PIC16C662-20/TQ Microchip Technology, PIC16C662-20/TQ Datasheet - Page 30
PIC16C662-20/TQ
Manufacturer Part Number
PIC16C662-20/TQ
Description
8-Bit EPROM Microcontrollers with Analog Comparators
Manufacturer
Microchip Technology
Datasheet
1.PIC16C662-20TQ.pdf
(136 pages)
- Current page: 30 of 136
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PIC16C64X & PIC16C66X
FIGURE 5-2:
FIGURE 5-3:
DS30559A-page 30
Data
bus
WR
Port
WR
TRIS
Data
bus
WR
Port
WR
TRIS
Note: I/O pin has protection diodes to V
RD PORT
RD PORT
To Comparator
To Comparator
D
TRIS Latch
D
Data Latch
TRIS Latch
D
D
Data Latch
CK
CK
CK
CK
VROE
RD TRIS
V
RD TRIS
REF
BLOCK DIAGRAM OF RA2 PIN
BLOCK DIAGRAM OF RA3 PIN
Q
Q
Q
Q
Q
Q
Q
Q
Input Mode
Comparator Output
Schmitt Trigger
Analog
Q
Input Buffer
EN
V
P
N
V
D
DD
SS
DD
Comparator Mode = 110
and V
RA2 Pin
SS
.
Preliminary
Q
EN
Input Mode
D
Schmitt Trigger
Analog
Input Buffer
V
P
V
N
DD
SS
1996 Microchip Technology Inc.
RA3 Pin
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