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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC18F010 датащи(PDF) 71 Page - Microchip Technology |
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PIC18F010 датащи(HTML) 71 Page - Microchip Technology |
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71 / 176 page  2001 Microchip Technology Inc. Preliminary DS41142A-page 69 PIC18F010/020 FIGURE 9-4: BLOCK DIAGRAM OF RB4 PIN FIGURE 9-5: BLOCK DIAGRAM OF RB5 PIN Data Latch From other WPUBx(2) P VDD I/O Q D CK Q D CK QD EN Data Bus WR LATB WR TRISB TRIS Latch RD TRISB RD PORTB RB pins Weak Pull-up RD PORTB Latch TTL Input Buffer pin(1) Note 1: I/O pins have diode protection to VDD and VSS. CLKOUT Q3 Q4 2: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the WPUB bit(s) and RBPU bit. RD LATB or PORTB Set RBIF IOCB Register Q D CK WR IOCB QD EN Data Latch WPUBx(2) P VDD I/O Q D CK Q D CK QD EN Data Bus WR LATB WR TRISB TRIS Latch RD TRISB RD PORTB Weak Pull-up Latch TTL Input Buffer pin(1) Note 1: I/O pins have diode protection to VDD and VSS. ST Buffer CLKIN Q4 2: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the WPUB bit(s) and RBPU bit. RD LATB or PORTB From other QD EN RB pins RD PORTB Q3 IOCB Register Q D CK WR IOCB |
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