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PIC16F785 датащи(PDF) 39 Page - Microchip Technology

номер детали PIC16F785
подробное описание детали  20-Pin Flash-Based 8-Bit CMOS Microcontroller with Two-Phase Asychronous Feedback PWM, Dual High-Speed Comparators and Dual Operational Amplifiers
PDF  178 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F785 датащи(HTML) 39 Page - Microchip Technology

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 2004 Microchip Technology Inc.
Preliminary
DS41249A-page 37
PIC16F785
4.2.3.3
RA2/AN2/T0CKI/INT/C1OUT
Figure 4-3 shows the diagram for this pin. The RA2 pin
is configurable to function as one of the following:
• a general purpose I/O
• an analog input for the A/D
• the clock input for TMR0
• an external edge triggered interrupt
• a digital output from comparator 1
FIGURE 4-3:
BLOCK DIAGRAM OF RA2
4.2.3.4
RA3/MCLR/VPP
Figure 4-4 shows the diagram for this pin. The RA3 pin
is configurable to function as one of the following:
• a general purpose input
• as Master Clear Reset w/weak pull-up
FIGURE 4-4:
BLOCK DIAGRAM OF RA3
I/O PIN
VDD
VSS
D
Q
CK
Q
D
Q
CK
Q
D
Q
CK
Q
D
Q
CK
Q
VDD
WEAK
ANS2
DATA BUS
WR
WPUA
RD
WPUA
RD
PORTA
WR
PORTA
WR
TRISA
RD
TRISA
WR
IOCA
RD
IOCA
TO A/D CONVERTER
0
1
TO INT
TO TMR0
ANS2
RAPU
INTERRUPT-ON-
CHANGE
C1OUT
C1OE
D
EN
Q
D
EN
Q
D
EN
Q
Q1
Q3
RD PORTA
INPUT
VSS
D
Q
CK
Q
RD
PORTA
WR
IOCA
RD
IOCA
RESET
MCLRE
RD
TRISA
VSS
MCLRE
VDD
WEAK
MCLRE
INTERRUPT-ON-
CHANGE
PIN
D
EN
Q
D
EN
Q
D
EN
Q
Q1
Q3
RD PORTA
D
Q
CK
Q
DATA BUS
WR
WPUA
RD
WPUA
RAPU



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