Description Of Major Ics; Bu2092 (Ic811) : Port Expander - JVC HX-Z1 Service Manual

HX-Z1

5.1 BU2092 (IC811) : Port expander

• Pin Layout
• Pin function
Pin No. Symbol I/O
1 Vss -
2 DATA I
3 CLOCK I
4 LCK I
5~16 Q0~Q11 O
17 OE I
18 Vdd -
34
SECTION 5

Description of major ICs

Function
Connect to GND
Serial Data input
Shift Clock of Data
Latch Clock of Data
Parallel Data Output
Output Enable
Power Supply