PIC17C75X Datasheet, PDF (82/320 Pages) Microchip Technology – High-Performance 8-Bit CMOS EPROM Microcontrollers

PIC17C75X
TABLE 10-13: PORTG FUNCTIONS
Name
Bit Buffer Type
Function
RG0/AN3
RG1/AN2
bit0
ST
bit1
ST
RG2/AN1/VREF- bit2
ST
RG3/AN0/VREF+ bit3
ST
RG4/CAP3
bit4
ST
RG5/PWM3
bit5
ST
RG6/RX2/DT2
bit6
ST
RG7/TX2/CK2
bit7
ST
Legend: ST = Schmitt Trigger input.
Input/Output or analog input 3.
Input/Output or analog input 2.
Input/Output or analog input 1 or the ground reference voltage
Input/Output or analog input 0 or the positive reference voltage
RG4 can also be the Capture3 input pin.
RG5 can also be the PWM3 output pin.
RG6 can also be selected as the USART2 (SCI) Asynchronous
Receive or USART2 (SCI) Synchronous Data.
RG7 can also be selected as the USART2 (SCI) Asynchronous Trans-
mit or USART2 (SCI) Synchronous Clock.
TABLE 10-14: REGISTERS/BITS ASSOCIATED WITH PORTG
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on,
POR,
BOR
Value on all
other resets
(Note1)
12h, Bank 5 DDRG Data Direction Register for PORTG
1111 1111
13h, Bank 5 PORTG
RG7/ RG6/
RG5/
TX2/CK2 RX2/DT2 PWM3
RG4/
CAP3
RG3/
AN0
RG2/
AN1
RG1/
AN2
RG0/
AN3
xxxx 0000
Legend: x = unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used by PORTG.
Note 1: Other (non power-up) resets include: external reset through MCLR and the Watchdog Timer Reset.
1111 1111
uuuu 0000
DS30264A-page 82
Preliminary
© 1997 Microchip Technology Inc.