AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 75

• 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

14.4
Table 14-1.
Offset
0x00
0x04
0x08
0x0C
Real-time Timer (RTT) User Interface
Register Mapping
Register
Mode Register
Alarm Register
Value Register
Status Register
RTT_MR
RTT_VR
RTT_SR
RTT_AR
Name
SAM7S Series [DATASHEET]
Read-write
Read-write
Read-only
Read-only
Access
6175M–ATARM–26-Oct-12
0xFFFF_FFFF
0x0000_8000
0x0000_0000
0x0000_0000
Reset
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