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PIC16F1934-E/ML Datasheet(PDF) 136 Page - Microchip Technology |
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PIC16F1934-E/ML Datasheet(HTML) 136 Page - Microchip Technology |
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136 / 508 page  PIC16F193X/LF193X DS41364D-page 136 Preliminary 2009 Microchip Technology Inc. 12.3.4 PORTB FUNCTIONS AND OUTPUT PRIORITIES Each PORTB pin is multiplexed with other functions. The pins, their combined functions and their output priorities are briefly described here. For additional information, refer to the appropriate section in this data sheet. When multiple outputs are enabled, the actual pin control goes to the peripheral with the lowest number in the following lists. Analog input and some digital input functions are not included in the list below. These input functions can remain active when the pin is configured as an output. Certain digital input functions, such as the EUSART RX signal, override other port functions and are included in the priority list. RB0 1. SEG0 (LCD) 2. CCP4, 28-pin only 3. RB0 RB1 1. P1C (ECCP1), 28-pin only 2. RB1 RB2 1. P1B (ECCP1), 28-pin only 2. RB2 RB3 1. CCP2/P2A 2. RB3 RB4 1. COM0 2. P1D, 28-pin only 3. RB4 RB5 1. COM1 2. P2B, 28-pin only 3. CCP3/P3A 4. RB5 RB6 1. ICSPCLK (Programming) 2. ICDCLK (enabled by Configuration Word) 3. SEG14 (LCD) 4. RB6 RB7 1. ICSPDAT (Programming) 2. ICDDAT (enabled by Configuration Word) 3. SEG13 (LCD) 4. RB7 REGISTER 12-6: PORTB: PORTB REGISTER R/W-x/u R/W-x/u R/W-x/u R/W-x/u R/W-x/u R/W-x/u R/W-x/u R/W-x/u RB7 RB6 RB5 RB4 RB3 RB2 RB1 RB0 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 7-0 RB<7:0> : PORTB I/O Pin bit 1 = Port pin is > VIH 0 = Port pin is < VIL |
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