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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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PIC16F722-E/ML bảng dữ liệu(PDF) 64 Page - Microchip Technology |
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PIC16F722-E/ML bảng dữ liệu(HTML) 64 Page - Microchip Technology |
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64 / 302 page  PIC16F72X/PIC16LF72X DS41341E-page 64 © 2009 Microchip Technology Inc. REGISTER 6-7: WPUB: WEAK PULL-UP PORTB REGISTER R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 WPUB7 WPUB6 WPUB5 WPUB4 WPUB3 WPUB2 WPUB1 WPUB0 bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 7-0 WPUB<7:0>: Weak Pull-up Register bits 1 = Pull-up enabled 0 = Pull-up disabled Note 1: Global RBPU bit of the OPTION register must be cleared for individual pull-ups to be enabled. 2: The weak pull-up device is automatically disabled if the pin is in configured as an output. REGISTER 6-8: IOCB: INTERRUPT-ON-CHANGE PORTB REGISTER R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 IOCB7 IOCB6 IOCB5 IOCB4 IOCB3 IOCB2 IOCB1 IOCB0 bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 7-0 IOCB<7:0>: Interrupt-on-Change PORTB Control bits 1 = Interrupt-on-change enabled 0 = Interrupt-on-change disabled REGISTER 6-9: ANSELB: PORTB ANALOG SELECT REGISTER U-0 U-0 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 — — ANSB5 ANSB4 ANSB3 ANSB2 ANSB1 ANSB0 bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 7-6 Unimplemented: Read as ‘0’ bit 5-0 ANSB<5:0>: Analog Select between Analog or Digital Function on Pins RB<5:0>, respectively 0 = Digital I/O. Pin is assigned to port or Digital special function. 1 = Analog input. Pin is assigned as analog input(1). Digital Input buffer disabled. Note 1: When setting a pin to an analog input, the corresponding TRIS bit must be set to Input mode in order to allow external control of the voltage on the pin. |
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