AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 682

• 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

iv
AT91SAM7X512/256/128 Preliminary
20 Fast Flash Programming Interface (FFPI) .......................................... 119
21 AT91SAM Boot Program ..................................................................... 135
22 Peripheral DMA Controller (PDC) ....................................................... 141
23 Advanced Interrupt Controller (AIC) .................................................. 151
24 Clock Generator ................................................................................... 177
25 Power Management Controller (PMC) ................................................ 181
19.3
20.1
20.2
20.3
21.1
21.2
21.3
21.4
21.5
22.1
22.2
22.3
22.4
23.1
23.2
23.3
23.4
23.5
23.6
23.7
23.8
24.1
24.2
24.3
24.4
25.1
25.2
25.3
Embedded Flash Controller (EFC ) User Interface ........................................113
Overview ........................................................................................................119
Parallel Fast Flash Programming ..................................................................119
Serial Fast Flash Programming .....................................................................128
Overview ........................................................................................................135
Flow Diagram ................................................................................................135
Device Initialization ........................................................................................135
SAM-BA Boot ................................................................................................136
Hardware and Software Constraints ..............................................................140
Overview ........................................................................................................141
Block Diagram ...............................................................................................141
Functional Description ...................................................................................142
Peripheral DMA Controller (PDC) User Interface ..........................................144
Overview ........................................................................................................151
Block Diagram ...............................................................................................151
Application Block Diagram .............................................................................152
AIC Detailed Block Diagram ..........................................................................152
I/O Line Description .......................................................................................152
Product Dependencies ..................................................................................153
Functional Description ...................................................................................154
Advanced Interrupt Controller (AIC) User Interface .......................................166
Overview ........................................................................................................177
Slow Clock RC Oscillator ...............................................................................177
Main Oscillator ...............................................................................................177
Divider and PLL Block ...................................................................................179
Description .....................................................................................................181
Master Clock Controller .................................................................................181
Processor Clock Controller ............................................................................182
6120H–ATARM–17-Feb-09