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PIC16F1824-E/ML Datasheet(PDF) 133 Page - Microchip Technology |
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PIC16F1824-E/ML Datasheet(HTML) 133 Page - Microchip Technology |
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133 / 420 page  2010 Microchip Technology Inc. Preliminary DS41419A-page 133 PIC16F/LF1824/1828 REGISTER 12-12: ANSELB: PORTB ANALOG SELECT REGISTER R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 U-0 U-0 U-0 U-0 ANSB7 ANSB6 ANSB5 ANSB4 — — — — bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ u = Bit is unchanged x = Bit is unknown -n/n = Value at POR and BOR/Value at all other Resets ‘1’ = Bit is set ‘0’ = Bit is cleared bit 7-4 ANSB<7:4>: Analog Select between Analog or Digital Function on pins RB<7:4>, 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. bit 3-0 Unimplemented: Read as ‘0’ 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. REGISTER 12-13: WPUB: WEAK PULL-UP PORTB REGISTER R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 U-0 U-0 U-0 U-0 WPUB7 WPUB6 WPUB5 WPUB4 — — — — bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ u = Bit is unchanged x = Bit is unknown -n/n = Value at POR and BOR/Value at all other Resets ‘1’ = Bit is set ‘0’ = Bit is cleared bit 7-4 WPUB<7:4>: Weak Pull-up Register bits 1 = Pull-up enabled 0 = Pull-up disabled bit 3-0 Unimplemented: Read as ‘0’ Note 1: Global WPUEN 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 12-14: INLVLB: PORTB INPUT LEVEL CONTROL REGISTER R/W-0/0 R/W-0/0 R/W-0/0 R/W-0/0 U-0 U-0 U-0 U-0 INLVLB7 INLVLB6 INLVLB5 INLVLB4 — — — — bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ u = Bit is unchanged x = Bit is unknown -n/n = Value at POR and BOR/Value at all other Resets ‘1’ = Bit is set ‘0’ = Bit is cleared bit 7-4 INLVLB<7:4>: PORTB Input Level Select bits For RB<7:4> pins, respectively 1 = ST input used for PORT reads and interrupt-on-change 0 = TTL input used for PORT reads and interrupt-on-change bit 3-0 Unimplemented: Read as ‘0 |
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