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PIC16F946-E/MLQTP Fiches technique(PDF) 47 Page - Microchip Technology

No de pièce PIC16F946-E/MLQTP
Description  28/40/44/64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology
PDF  330 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F946-E/MLQTP Fiches technique(HTML) 47 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
DS41250F-page 45
PIC16F913/914/916/917/946
3.2.1
PIN DESCRIPTIONS AND
DIAGRAMS
Each PORTA pin is multiplexed with other functions. The
pins and their combined functions are briefly described
here. For specific information about individual functions,
refer to the appropriate section in this data sheet.
3.2.1.1
RA0/AN0/C1-/SEG12
Figure 3-1 shows the diagram for this pin. The RA0 pin
is configurable to function as one of the following:
• a general purpose I/O
• an analog input for the ADC
• an analog input for Comparator C1
• an analog output for the LCD
FIGURE 3-1:
BLOCK DIAGRAM OF RA0
Q
D
Q
CK
Data Latch
TRIS Latch
RD TRISA
RD PORTA
Analog Input or
I/O Pin
Q
D
Q
CK
TTL
Input Buffer
To A/D Converter and Comparator
SEG12
SE12 and LCDEN
SE12 and LCDEN
Data Bus
WR PORTA
WR TRISA
SE12 and LCDEN
VDD
VSS



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