PIC16LF648AT-I/ML データシートの表示（PDF） - Microchip Technology
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PIC16LF648AT-I/ML
Microchip Technology
PIC16LF648AT-I/ML Datasheet PDF : 178 Pages
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PIC16F627A/628A/648A
FIGURE 5-2:
BLOCK DIAGRAM OF
RA2/AN2/VREF PIN
Data
Bus
D
Q
VDD
WR
PORTA
CK Q
Data Latch
WR
TRISA
D
Q
CK Q
TRIS Latch
Analog
Input Mode
(CMCON Reg.)
RA2 Pin
VSS
RD
TRISA
Schmitt Trigger
Input Buffer
Q
D
EN
RD PORTA
To Comparator
VROE
VREF
FIGURE 5-3:
BLOCK DIAGRAM OF THE RA3/AN3/CMP1 PIN
Data
Bus
WR
PORTA
WR
TRISA
D
Q
CK Q
Data Latch
D
Q
CK Q
TRIS Latch
Comparator Mode = 110 (CMCON Reg.)
Comparator Output
1
0
Analog
Input Mode
(CMCON Reg.)
RD
TRISA
Schmitt Trigger
Input Buffer
Q
D
EN
RD PORTA
To Comparator
VDD
RA3 Pin
VSS
DS40044F-page 32
© 2007 Microchip Technology Inc.
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