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PIC16F913 Datasheet(PDF) 93 Page - Microchip Technology

Part # PIC16F913
Description  28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology
PDF  272 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F913 Datasheet(HTML) 93 Page - Microchip Technology

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© 2005 Microchip Technology Inc.
Preliminary
DS41250E-page 91
PIC16F917/916/914/913
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.
7.3
Timer2 Output
The output of TMR2 (before the postscaler) is fed to the
SSP module, which optionally uses it to generate the
shift clock.
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, BOR
Value on
all other
Resets
0Bh/
8Bh
INTCON
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0000 000x
0000 000x
0Ch
PIR1
EEIF
ADIF
RCIF
TXIF
SSPIF
CCP1IF
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
RCIE
TXIE
SSPIE
CCP1IE
TMR2IE
TMR1IE
0000 0000
0000 0000
92h
PR2
Timer2 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(1)
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>
Note 1: TMR2 register output can be software selected by the SSP module as a baud clock.



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