參數(shù)資料
型號: PIC12C67X
廠商: Microchip Technology Inc.
英文描述: 8-Pin, 8-Bit CMOS Microcontroller with A/D Converter and EEPROM Data Memory
中文描述: 8引腳,8位CMOS微控制器與A / D轉(zhuǎn)換器和EEPROM數(shù)據(jù)存儲器
文件頁數(shù): 63/129頁
文件大小: 931K
代理商: PIC12C67X
1999 Microchip Technology Inc.
DS30561B-page 63
PIC12C67X
FIGURE 9-14: INT PIN INTERRUPT TIMING
Q2
Q1
Q3
Q4
Q2
Q1
Q3
Q4
Q2
Q1
Q3
Q4
Q2
Q1
Q3
Q4
Q2
Q1
Q3
Q4
OSC1
CLKOUT
INT pin
INTF flag
(INTCON<1>)
GIE bit
(INTCON<7>)
INSTRUCTION FLOW
PC
Instruction
fetched
Instruction
executed
Interrupt Latency
PC
PC+1
PC+1
0004h
0005h
Inst (0004h)
Inst (0005h)
Dummy Cycle
Inst (PC)
Inst (PC+1)
Inst (PC-1)
Inst (0004h)
Dummy Cycle
Inst (PC)
1
4
5
1
Note 1:
INTF flag is sampled here (every Q1).
2
: Interrupt latency = 3-4 T
CY
where T
CY
= instruction cycle time.
Latency is the same whether Inst (PC) is a single cycle or a 2-cycle instruction.
3:
CLKOUT is available only in INTRC and EXTRC oscillator modes.
4
: For minimum width of INT pulse, refer to AC specs.
5:
INTF is enabled to be set anytime during the Q4-Q1 cycles.
2
3
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