参数资料
型号: TSPC603RVGSB/Q14LC
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 300 MHz, RISC PROCESSOR, CBGA255
封装: 21 X 21 MM, 3.84 MM HEIGHT, 1.27 MM PITCH, CERAMIC, CI-CGA-255
文件页数: 20/132页
文件大小: 10886K
代理商: TSPC603RVGSB/Q14LC
19
7593L–AVR–09/12
AT90USB64/128
5.8.1
Interrupt response time
The interrupt execution response for all the enabled AVR interrupts is five clock cycles minimum.
After five clock cycles the program vector address for the actual interrupt handling routine is exe-
cuted. During these five clock cycle period, the Program Counter is pushed onto the Stack. The
vector is normally a jump to the interrupt routine, and this jump takes three clock cycles. If an
interrupt occurs during execution of a multi-cycle instruction, this instruction is completed before
the interrupt is served. If an interrupt occurs when the MCU is in sleep mode, the interrupt exe-
cution response time is increased by five clock cycles. This increase comes in addition to the
start-up time from the selected sleep mode.
A return from an interrupt handling routine takes five clock cycles. During these five clock cycles,
the Program Counter (two bytes) is popped back from the Stack, the Stack Pointer is incre-
mented by two, and the I-bit in SREG is set.
Assembly code example
sei
; set Global Interrupt Enable
sleep
; enter sleep, waiting for interrupt
; note: will enter sleep before any pending
; interrupt(s)
C code example
__enable_interrupt(); /* set Global Interrupt Enable */
__sleep(); /* enter sleep, waiting for interrupt */
/* note: will enter sleep before any pending interrupt(s) */
相关PDF资料
PDF描述
TSXPC603RVGB/Q14LC 32-BIT, 300 MHz, RISC PROCESSOR, CBGA255
TS80C31X2-LJER 8-BIT, 30 MHz, MICROCONTROLLER, PQFP44
TS80C32X2-ELCR 8-BIT, MICROCONTROLLER, PQFP44
TS80C31X2-VJBB 8-BIT, 40 MHz, MICROCONTROLLER, PQCC44
TSC80C31-16KAD 8-BIT, 16 MHz, MICROCONTROLLER, PDIP40
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