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PIC16F946-E/MLQTP датащи(PDF) 62 Page - Microchip Technology

номер детали PIC16F946-E/MLQTP
подробное описание детали  28/40/44/64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology
PDF  330 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F946-E/MLQTP датащи(HTML) 62 Page - Microchip Technology

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PIC16F913/914/916/917/946
DS41250F-page 60
© 2007 Microchip Technology Inc.
3.4.3.8
RB7/ICSPDAT/ICDDAT/SEG13
Figure 3-13 shows the diagram for this pin. The RB7
pin is configurable to function as one of the following:
• a general purpose I/O
• an In-Circuit Serial Programming™ I/O
• an ICD data I/O
• an analog output for the LCD
FIGURE 3-13:
BLOCK DIAGRAM OF RB7
From other
Set RBIF
RB<7:4> pins
Q1
Q
D
CK
Data Latch
TRIS Latch
Q
D
CK
TTL
Input Buffer
SE13 and LCDEN
Data Bus
WR PORTB
WR TRISB
P
VDD
I/O Pin
Weak
Pull-up
SE13 and LCDEN
RBPU
D
Q
EN
PORT/Program Mode/ICD
SEG13
PGD DRVEN
ICSPDAT
SE13 and LCDEN
Program
Mode/ICD
VDD
VSS
RD TRISB
RD PORTB
Q
D
CK
Q
RD IOC
WR IOC
RD PORTB
D
Q
EN
Interrupt-on-
Change
Write ‘0’ to RBIF
Q
S
R
0
1
0
1
ICSPDAT/ICDDAT
Schmitt Trigger
Program Mode or ICD Mode or (SE13 and LCDEN)



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