GPIO Expansion via SMBus or BC-Link Bus
ECE1088
GPIO Expansion via SMBus or BC-Link Bus
Highlights
Features
The ECE1088 is a 28-Pin 3.3V GPIO Expansion devic...
Description
ECE1088
GPIO Expansion via SMBus or BC-Link Bus
Highlights
Features
The ECE1088 is a 28-Pin 3.3V GPIO Expansion device. The device is connected to a Master via the BC-Link interface or via the SMBus.
20 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 - 28-Pin, QFN RoHS Compliant package - 0.5mm Pitch - 5x5mm Body size
Block Diagram
BC-Link Interface
BC-Link SMBus
BC-Link/ SMBus Autodetect
SMBus Interface
BC-Link_INT# SMBus_INT#
Internal VCC1 PWRGD
VCC1 POR
GPIO [0:19] Registers
Status Mask
Internal Address / Data Bus
TEST VCC1
2008-2018 Microchip Technology Inc.
DS00002623A-page 1
ECE1088
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