PIC16F819 Datasheet

  • PIC16F819

  • 18/20-Pin Enhanced Flash Microcontrollers with nanoWatt Tech...

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  • 176页

  • MICROCHIP   MICROCHIP

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PIC16F818/819
REGISTER 8-1:
T2CON: TIMER2 CONTROL REGISTER (ADDRESS 12h)
U-0
鈥?/div>
bit 7
bit 7
bit 6-3
Unimplemented:
Read as 鈥?鈥?/div>
TOUTPS3:TOUTPS0:
Timer2 Output Postscale Select bits
0000
= 1:1 postscale
0001
= 1:2 postscale
0010
= 1:3 postscale
鈥?/div>
鈥?/div>
鈥?/div>
1111
= 1:16 postscale
TMR2ON:
Timer2 On bit
1
= Timer2 is on
0
= Timer2 is off
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
鈥?鈥?= Bit is set
U = Unimplemented bit, read as 鈥?鈥?/div>
鈥?鈥?= Bit is cleared
x = Bit is unknown
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
bit 0
TOUTPS3 TOUTPS2 TOUTPS1 TOUTPS0 TMR2ON T2CKPS1 T2CKPS0
bit 2
bit 1-0
TABLE 8-1:
Address
REGISTERS ASSOCIATED WITH TIMER2 AS A TIMER/COUNTER
Bit 7
GIE
鈥?/div>
鈥?/div>
鈥?/div>
Bit 6
PEIE
ADIF
ADIE
Bit 5
TMR0IE
鈥?/div>
鈥?/div>
Bit 4
INTE
鈥?/div>
鈥?/div>
Bit 3
RBIE
SSPIF
SSPIE
Bit 2
TMR0IF
CCP1IF
CCP1IE
Bit 1
INTF
TMR2IF
TMR2IE
Bit 0
RBIF
Value on
POR, BOR
Value on
all other
Resets
Name
0Bh, 8Bh, INTCON
10Bh, 18Bh
0Ch
8Ch
11h
12h
92h
Legend:
PIR1
PIE1
TMR2
T2CON
PR2
0000 000x 0000 000u
TMR1IF
-0-- 0000 -0-- 0000
TMR1IE
-0-- 0000 -0-- 0000
0000 0000 0000 0000
Timer2 Module Register
Timer2 Period Register
TOUTPS3 TOUTPS2 TOUTPS1 TOUTPS0 TMR2ON T2CKPS1 T2CKPS0
-000 0000 -000 0000
1111 1111 1111 1111
x
= unknown,
u
= unchanged,
-
= unimplemented, read as 鈥?鈥? Shaded cells are not used by the Timer2 module.
DS39598D-page 64
Preliminary
铮?/div>
2003 Microchip Technology Inc.

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