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MCP25020I/P Datasheet(PDF) 32 Page - Microchip Technology

Part # MCP25020I/P
Description  CAN I/O Expander Family
PDF  66 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP25020I/P Datasheet(HTML) 32 Page - Microchip Technology

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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



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