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PIC16F627A датащи(PDF) 35 Page - Microchip Technology

номер детали PIC16F627A
подробное описание детали  Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology
PDF  180 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F627A датащи(HTML) 35 Page - Microchip Technology

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© 2005 Microchip Technology Inc.
DS40044D-page 33
PIC16F627A/628A/648A
FIGURE 5-4:
BLOCK DIAGRAM OF RA4/T0CKI/CMP2 PIN
FIGURE 5-5:
BLOCK DIAGRAM OF THE
RA5/MCLR/VPP PIN
FIGURE 5-6:
BLOCK DIAGRAM OF
RA6/OSC2/CLKOUT PIN
Data
Bus
Q
D
Q
CK
N
WR
PORTA
WR
TRISA
Data Latch
TRIS Latch
RD TRISA
RD PORTA
Vss
RA4 Pin
Q
D
Q
CK
D
Q
EN
TMR0 Clock Input
Schmitt Trigger
Input Buffer
Comparator Output
Comparator Mode = 110
Vss
1
0
(CMCON Reg.)
D
Q
EN
HV Detect
MCLR Filter
RA5/MCLR/VPP
MCLR
Program
MCLRE
RD
VSS
Data
Bus
VSS
PORTA
RD
circuit
mode
Schmitt Trigger
Input Buffer
TRISA
(Configuration Bit)
WR
D
CK
Q
Q
PORTA
WR
TRISA
VDD
VSS
CLKOUT(FOSC/4)
FOSC =
101, 111 (2)
QD
RD
EN
RD PORTA
FOSC =
D
CK
Q
Q
011, 100, 110 (1)
TRISA
From OSC1
OSC
Circuit
Note
1:
INTOSC with RA6 = I/O or RC with RA6 = I/O.
2: INTOSC with RA6 = CLKOUT or RC with
RA6 = CLKOUT.
Schmitt
Trigger
Input Buffer
Data Latch
TRIS Latch
1
0



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