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PIC16F913-I/SP 数据表(PDF) 59 Page - Microchip Technology |
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PIC16F913-I/SP 数据表(HTML) 59 Page - Microchip Technology |
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59 / 330 page ![]() © 2007 Microchip Technology Inc. DS41250F-page 57 PIC16F913/914/916/917/946 3.4.3.5 RB4/COM0 Figure 3-10 shows the diagram for this pin. The RB4 pin is configurable to function as one of the following: • a general purpose I/O • an analog output for the LCD FIGURE 3-10: BLOCK DIAGRAM OF RB4 From other Set RBIF RB<7:4> pins LCDEN COM0 Q D CK Data Latch TRIS Latch RD TRISB RD PORTB Q D CK TTL Input Buffer LCDEN Data Bus WR PORTB WR TRISB P VDD I/O Pin Weak Pull-up LCDEN RBPU D Q EN LCDEN Q1 Q D EN RD PORTB VDD VSS Q D CK Q RD IOC WR IOC Interrupt-on- Change Write ‘0’ to RBIF Q S R WPUB<4> |
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