Difference between revisions of "SWLEDX8-I2C"
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[[file:SWLEDX8-I2C_P1.PNG]] | [[file:SWLEDX8-I2C_P1.PNG]] | ||
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| + | * MCP23017 Port A connects to S0-S7 | ||
| + | * MCP23017 Port B connects to LL-L7 | ||
=== P2 - I2C Interface === | === P2 - I2C Interface === | ||
Revision as of 11:43, 24 May 2022
Contents
Features
- 16-Bit MCP23017
- I2C interface
- I2C Daisy-Chain (In/Out) connectors
- (3) I2C Address select jumpers for up to 8 devices per I2C bus
- SCL/SDA termination jumpers
- 2x10 pins
- 59mmx38mm
- (4) #4-40 mounting holes
- SWLEDx8-I2C can be used standalone or stacked together with the SWLEDX8 card
Build Options
- There are a number of options for using the card
- Stacked option with SWLEDX8 card
- Small footprint
- Low height/profile
Stacked option with SWLEDX8 card
- SWLEDX8 card mounts above this card
- Pins can be directly mounted to both cards or male/female connector pairs can be used
_REV2.png)
Small footprint option
_REV2.png)
Low height/profile option
_REV2.png)
Rear Side Marking
_REV2.png)
Connectors
.PNG)
P1 - GPIO Pins
- MCP23017 Port A connects to S0-S7
- MCP23017 Port B connects to LL-L7
P2 - I2C Interface
P3 - Terminators / I2C Base Address
Mechanicals
.PNG)
Versions
Rev 2
- Functionally the same as Rev X1
- Change resistors from SMT (0805) to through hole (1/8W)
- Adds silkscreen Front/Rear
- Added test block to rear
Rev X1
- Words, no issues
