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PIC16C641-04/SP Datasheet(PDF) 30 Page - Microchip Technology

Part # PIC16C641-04/SP
Description  8-Bit EPROM Microcontrollers with Analog Comparators
PDF  136 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16C641-04/SP Datasheet(HTML) 30 Page - Microchip Technology

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PIC16C64X & PIC16C66X
DS30559A-page 30
Preliminary
© 1996 Microchip Technology Inc.
FIGURE 5-2:
BLOCK DIAGRAM OF RA2 PIN
Note: I/O pin has protection diodes to VDD and VSS.
Data
bus
Q
D
Q
CK
P
N
WR
Port
WR
TRIS
Data Latch
TRIS Latch
RD TRIS
RD PORT
Analog
VSS
VDD
RA2 Pin
Q
D
Q
CK
Input Mode
D
Q
EN
To Comparator
Schmitt Trigger
Input Buffer
VROE
VREF
FIGURE 5-3:
BLOCK DIAGRAM OF RA3 PIN
Data
bus
Q
D
Q
CK
P
N
WR
Port
WR
TRIS
Data Latch
TRIS Latch
RD TRIS
RD PORT
Analog
VSS
VDD
RA3 Pin
Q
D
Q
CK
D
Q
EN
To Comparator
Schmitt Trigger
Input Buffer
Input Mode
Comparator Output
Comparator Mode = 110



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