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PIC16F913-I/SP 数据表(PDF) 60 Page - Microchip Technology |
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PIC16F913-I/SP 数据表(HTML) 60 Page - Microchip Technology |
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60 / 330 page ![]() PIC16F913/914/916/917/946 DS41250F-page 58 © 2007 Microchip Technology Inc. 3.4.3.6 RB5/COM1 Figure 3-11 shows the diagram for this pin. The RB5 pin is configurable to function as one of the following: • a general purpose I/O • an analog output for the LCD FIGURE 3-11: BLOCK DIAGRAM OF RB5 From other Set RBIF RB<7:4> pins LCDEN and COM1 Q D CK Data Latch TRIS Latch RD TRISB RD PORTB Q D CK TTL Input Buffer LCDEN and LMUX<1:0> ≠ 00 Data Bus WR PORTB WR TRISB P VDD I/O Pin Weak Pull-up LCDEN and LMUX<1:0> ≠ 00 RBPU D Q EN LCDEN and LMUX<1:0> ≠ 00 RD PORTB Q D EN VDD VSS Q D CK Q RD IOC WR IOC Interrupt-on- Change Write ‘0’ to RBIF Q S R LMUX<1:0> ≠ 00 Q1 WPUB<5> |
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