SAM7S256_14 Datasheet, PDF (768/775 Pages) ATMEL Corporation – ARM-based Flash MCU

8.5SAM7S321/32 .........................................................................................................19
8.6SAM7S161/16 .........................................................................................................19
8.7Memory Mapping .....................................................................................................21
8.8Embedded Flash .....................................................................................................22
8.9Fast Flash Programming Interface ..........................................................................25
8.10SAM-BA Boot Assistant .........................................................................................25
9 System Controller .................................................................................. 25
9.1Reset Controller .......................................................................................................28
9.2Clock Generator ......................................................................................................29
9.3Power Management Controller ................................................................................29
9.4Advanced Interrupt Controller ..................................................................................30
9.5Debug Unit ...............................................................................................................31
9.6Periodic Interval Timer .............................................................................................31
9.7Watchdog Timer ......................................................................................................31
9.8Real-time Timer .......................................................................................................32
9.9PIO Controller ..........................................................................................................32
9.10Voltage Regulator Controller .................................................................................32
10 Peripherals .............................................................................................. 33
10.1User Interface ........................................................................................................33
10.2Peripheral Identifiers ..............................................................................................33
10.3Peripheral Multiplexing on PIO Lines ....................................................................34
10.4PIO Controller A Multiplexing ................................................................................35
10.5Serial Peripheral Interface .....................................................................................37
10.6Two-wire Interface .................................................................................................37
10.7USART ..................................................................................................................37
10.8Serial Synchronous Controller ...............................................................................38
10.9Timer Counter ........................................................................................................38
10.10PWM Controller ...................................................................................................38
10.11USB Device Port (Does not pertain to SAM7S32/16) ..........................................39
10.12Analog-to-digital Converter ..................................................................................39
11 ARM7TDMI Processor Overview ........................................................... 41
11.1Overview ................................................................................................................41
11.2ARM7TDMI Processor ...........................................................................................42
12 Debug and Test Features ...................................................................... 47
12.1Description .............................................................................................................47
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
768