PIC14000-04 Microchip Technology, PIC14000-04 Datasheet - Page 29

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PIC14000-04

Manufacturer Part Number
PIC14000-04
Description
28-Pin Programmable Mixed Signal Controller
Manufacturer
Microchip Technology
Datasheet

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FIGURE 5-5:
1.
2.
3.
1996 Microchip Technology Inc.
I/O pins have protection diodes to V
Port Latch =‘1’ and TRISC =‘1’ enables weak pull-up if RCPU =‘0’ in OPTION register.
If the CMAOE bit (CMCON<1>) is set to‘1’, RC0 becomes REFA, RC1 becomes CMPA,
ignoring the PORTC<1:0> data and TRISC<1:0> register settings.
BLOCK DIAGRAM OF PORTC<3:0> PINS
PORTC
Write
TRISC
Write
Data
Bus
RCPU
PORTC
Read
D
CK Q
D
CK Q
DD
Read
TRISC
Q
Q
and V
Preliminary
SS
.
HIBERNATE
Q
Schmitt Trigger
EN
Input Buffer
D
V
DD
P
Read PORTC
I/O
Pin
PIC14000
DS40122B-page 29

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