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PIC16F526-I/P 数据表(PDF) 31 Page - Microchip Technology |
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PIC16F526-I/P 数据表(HTML) 31 Page - Microchip Technology |
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31 / 122 page  2010 Microchip Technology Inc. DS41326D-page 31 PIC16F526 FIGURE 6-4: BLOCK DIAGRAM OF RB4 (with Weak Pull-up and Wake-up on Change) FIGURE 6-5: BLOCK DIAGRAM OF RB5 Data Bus Q D Q CK Q D Q CK WR Port TRIS ‘f’ Data TRIS W Reg Latch Latch Reset Note 1: I/O pins have protection diodes to VDD and VSS. 2: Input mode is disabled when pin is used for oscillator. 1 0 INTOSC/RC/EC CLKOUT Enable FOSC/4 Oscillator Circuit OSC1 RBPU I/O pin(1) (Note 2) D CK Q RD Port Pin Change Data Bus Q D Q CK Q D Q CK WR Port TRIS ‘f’ Data TRIS RD Port I/O pin(1) W Reg Latch Latch Reset Note 1: I/O pins have protection diodes to VDD and VSS. 2: Input mode is disabled when pin is used for oscillator. Oscillator Circuit OSC2 (Note 2) |
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