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PIC16F628-04/P Datasheet(PDF) 36 Page - Microchip Technology |
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PIC16F628-04/P Datasheet(HTML) 36 Page - Microchip Technology |
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36 / 160 page ![]() PIC16F62X DS40300B-page 36 Preliminary © 1999 Microchip Technology Inc. FIGURE 5-9: BLOCK DIAGRAM OF RB1/TX/DT PIN Data Latch TRIS Latch RD TRISB P VSS Q D Q CK Q D Q CK N VDD 0 1 RD PORTB WR PORTB WR TRISB Schmitt Trigger Peripheral OE(2) Data Bus PORT/PERIPHERAL Select(1) USART data output RD PORTB RB1/RX/DT USART receive input RBPU VDD weak pull-up TTL input buffer P pin Note 1: Port/Peripheral select signal selects between port data and peripheral output. Note 2: Peripheral OE( output enable) is only active if peripheral select is active. EN QD VDD VSS |
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