PIC16F627A_05 Datasheet, PDF (40/180 Pages) Microchip Technology – Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F627A/628A/648A
FIGURE 5-11:
RBPU
CCP1CON
BLOCK DIAGRAM OF
RB3/CCP1 PIN
VDD
Weak
P ^Pull-up
VDD
CCP output
Data Bus
WR PORTB
0
DQ
1
CK Q
Data Latch
DQ
RB3/
CCP1
VSS
WR TRISB
Peripheral OE⁽²⁾
CK Q
TRIS Latch
RD TRISB
Q
TTL
Input
Buffer
D
EN
RD PORTB
CCP In
Schmitt
Trigger
Note 1: Peripheral OE (output enable) is only active if
peripheral select is active.
DS40044D-page 38
© 2005 Microchip Technology Inc.