PANEL BOARD IC601 TMP87CM74AF-1G57 (DISPLAY CONTROL)
Pin No.Pin NameI/OFunction
1 to 6LED3 to LED8OLED driver output
7VSSNGround
8XOUTOXOtal (8MHz)
9XINIXOtal (8MHz)
10RESETIReset signal input
11, 12LED9, LED10OLED driver output
13TESTNNot used
14 to 18LED11 to LED15OLED driver output
19, 20VOLA, VOLBIRotaly encoder pulse input for Volume
21, 22JOGA, JOGBIRotaly encoder pulse input for Jog
23SCL(IIC)ISerial data clock input
24SDA(IIC)ISerial data input
25LED SELECTOLED select signal output
26 to 29KEY0 to KEY3IKey input
30MODELIModel No. input
31LED16OLED driver output
32L+RISpectrum analyzer (high frequency) input
33SIRCSIRemote commander signal input
34 to 37SPEANA0 to SPEANA3ISpectrum analyzer signal input
38AVSSNGround
39VAREFNAnalog reference voltage input
40VDDNPower supply (+5V)
41 to 53GRID1 to GRID13OFluorescent disply tube gride signal output
54 to 77SEG1 to SEG24OFluorescent disply tube segment signal output
78VKKNN
79, 80LED1, LED2OLED driver output
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