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PIC12CE673 bảng dữ liệu(PDF) 40 Page - Microchip Technology

tên linh kiện PIC12CE673
Giải thích chi tiết về linh kiện  8-Pin, 8-Bit CMOS Microcontroller with A/D Converter and EEPROM Data Memory
PDF  130 Pages
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nhà sản xuất  MICROCHIP [Microchip Technology]
Trang chủ  http://www.microchip.com
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PIC12CE673 bảng dữ liệu(HTML) 40 Page - Microchip Technology

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PIC12C67X
DS30561C-page 40
 1997-2013 Microchip Technology Inc.
FIGURE 7-3:
TIMER0 TIMING: INTERNAL CLOCK/PRESCALE 1:2
FIGURE 7-4:
TIMER0 INTERRUPT TIMING
PC-1
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
PC
(Program
Counter)
Instruction
Fetch
TMR0
PC
PC+1
PC+2
PC+3
PC+4
PC+5
PC+6
T0
NT0+1
MOVWF TMR0 MOVF TMR0,WMOVF TMR0,WMOVF TMR0,WMOVF TMR0,WMOVF TMR0,W
Write TMR0
executed
Read TMR0
reads NT0
Read TMR0
reads NT0
Read TMR0
reads NT0
Read TMR0
reads NT0
Read TMR0
reads NT0 + 1
T0+1
NT0
Instruction
Execute
Q2
Q1
Q3
Q4
Q2
Q1
Q3
Q4
Q2
Q1
Q3
Q4
Q2
Q1
Q3
Q4
Q2
Q1
Q3
Q4
1
1
OSC1
CLKOUT(3)
Timer0
T0IF bit
(INTCON<2>)
FEh
GIE bit
(INTCON<7>)
INSTRUCTION
PC
Instruction
fetched
PC
PC +1
PC +1
0004h
0005h
Instruction
executed
Inst (PC)
Inst (PC-1)
Inst (PC+1)
Inst (PC)
Inst (0004h)
Inst (0005h)
Inst (0004h)
Dummy cycle
Dummy cycle
FFh
00h
01h
02h
FLOW
Interrupt Latency(2)
Note 1:
Interrupt flag bit T0IF is sampled here (every Q1).
2:
Interrupt latency = 3TCY where TCY = instruction cycle time.
3:
CLKOUT is available only in the INTRC and EXTRC oscillator modes.



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