PIC18F2331 Datasheet, PDF (127/396 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D

PIC18F2331/2431/4331/4431
FIGURE 10-22: BLOCK DIAGRAM OF RD5
PORT/PWM Select
PWM4 Data Out^*
0
1
RD LATD
Data Bus
D
Q
WR LATD
or
PORTD
CK Q
Data Latch
WR TRISD
D
Q
CK Q
TRIS Latch
VDD
P
N
VSS
RD TRISD
RD PORTD
Q
D
EN
Schmitt
Trigger
RD5 Pin
FIGURE 10-23: BLOCK DIAGRAM OF RD4
Data Bus
WR LATD
or
PORTD
WR TRISD
RD LATD
D
Q
CK Q
Data Latch
D
Q
CK Q
TRIS Latch
VDD
P
N
VSS
RD4 Pin
RD TRISD
Q
D
EN
RD PORTD
FLTA input
Note 1: FLTAMX is located in the configuration register.
Schmitt
Trigger
Schmitt
Trigger
FLTAMX⁽¹⁾
 2003 Microchip Technology Inc.
Preliminary
DS39616B-page 125