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PIC16F684-E/ST Datasheet(PDF) 56 Page - Microchip Technology

Part # PIC16F684-E/ST
Description  14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology
PDF  164 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F684-E/ST Datasheet(HTML) 56 Page - Microchip Technology

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PIC16F684
DS41202C-page 54
Preliminary
 2004 Microchip Technology Inc.
7.2
Timer2 Interrupt
The Timer2 module has an 8-bit period register, PR2.
Timer2 increments from 00h until it matches PR2 and
then resets to 00h on the next increment cycle. PR2 is
a readable and writable register. The PR2 register is
initialized to FFh upon Reset.
FIGURE 7-1:
TIMER2 BLOCK DIAGRAM
TABLE 7-1:
REGISTERS ASSOCIATED WITH TIMER2
Addr
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOD
Value on
all other
Resets
0Bh/
8Bh
INTCON
GIE
PEIE
T0IE
INTE
RAIE
T0IF
INTF
RAIF
0000 0000
0000 0000
0Ch
PIR1
EEIF
ADIF
CCP1IF
C2IF
C1IF
OSFIF
TMR2IF
TMR1IF
0000 0000
0000 0000
11h
TMR2
Holding register for the 8-bit TMR2 register
0000 0000
0000 0000
12h
T2CON
—
TOUTPS3
TOUTPS2
TOUTPS1
TOUTPS0
TMR2ON
T2CKPS1 T2CKPS0 -000 0000 -000 0000
8Ch
PIE1
EEIE
ADIE
CCP1IE
C2IE
C1IE
OSFIE
TMR2IE
TMR1IE
0000 0000
0000 0000
92h
PR2
Timer2 Module Period register
1111 1111
1111 1111
Legend:
x
= unknown, u = unchanged, — = unimplemented, read as ‘0’. Shaded cells are not used by the Timer2 module.
Comparator
TMR2
Sets Flag
TMR2
Output
Reset
Postscaler
Prescaler
PR2
2
FOSC/4
1:1 to 1:16
1:1, 1:4, 1:16
EQ
4
bit TMR2IF
TOUTPS<3:0>
T2CKPS<1:0>



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