
PIC16F627A/628A/648A
DS40044A-page 66
Preliminary
2002 Microchip Technology Inc.
FIGURE 10-4:
ANALOG INPUT MODE
TABLE 10-1:
REGISTERS ASSOCIATED WITH COMPARATOR MODULE
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR
Value on
All Other
RESETS
1Fh
CMCON
C2OUT
C1OUT
C2INV
C1NV
CIS
CM2
CM1
CM0
0000 0000 0000 0000
0Bh, 8Bh,
10Bh, 18Bh
INTCON
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0000 000x 0000 000u
0Ch
PIR1
EEIF
CMIF
RCIF
TXIF
—
CCP1IF
TMR2IF TMR1IF
0000 -000 0000 -000
8Ch
PIE1
EEIE
CMIE
RCIE
TXIE
—
CCP1IE TMR2IE TMR1IE
0000 -000 0000 -000
85h
TRISA
TRISA7 TRISA6
TRISA5 TRISA4
TRISA3
TRISA2
TRISA1
TRISA0
1111 1111 1111 1111
Legend:
x = Unknown, u = Unchanged, - = Unimplemented, read as ‘0’
VA
R
S
< 10 K
A
IN
C
PIN
5 pF
V
DD
V
T
= 0.6 V
V
T
= 0.6 V
R
IC
I
LEAKAGE
±500 nA
V
SS
Legend
C
PIN
V
T
I
LEAKAGE
R
IC
R
S
VA
= Input Capacitance
= Threshold Voltage
= Leakage Current At The Pin
= Interconnect Resistance
= Source Impedance
= Analog Voltage