AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 142

• 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

20.3.4.8
20.3.4.9
This command is used to perform a write access to any memory location.
The Memory Write command (WRAM) is optimized for consecutive writes. An internal address buffer is automati-
cally increased.
Table 20-31. Write Command
The Get Version (GVE) command retrieves the version of the FFPI interface.
Table 20-32. Get Version Command
Read/Write
Write
Write
Write
Write
Write
Write
Read/Write
Write
Read
Memory Write Command
Get Version Command
DR Data
(Number of Words to Write) << 16 | (WRAM)
Address
Memory [address]
Memory [address+4]
Memory [address+8]
Memory [address+(Number of Words to Write - 1)* 4]
DR Data
GVE
Version
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
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