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PIC16F628-20/SS Fiches technique(PDF) 37 Page - Microchip Technology

No de pièce PIC16F628-20/SS
Description  FLASH-Based 8-Bit CMOS Microcontrollers
PDF  160 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F628-20/SS Fiches technique(HTML) 37 Page - Microchip Technology

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© 1999 Microchip Technology Inc.
Preliminary
DS40300B-page 37
PIC16F62X
FIGURE 5-10: BLOCK DIAGRAM OF RB2/TX/CK PIN
Data Latch
TRIS Latch
RD TRISB
P
Vss
Q
D
Q
CK
Q
D
Q
CK
EN
QD
EN
N
VDD
0
1
RD PORTB
WR PORTB
WR TRISB
Schmitt
Trigger
Peripheral OE(2)
Data Bus
PORT/PERIPHERAL Select(1)
USART TX/CK output
RD PORTB
RB2/TX/CK
USART Slave Clock in
RBPU
VDD
weak pull-up
TTL
input
buffer
P
Note 1: Port/Peripheral select signal selects between port data and peripheral output.
Note 2: Peripheral OE( output enable) is only active if peripheral select is active.
pin
VDD
VSS



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