PIC16F684_07 Datasheet, PDF (56/192 Pages) Microchip Technology – 14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F684
REGISTER 7-1: T2CON: TIMER 2 CONTROL REGISTER
U-0
—
bit 7
R/W-0
TOUTPS3
R/W-0
TOUTPS2
R/W-0
TOUTPS1
R/W-0
TOUTPS0
R/W-0
TMR2ON
R/W-0
T2CKPS1
R/W-0
T2CKPS0
bit 0
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
bit 7
bit 6-3
bit 2
bit 1-0
Unimplemented: Read as ‘0’
TOUTPS<3:0>: Timer2 Output Postscaler Select bits
0000 = 1:1 Postscaler
0001 = 1:2 Postscaler
0010 = 1:3 Postscaler
0011 = 1:4 Postscaler
0100 = 1:5 Postscaler
0101 = 1:6 Postscaler
0110 = 1:7 Postscaler
0111 = 1:8 Postscaler
1000 = 1:9 Postscaler
1001 = 1:10 Postscaler
1010 = 1:11 Postscaler
1011 = 1:12 Postscaler
1100 = 1:13 Postscaler
1101 = 1:14 Postscaler
1110 = 1:15 Postscaler
1111 = 1:16 Postscaler
TMR2ON: Timer2 On bit
1 = Timer2 is on
0 = Timer2 is off
T2CKPS<1:0>: Timer2 Clock Prescale Select bits
00 = Prescaler is 1
01 = Prescaler is 4
1x = Prescaler is 16
TABLE 7-1: SUMMARY OF ASSOCIATED TIMER2 REGISTERS
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
INTCON GIE
PEIE
T0IE
INTE
RAIE
T0IF
INTF
RAIF 0000 0000
PIE1
EEIE
ADIE
CCP1IE
C2IE
C1IE
OSFIE TMR2IE TMR1IE 0000 0000
PIR1
EEIF
ADIF
CCP1IF
C2IF
C1IF
OSFIF TMR2IF TMR1IF 0000 0000
PR2
Timer2 Module Period Register
1111 1111
TMR2 Holding Register for the 8-bit TMR2 Register
0000 0000
T2CON
— TOUTPS3 TOUTPS2 TOUTPS1 TOUTPS0 TMR2ON T2CKPS1 T2CKPS0 -000 0000
Legend: x = unknown, u = unchanged, — = unimplemented read as ‘0’. Shaded cells are not used for Timer2 module.
0000 0000
0000 0000
0000 0000
1111 1111
0000 0000
-000 0000
DS41202F-page 54
© 2007 Microchip Technology Inc.