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PIC16F-E/ML Arkusz danych(PDF) 41 Page - Microchip Technology

Numer części PIC16F-E/ML
Szczegółowy opis  Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology
PDF  178 Pages
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Producent  MICROCHIP [Microchip Technology]
Strona internetowa  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F-E/ML Arkusz danych(HTML) 41 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
DS40044F-page 39
PIC16F627A/628A/648A
FIGURE 5-12:
BLOCK DIAGRAM OF RB4/PGM PIN
Data Latch
TRIS Latch
RD TRISB
Q
D
Q
CK
Q
D
Q
CK
RD PORTB
WR PORTB
WR TRISB
Schmitt
Trigger
PGM input
LVP
Data Bus
RB4/PGM
VDD
weak pull-up
P
From other
QD
EN
QD
EN
Set RBIF
RB<7:4> pins
TTL
input
buffer
VDD
VSS
Note:
The low-voltage programming disables the interrupt-on-change and the weak pull-ups on RB4.
RBPU
Q1
Q3
(Configuration Bit)



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