AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 772

• 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

30 Two Wire Interface (TWI) SAM7S161/16 ............................................. 319
31 Universal Synchronous Asynchronous Receiver Transceiver (USART) 359
32 Synchronous Serial Controller (SSC) ................................................. 409
33 Timer Counter (TC) ............................................................................... 447
29.7Two-wire Interface (TWI) User Interface .............................................................309
30.1Overview ..............................................................................................................319
30.2List of Abbreviations ............................................................................................319
30.3Block Diagram .....................................................................................................320
30.4Application Block Diagram ...................................................................................320
30.5Product Dependencies ........................................................................................320
30.6Functional Description .........................................................................................321
30.7Master Mode ........................................................................................................323
30.8Multi-master Mode ...............................................................................................334
30.9Slave Mode ..........................................................................................................337
30.10Two-wire Interface (TWI) User Interface ...........................................................345
31.1Overview ..............................................................................................................359
31.2Block Diagram .....................................................................................................360
31.3Application Block Diagram ...................................................................................361
31.4I/O Lines Description ..........................................................................................362
31.5Product Dependencies ........................................................................................363
31.6Functional Description .........................................................................................364
31.7Universal Synchronous Asynchronous Receiver Transmitter (USART) User Interface 388
32.1Description ...........................................................................................................409
32.2Block Diagram .....................................................................................................409
32.3Application Block Diagram ...................................................................................410
32.4Pin Name List ......................................................................................................410
32.5Product Dependencies ........................................................................................410
32.6Functional Description .........................................................................................410
32.7SSC Application Examples ..................................................................................420
32.8Syncrhronous Serial Controller (SSC) User Interface .........................................423
33.1Overview ..............................................................................................................447
33.2Block Diagram .....................................................................................................448
33.3Pin Name List ......................................................................................................449
33.4Product Dependencies ........................................................................................449
33.5Functional Description .........................................................................................450
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
772