PIC17C752 MICROCHIP [Microchip Technology], PIC17C752 Datasheet - Page 105

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PIC17C752

Manufacturer Part Number
PIC17C752
Description
High-Performance 8-Bit CMOS EPROM Microcontrollers
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet

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FIGURE 13-11: TIMER1, TIMER2, AND TIMER3 OPERATION (IN TIMER MODE)
1997 Microchip Technology Inc.
WR_TCON2
AD15:AD0
WR_TMR1
RD_TMR1
Instruction
fetched
TMR1IF
TMR1ON
TMR1
ALE
PR1
Q1Q2 Q3 Q4 Q1Q2 Q3 Q4 Q1Q2 Q3 Q4 Q1Q2 Q3 Q4 Q1Q2 Q3 Q4 Q1Q2 Q3 Q4 Q1Q2 Q3 Q4 Q1Q2 Q3 Q4 Q1Q2 Q3 Q4 Q1Q2 Q3 Q4 Q1Q2 Q3 Q4
Write TMR1
MOVWF
TMR1
04h
Read TMR1
TMR1, W
MOVF
05h
Read TMR1
TMR1
reads 03h
TMR1, W
MOVF
03h
TMR1
reads 04h
MOVLB
04h
3
Preliminary
Stop TMR1
TCON2, 0
BSF
05h
NOP
06h
Start TMR1
TCON2, 0
BCF
NOP
07h
NOP
DS30264A-page 105
NOP
08h
NOP
00h

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