPI_CSR0..3
Shift Register
CSAAT
Clock
SPI
SPI_RDR
SPI_TDR
Peripheral
Current
MODFDIS
RD
TD
SPI_RDR
MSB
OVRES
PCS
RDRF
TDRE
MODF
NPCS3
NPCS2
NPCS1
NPCS0
SPCK
MOSI
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