Datasheet

MCP2502X/5X
DS21664D-page 32 © 2007 Microchip Technology Inc.
REGISTER 5-1: GPDDR - DATA DIRECTION REGISTER
REGISTER 5-2: GPLAT - GPIO OUTPUT REGISTER
REGISTER 5-3: IOINTEN REGISTER
U-0 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1
— DDR6 DDR5 DDR4 DDR3 DDR2 DDR1 DDR0
bit 7 bit 0
bit 7 Unimplemented: Read as ‘0’
bit 6-0 DDR6:DDR0: Data Direction Register* bits
1 = corresponding GPIO pin is configured as an input
0 = corresponding GPIO pin is configured as an output
* must bet set if corresponding analog channel is enabled (see ADCON1)
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
U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— GP6 GP5 GP4 GP3 GP2 GP1 GP0
bit 7 bit 0
bit 7 Unimplemented: Read as '0’
bit 6-0 GP6:GP0: GPIO Bits
1 = corresponding GPIO pin output latch is a ‘1’
0 = corresponding GPIO pin output latch is a ‘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
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
GP7TXC GP6TXC GP5TXC GP4TXC GP3TXC GP2TXC GP1TXC GP0TXC
bit 7 bit 0
bit 7-0 GP7TXC:GP0TXC: Transmit-on-change Enable bits
1 = Enable Transmit-On-Change/Compare For Corresponding GPIO/AN Channel
0 = Disable Transmit-On-Change/Compare For Corresponding GPIO/AN Channel
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