PIC16F7X7
REGISTER 8-1:
T2CON: TIMER2 CONTROL REGISTER (ADDRESS 12h)
U-0
—
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
TOUTPS3 TOUTPS2 TOUTPS1 TOUTPS0 TMR2ON T2CKPS1 T2CKPS0
bit 0
bit 7
bit 7
Unimplemented: Read as ‘0’
bit 6-3
TOUTPS3:TOUTPS0: Timer2 Output Postscale Select bits
0000= 1:1 Postscale
0001= 1:2 Postscale
0010= 1:3 Postscale
•
•
•
1111= 1:16 Postscale
bit 2
TMR2ON: Timer2 On bit
1= Timer2 is on
0= Timer2 is off
bit 1-0
T2CKPS1:T2CKPS0: Timer2 Clock Prescale Select bits
00= Prescaler is 1
01= Prescaler is 4
1x= Prescaler is 16
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared x = Bit is unknown
TABLE 8-1:
REGISTERS ASSOCIATED WITH TIMER2 AS A TIMER/COUNTER
Value on
all other
Resets
Value on:
POR, BOR
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0Bh,8Bh,
INTCON
GIE
PEIE
TMR0IE
INT0IE
RBIE
TMR0IF INT0IF
RBIF
0000 000x 0000 000u
10Bh, 18Bh
(1)
0Ch
PIR1
PSPIF
PSPIE
ADIF
ADIE
RCIF
RCIE
TXIF
TXIE
SSPIF
CCP1IF TMR2IF TMR1IF 0000 0000 0000 0000
(1)
8Ch
PIE1
SSPIE CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000
11h
TMR2
T2CON
PR2
Timer2 Module Register
0000 0000 0000 0000
12h
—
TOUTPS3 TOUTPS2 TOUTPS1 TOUTPS0 TMR2ON T2CKPS1 T2CKPS0 -000 0000 -000 0000
92h
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.
Note 1: Bits PSPIE and PSPIF are reserved on the PIC16F737/767 devices; always maintain these bits clear.
DS30498C-page 86
2004 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
