PIC18F1220_07 Datasheet, PDF (120/308 Pages) Microchip Technology – 18/20/28-Pin High-Performance, Enhanced Flash Microcontrollers with 10-bit A/D and nanoWatt Technology

PIC18F1220/1320
FIGURE 15-2:
COMPARE MODE OPERATION BLOCK DIAGRAM
Special Event Trigger will:
Reset Timer1 or Timer3, but does not set Timer1 or Timer3 interrupt flag bit
and set bit GO/DONE (ADCON0<2>), which starts an A/D conversion.
Special Event Trigger
Set Flag bit CCP1IF
RB3/CCP1/P1A pin
TRISB<3>
Output Enable
QS
R
Output
Logic
CCP1CON<3:0>
Mode Select
Match
CCPR1H CCPR1L
Comparator
T3CCP1
01
TMR1H TMR1L
TMR3H TMR3L
TABLE 15-3: REGISTERS ASSOCIATED WITH CAPTURE, COMPARE, TIMER1 AND TIMER3
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/GIEH PEIE/GIEL TMR0IE INT0IE
RBIE TMR0IF INT0IF RBIF 0000 000x 0000 000u
PIR1
—
ADIF
RCIF
TXIF
—
CCP1IF TMR2IF TMR1IF -000 -000 -000 -000
PIE1
—
ADIE
RCIE
TXIE
—
CCP1IE TMR2IE TMR1IE -000 -000 -000 -000
IPR1
—
ADIP
RCIP
TXIP
—
CCP1IP TMR2IP TMR1IP -111 -111 -111 -111
TRISB
PORTB Data Direction Register
1111 1111 1111 1111
TMR1L Holding Register for the Least Significant Byte of the 16-bit TMR1 Register
xxxx xxxx uuuu uuuu
TMR1H Holding Register for the Most Significant Byte of the 16-bit TMR1 Register
xxxx xxxx uuuu uuuu
T1CON
RD16 T1RUN T1CKPS1 T1CKPS0 T1OSCEN T1SYNC TMR1CS TMR1ON 0000 0000 uuuu uuuu
CCPR1L Capture/Compare/PWM Register 1 (LSB)
xxxx xxxx uuuu uuuu
CCPR1H Capture/Compare/PWM Register 1 (MSB)
xxxx xxxx uuuu uuuu
CCP1CON P1M1 P1M0 DC1B1 DC1B0 CCP1M3 CCP1M2 CCP1M1 CCP1M0 0000 0000 0000 0000
TMR3L Holding Register for the Least Significant Byte of the 16-bit TMR3 Register
xxxx xxxx uuuu uuuu
TMR3H Holding Register for the Most Significant Byte of the 16-bit TMR3 Register
xxxx xxxx uuuu uuuu
T3CON
RD16
— T3CKPS1 T3CKPS0 T3CCP1 T3SYNC TMR3CS TMR3ON 0-00 0000 u-uu uuuu
ADCON0 VCFG1 VCFG0
—
CHS2
CHS1 CHS0 GO/DONE ADON 00-0 0000 00-0 0000
Legend: x = unknown, u = unchanged, – = unimplemented, read as ‘0’. Shaded cells are not used by Capture and Timer1.
DS39605F-page 118
© 2007 Microchip Technology Inc.