Harman Kardon TU 970 - IC71 Details; IC71 Pinout and Function

PIN No. NAME I/O DESCRIPTION
1~8 FIP-DA O FIP Data output port
10 SINO I UART Data input port
11 SOTO O UART Data output port
12 VDD1 - Power supply port(+5V)
13 VSS1 - GND
14 X OUT O
15 X IN I
16 TEST I
19 RESET I Reset input port("L")
21 DAB_DIN I DAB Data input port
22 DAB_DOUT O DAB Data output port
23 DAB_CK O DAB Clock control port
24 FM/AM_MUTE O FM/AM MUTE control port("L")
25 PLL_D O PLL Data output port
26 PLL_CE O PLL Enable control port
27 PLL_CLK O PLL Clock control port
28 STEREO I Tuner module stereo control port
29 TUNED I Tuner module tuned control port
30 PLL_DIN I PLL Data input port
31 RDS_CLOCK O RDS Clock control port
32 RDS_DATA I RDS Data input port
33 BACK_UP I BACKUP mode control port("L")
34 REMOTE_IN I Remote unit data input port
35 BUS_IN I BUS input port
36 BUS_OUT O BUS output port
39,40 GND - GND
41 SCROLL_UP I Scroll up control port
42 SCROLL_DN I Scroll down control port
43 VREF - A/D converter reference voltage
44 AVSS -
46 KEY 3 -
47 KEY 2 -
48 KEY 1 I Key 1 control port
52 VSS2 - GND
53 VDD2 - Power supply port(+5V)
54 SYSTEM_MUTE O System MUTE control port("L")
55 STAND_BY O Standby on control port("L")
56 FM/AM_ON O FM/AM on control port("L")
57 DAB_ON O DAB on comtrol port("L")
58 POWER_ON O Unit turn on control port("L")
65~68 OPTION - GND
78 RS_P O Register selection port
79 WRITE O Write enable port
80 READ O Read enable port
10MHz crystal connection port
GND
IC71 S3F84BB(FLASH MEMORY), ANAM1369A(MASKING)