AT91SAM7X256B-AU Atmel, AT91SAM7X256B-AU Datasheet - Page 684

• Manufacturer Part Number: AT91SAM7X256B-AU
• Description: IC MCU 256KB FLASH 100LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7X256B-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 62
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Controller Family/series: AT91SAM7xxxxx
• No. Of I/o's: 62
• Ram Memory Size: 64KB
• Cpu Speed: 55MHz
• No. Of Timers: 1
• Rohs Compliant: Yes
• Cpu Family: 91S
• Device Core Size: 32b
• Frequency (max): 55MHz
• Total Internal Ram Size: 64KB
• # I/os (max): 62
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Supply Voltage (max): 1.95/3.6V
• Operating Supply Voltage (min): 1.65/3V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Compliant

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AT91SAM7X512/256/128 Preliminary
30 Universal Synchronous Asynchronous Receiver Transceiver
31 Synchronous Serial Controller (SSC) ................................................ 351
32 Timer Counter (TC) .............................................................................. 389
33 Pulse Width Modulation Controller (PWM) ........................................ 423
34 USB Device Port (UDP) ........................................................................ 447
(USART) ................................................................................................ 303
30.1
30.2
30.3
30.4
30.5
30.6
30.7
31.1
31.2
31.3
31.4
31.5
31.6
31.7
31.8
32.1
32.2
32.3
32.4
32.5
32.6
33.1
33.2
33.3
33.4
33.5
33.6
34.1
Overview ........................................................................................................303
Block Diagram ...............................................................................................304
Application Block Diagram .............................................................................305
I/O Lines Description ....................................................................................305
Product Dependencies ..................................................................................306
Functional Description ...................................................................................307
Universal Synchronous Asynchronous Receiver Transeiver
(USART) User Interface ...............................................................................332
Overview ........................................................................................................351
Block Diagram ...............................................................................................352
Application Block Diagram .............................................................................352
Pin Name List ................................................................................................353
Product Dependencies ..................................................................................353
Functional Description ...................................................................................353
SSC Application Examples ............................................................................364
Synchronous Serial Controller (SSC) User Interface ....................................366
Overview ........................................................................................................389
Block Diagram ...............................................................................................390
Pin Name List ................................................................................................391
Product Dependencies ..................................................................................391
Functional Description ...................................................................................392
Timer Counter (TC) User Interface ................................................................405
Overview ........................................................................................................423
Block Diagram ...............................................................................................423
I/O Lines Description .....................................................................................424
Product Dependencies ..................................................................................424
Functional Description ...................................................................................424
Pulse Width Modulation Controller (PWM) User Interface ............................433
Overview ........................................................................................................447
6120H–ATARM–17-Feb-09