AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 681

• 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

6120H–ATARM–17-Feb-09
13 Reset Controller (RSTC) ........................................................................ 57
14 Real-time Timer (RTT) ............................................................................ 73
15 Periodic Interval Timer (PIT) ................................................................. 79
16 Watchdog Timer (WDT) ......................................................................... 85
17 Voltage Regulator Mode Controller (VREG) ........................................ 91
18 Memory Controller (MC) ........................................................................ 93
19 Embedded Flash Controller (EFC) ..................................................... 103
12.2
12.3
12.4
12.5
13.1
13.2
13.3
14.1
14.2
14.3
14.4
15.1
15.2
15.3
15.4
16.1
16.2
16.3
16.4
17.1
17.2
18.1
18.2
18.3
18.4
19.1
19.2
Block Diagram .................................................................................................45
Application Examples ......................................................................................46
Debug and Test Pin Description ......................................................................47
Functional Description .....................................................................................48
Block Diagram .................................................................................................57
Functional Description .....................................................................................58
Reset Controller (RSTC) User Interface ..........................................................68
Overview ..........................................................................................................73
Block Diagram .................................................................................................73
Functional Description .....................................................................................73
Real-time Timer (RTT) User Interface .............................................................75
Overview ..........................................................................................................79
Block Diagram .................................................................................................79
Functional Description .....................................................................................80
Periodic Interval Timer (PIT) User Interface ....................................................82
Overview ..........................................................................................................85
Block Diagram .................................................................................................85
Functional Description .....................................................................................86
Watchdog Timer (WDT) User Interface ...........................................................88
Overview ..........................................................................................................91
Voltage Regulator Power Controller (VREG) User Interface ...........................92
Overview ..........................................................................................................93
Block Diagram .................................................................................................93
Functional Description .....................................................................................94
Memory Controller (MC) User Interface ..........................................................98
Overview .......................................................................................................103
Functional Description ...................................................................................103
AT91SAM7X512/256/128 Preliminary
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