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PIC16F-E/ML 数据表(PDF) 44 Page - Microchip Technology |
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PIC16F-E/ML 数据表(HTML) 44 Page - Microchip Technology |
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44 / 178 page ![]() PIC16F627A/628A/648A DS40044F-page 42 © 2007 Microchip Technology Inc. FIGURE 5-15: BLOCK DIAGRAM OF THE RB7/T1OSI/PGD PIN Data Latch TRIS Latch RD TRISB Q D Q CK Q D Q CK RD PORTB WR PORTB WR TRISB T10SCEN Data Bus RB7/T1OSI/ To RB6 RBPU VDD weak pull-up P PGD pin TTL input buffer From other QD EN QD EN Set RBIF RB<7:4> pins Serial Programming Input Schmitt Trigger TMR1 oscillator VDD VSS Q3 Q1 |
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