Datasheet

© 2007 Microchip Technology Inc. DS41250F-page 73
PIC16F913/914/916/917/946
FIGURE 3-22: BLOCK DIAGRAM OF RD0
FIGURE 3-23: BLOCK DIAGRAM OF RD1
Data Bus
WR PORTD
WR TRISD
RD PORTD
COM3
Schmitt
Trigger
I/O Pin
Data Latch
TRIS Latch
Q
D
Q
CK
Q
D
Q
CK
LCDEN and LMUX<1:0> = 11
RD TRISD
LCDEN and
LMUX<1:0> = 11
VDD
VSS
Data Bus
WR PORTD
WR TRISD
RD PORTD
RD1 Pin
Data Latch
TRIS Latch
Q
D
Q
CK
Q
D
Q
CK
RD TRISD
VDD
VSS
Schmitt
Trigger