Kenwood KDC-8021 - Page 6

KDC-8021/M9021/X859
6
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin Name I/O Processing Operation
93 SRC KEY I SOURCE KEY "H":ON "L":OFF
94 VREF CON O Vref control. During operation: "H"
95 MC REQ I Request from System uCOM. "H": Requested.
96 KS4 I/O Key scan. (Hi-Z/L scan)
97 KS3 I/O Key scan (Hi-Z/L scan). (Flash uCOM write port) (DI)
98 KS2 I/O Key scan (Hi-Z/L scan). (Flash uCOM write port) (DO)
99 KS1 I/O Key scan (Hi-Z/L scan). (Flash uCOM write port) (CLK)
100 MC DATA I Data communication with System uCOM.
PANEL MICROCOMPUTER UPD703032GFA03 (X16)