ECE1099
ECE1099 is 23 x 8 Keyscan Matrix Interface via SMBus or BC-Link Bus manufactured by Microchip Technology.
GPIO Expansion, 23x8 Keyscan Matrix Interface via SMBus or BC-Link Bus
Highlights
Features
The ECE1099 is a 40-Pin 3.3V Keyboard Scan Expansion or GPIO Expansion device. The device supports a keyboard scan matrix of 23x8. The device is connected to a Master via the BC-Link interface or via the SMBus.
KSI and KSO signals are multiplexed with GPIOs.
- Up to 23x8 Keyboard Scan Matrix
- 32 Multiplexed General Purpose I/O pins
- All are MCU addressable I/O Pins
- BC-Link Interconnect Bus
- Link to embedded controller
- SMBus Interconnect
- One of two address selection
- 3.3V Operation
- 40-Pin, QFN RoHS pliant package
- 0.5mm Pitch
- 6x6mm Body size
Block Diagram
BC Bus...
