AT91SAM7S256C-MU Atmel, AT91SAM7S256C-MU Datasheet - Page 776

• Manufacturer Part Number: AT91SAM7S256C-MU
• Description: IC ARM7 MCU 32BIT 256K 64-QFN
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S256C-MU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 32
• 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: 64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
• Processor Series: AT91
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 64 KB
• Interface Type: SPI, TWI, USART, USB
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 5
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• For Use With: AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: AT91SAM7S256-MU; AT91SAM7S256-MU

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AT91SAM7S Series Preliminary
30 Two Wire Interface (TWI) AT91SAM7S161/16 .................................... 315
31 Universal Synchronous Asynchronous Receiver Transceiver
32 Synchronous Serial Controller (SSC) ................................................ 405
33 Timer Counter (TC) .............................................................................. 443
(USART) ................................................................................................ 355
29.4
29.5
29.6
29.7
30.1
30.2
30.3
30.4
30.5
30.6
30.7
30.8
30.9
30.10
31.1
31.2
31.3
31.4
31.5
31.6
31.7
32.1
32.2
32.3
32.4
32.5
32.6
32.7
32.8
Application Block Diagram .............................................................................292
Product Dependencies ..................................................................................292
Functional Description ...................................................................................293
Two-wire Interface (TWI) User Interface .......................................................305
Overview ........................................................................................................315
List of Abbreviations ......................................................................................315
Block Diagram ...............................................................................................316
Application Block Diagram .............................................................................316
Product Dependencies ..................................................................................317
Functional Description ...................................................................................317
Master Mode ..................................................................................................319
Multi-master Mode .........................................................................................330
Slave Mode ....................................................................................................333
Two-wire Interface (TWI) User Interface .......................................................341
Overview ........................................................................................................355
Block Diagram ...............................................................................................356
Application Block Diagram .............................................................................357
I/O Lines Description ....................................................................................358
Product Dependencies ..................................................................................359
Functional Description ...................................................................................360
Universal Synchronous Asynchronous Receiver Transmitter (USART)
User Interface ................................................................................................385
Description .....................................................................................................405
Block Diagram ...............................................................................................406
Application Block Diagram .............................................................................406
Pin Name List ................................................................................................407
Product Dependencies ..................................................................................407
Functional Description ...................................................................................407
SSC Application Examples ............................................................................419
Syncrhronous Serial Controller (SSC) User Interface ...................................421
6175K–ATARM–30-Aug-10