AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 157

• 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

23.7.2.2
23.7.2.3
23.7.2.4
6120H–ATARM–17-Feb-09
External Interrupt Level Sensitive Source
Internal Interrupt Edge Triggered Source
Internal Interrupt Level Sensitive Source
Figure 23-7.
Figure 23-8.
Figure 23-9.
External Interrupt Level Sensitive Source
Internal Interrupt Edge Triggered Source
Internal Interrupt Level Sensitive Source
(High Level)
(Low Level)
IRQ or FIQ
IRQ or FIQ
nIRQ
nFIQ
MCK
nIRQ
MCK
nIRQ
MCK
AT91SAM7X512/256/128 Preliminary
Peripheral Interrupt
Peripheral Interrupt
Becomes Active
Becomes Active
Maximum IRQ Latency = 4.5 Cycles
Maximum IRQ Latency = 3.5 Cycles
Latency = 3 Cycles
Latency = 3 cycles
Maximum IRQ
Maximum FIQ
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