AT91SAM7A1-AU Atmel, AT91SAM7A1-AU Datasheet - Page 386

• Manufacturer Part Number: AT91SAM7A1-AU
• Description: IC ARM7 MCU 32BIT ROMLESS144LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7A1-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 40MHz
• Connectivity: CAN, EBI/EMI, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 49
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• For Use With: AT91SAM7A1-EK - BOARD EVAL FOR AT91SAM7A1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

iv
AT91SAM7A1
23 Unified Parallel I/O Controller (UPIO) .....................................254
24 Power Management Controller (PMC) ....................................265
25 Controller Area Network (CAN) ...............................................269
26 General-purpose Timer (GPT) .................................................315
22.6 Serial Peripheral Interface (SPI) Memory Map ................................... 229
22.7 Timing Diagrams ................................................................................ 253
23.1 Description .......................................................................................... 254
23.2 Output Selection ................................................................................. 254
23.3 I/O Levels ........................................................................................... 254
23.4 Interrupts ............................................................................................ 254
23.5 User Interface ..................................................................................... 254
23.6 Open Drain/Push-pull Output .............................................................254
23.7 Unified Parallel I/O Controller (UPIO) Memory Map ........................... 256
24.1 Description .......................................................................................... 265
24.2 Power Management Controller (PMC) Memory Map ......................... 266
25.1 Description .......................................................................................... 269
25.2 Basic Concepts ................................................................................... 269
25.3 Channel Overview .............................................................................. 273
25.4 Message Transfer ............................................................................... 274
25.5 Message Filtering ............................................................................... 283
25.6 Message Validation ............................................................................ 283
25.7 Coding ................................................................................................ 283
25.8 Error Handling .................................................................................... 283
25.9 Fault Confinement .............................................................................. 284
25.10 Oscillator Tolerance ..........................................................................286
25.11 Bit Timing Requirements .................................................................. 286
25.12 Reception Mode ............................................................................... 290
25.13 Time Stamp ...................................................................................... 290
25.14 Power Management ......................................................................... 290
25.15 Example of Use ................................................................................ 290
25.16 Controller Area Network (CAN) Memory Map .................................. 292
26.1 Description .......................................................................................... 315
26.2 Pin Description ................................................................................... 317
26.3 Clock Sources .................................................................................... 317
26.4 16-bit Counter ..................................................................................... 318
6048B–ATARM–29-Jun-06