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PIC16F946-E/MLQTP Datasheet(PDF) 47 Page - Microchip Technology |
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PIC16F946-E/MLQTP Datasheet(HTML) 47 Page - Microchip Technology |
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47 / 330 page  © 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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