AT91SAM7S32-AI ATMEL [ATMEL Corporation], AT91SAM7S32-AI Datasheet - Page 431

• Manufacturer Part Number: AT91SAM7S32-AI
• Description: AT91 ARM Thumb-based Microcontrollers
• Manufacturer: ATMEL [ATMEL Corporation]

Table of Contents
6071A–ATARM–28-Oct-04
Features............................................................................................................... 1
Description .......................................................................................................... 2
Block Diagram..................................................................................................... 3
Power Considerations........................................................................................ 8
I/O Lines Considerations ................................................................................. 10
Processor and Architecture............................................................................. 11
Memories ........................................................................................................... 13
System Controller............................................................................................. 16
Peripherals ........................................................................................................ 22
Signal Description ............................................................................................ 4
Package and Pinout ......................................................................................... 7
48-lead LQFP Mechanical Overview................................................................ 7
Pinout ............................................................................................................... 7
Power Supplies ................................................................................................ 8
Power Consumption ......................................................................................... 8
Voltage Regulator ............................................................................................ 8
Typical Powering Schematics .......................................................................... 9
JTAG Port Pins .............................................................................................. 10
Test Pin .......................................................................................................... 10
Reset Pin........................................................................................................ 10
ERASE Pin ..................................................................................................... 10
PIO Controller Lines ....................................................................................... 10
I/O Line Drive Levels...................................................................................... 10
ARM7TDMI Processor ................................................................................... 11
Debug and Test Features .............................................................................. 11
Memory Controller.......................................................................................... 11
Peripheral Data Controller.............................................................................. 12
Memory Mapping ........................................................................................... 13
Embedded Flash ............................................................................................ 14
Fast Flash Programming Interface ................................................................. 15
System Controller Mapping ............................................................................ 17
Reset Controller ............................................................................................. 18
Clock Generator ............................................................................................. 19
Power Management Controller ...................................................................... 20
Advanced Interrupt Controller ........................................................................ 20
Debug Unit ..................................................................................................... 21
Periodic Interval Timer ................................................................................... 21
Watchdog Timer............................................................................................. 21
Real-time Timer.............................................................................................. 21
PIO Controller ................................................................................................ 21
Voltage Regulator Controller.......................................................................... 21
Peripheral Mapping ........................................................................................ 22
Peripheral Multiplexing on PIO Lines ............................................................. 23
Peripheral Identifiers ...................................................................................... 24
Serial Peripheral Interface.............................................................................. 24
Two-wire Interface.......................................................................................... 25
AT91SAM7S32 Preliminary
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