PIC16F737-I Datasheet, PDF (61/276 Pages) Microchip Technology – 28/40/44-Pin, 8-Bit CMOS Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC16F7X7
FIGURE 5-11:
BLOCK DIAGRAM OF RB3/CCP2⁽¹⁾/AN9 PIN
CCP2 Output Select and CCPMX
CCP2 Output
Analog
Input Mode
1
0
RBPU⁽²⁾
Data Bus
WR PORTB
Data Latch
DQ
CK
VDD
P
Weak
Pull-up
VDD
P
N
I/O pin
WR TRISB
TRIS Latch
DQ
CK Q
RD TRISB
VSS
Analog
Input Mode
TTL
Input Buffer
RD PORTB
QD
EN
To A/D Channel Input
Schmitt Trigger ^Analog
Buffer⁽³⁾
Input Mode
To CCP Module Input
RD PORTB
Note 1: Pin location of CCP2 is determined by the CCPMX bit in Configuration Word Register 1.
2: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit.
3: The SDA Schmitt Trigger conforms to the I²C™ specification.
 2004 Microchip Technology Inc.
DS30498C-page 59