AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 680

• Manufacturer Part Number: AT91SAM7X128
• Description: MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
• Manufacturer: Atmel

Specifications of AT91SAM7X128

• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Ram Size: 32 KB
• Program Memory Size: 128 KB
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

ii
AT91SAM7X512/256/128 Preliminary
9
10 Peripherals ............................................................................................. 31
11 ARM7TDMI Processor Overview .......................................................... 39
12 Debug and Test Features ...................................................................... 45
System Controller .................................................................................. 24
8.5
8.6
8.7
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
9.10
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
10.10
10.11
10.12
10.13
10.14
10.15
11.1
11.2
12.1
Embedded Flash .............................................................................................20
Fast Flash Programming Interface ..................................................................22
SAM-BA Boot Assistant ...................................................................................22
Reset Controller ...............................................................................................26
Clock Generator ..............................................................................................27
Power Management Controller ........................................................................28
Advanced Interrupt Controller ..........................................................................28
Debug Unit .......................................................................................................29
Periodic Interval Timer .....................................................................................29
Watchdog Timer ..............................................................................................29
Real-time Timer ...............................................................................................30
PIO Controllers ................................................................................................30
Voltage Regulator Controller ...........................................................................30
User Interface ..................................................................................................31
Peripheral Identifiers ........................................................................................31
Peripheral Multiplexing on PIO Lines ..............................................................32
PIO Controller A Multiplexing ..........................................................................33
PIO Controller B Multiplexing ..........................................................................34
Ethernet MAC ..................................................................................................35
Serial Peripheral Interface ...............................................................................35
Two-wire Interface ...........................................................................................35
USART ............................................................................................................36
Serial Synchronous Controller .........................................................................36
Timer Counter ..................................................................................................36
Pulse Width Modulation Controller ..................................................................37
USB Device Port ..............................................................................................37
CAN Controller ................................................................................................38
Analog-to-Digital Converter .............................................................................38
Overview ..........................................................................................................39
ARM7TDMI Processor .....................................................................................40
Description .......................................................................................................45
6120H–ATARM–17-Feb-09