AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 281

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

Specifications of AT91SAM7S256D-AU

• Rohs: yes
• Core: ARM
• Processor Series: AT91SAM
• Data Bus Width: 16 bit/32 bit
• Maximum Clock Frequency: 55 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LQFP-64
• Mounting Style: SMD/SMT
• Interface Type: 2-Wire, I2S, SPI, USART
• Length: 7 mm

28.7
Table 28-3.
0x004C - 0x00FC
0x004C - 0x00F8
0x100 - 0x124
0x20 - 0x2C
Offset
0x0C
0x1C
0x3C
0x00
0x04
0x08
0x10
0x14
0x18
0x30
0x34
0x38
Serial Peripheral Interface (SPI) User Interface User Interface
Register Mapping
Register
Control Register
Mode Register
Receive Data Register
Transmit Data Register
Status Register
Interrupt Enable Register
Interrupt Disable Register
Interrupt Mask Register
Reserved
Chip Select Register 0
Chip Select Register 1
Chip Select Register 2
Chip Select Register 3
Reserved
Reserved
Reserved for the PDC
SPI_CSR0
SPI_CSR1
SPI_CSR2
SPI_CSR3
SPI_RDR
SPI_TDR
SPI_IMR
SPI_IDR
SPI_MR
SPI_IER
SPI_CR
SPI_SR
Name
–
–
SAM7S Series [DATASHEET]
Read-write
Read-write
Read-write
Read-write
Read-write
Write-only
Read-only
Read-only
Read-only
Write-only
Write-only
Write-only
Access
–
–
6175M–ATARM–26-Oct-12
0x000000F0
Reset
0x0
0x0
0x0
0x0
0x0
0x0
0x0
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