Harman Kardon BRUKSANVISNING AVR 255, Service Manual

Page: 95 / 144

No. 6037-3/8
LC72723, LC72723M
Pin Descriptions
Pin No. Pin Function I/O Pin circuit type
Reference voltage output (Vdda/2) Output 1 VREF
Base band (multiplex) signal input Input 2 MPXIN
Subcarrier output (filter output) Output 5 FLOUT
Subcarrier input (comparator input) Input 6 CIN
Analog system power supply (+5 V) — — 3 Vdda
Analog system ground — — 4 Vssa
Crystal element output (4.332 MHz) Output 8 XOUT
RDS data output Output 14 RDDA
RDS clock output (master mode)
RDS clock input (slave mode)
I/O 15 RDCL
RDS ID/ready output (Active low) Output
—
—
—
—
16 RDS-ID/READY
Digital system power supply (+5 V) 11 Vddd
Digital system ground 10 Vssd
Test input 7 TEST
Crystal element input (or external reference signal input)
Input
9 XIN
Readout mode setting (0: master, 1: slave) 12 MODE
RDS ID and RAM reset (Active high logic) 13 RST
harman/kardon AVR 255/230 Service Manual
Page 95 of 144