JVC HX-Z1

HX-Z1
34
SECTION 5
Description of major ICs
5.1 BU2092 (IC811) : Port expander
• Pin Layout
• Pin function
Pin No. Symbol I/O Function
1 Vss - Connect to GND
2 DATA I Serial Data input
3 CLOCK I Shift Clock of Data
4 LCK I Latch Clock of Data
5~16 Q0~Q11 O Parallel Data Output
17 OE I Output Enable
18 Vdd - Power Supply