Sony D-EJ011 - IC Pin Function Description

15
D-EJ011
5-6. IC PIN FUNCTION DESCRIPTION
Pin No. Pin name I/O Description
• IC801 BU1377KS2 (SYSTEM CONTROLLER)
1 to 18 SEG0 to SEG17 O LCD segment output
19 SEL_CHG I Not used (fixed at “L”)
20 SEL_CEX I Destination select (fixed at “L”)
21 CHARGE_CTL O Not used (OPEN)
22 XLINEOUT_MUTE O LINE OUT muting output (OPEN)
23 EE_SDA/REM_SDA I/O EEPROM data
24 EE_SCL O EEPROM clock
25 PLL_CE O Not used (OPEN)
26 PLL_CLK O Not used (OPEN)
27 PLL_DATA O Not used (OPEN)
28 KEYSCAN6 O Not used (OPEN)
29 KEYSCAN5 O Key matrix detect output
30 KEYSCAN4 O Key matrix detect output
31 KEYSCAN1 I Key matrix detect input
32 KEYSCAN2 I Key matrix detect input
33 GND – Ground terminal
34 KEYSCAN3 I Key matrix detect input
35 PLL_RST O Not used (OPEN)
36 ST_DET O Not used (OPEN)
37 MO/ST O Not used (OPEN)
38 XLINE_DET I/O LINE OUT sensing status detection input (OPEN)
39 SUBSYQ I Sub code sync interuption input
40 HOLD I HOLD switch status detection input
41 OPEN/CLOSE I OPEN switch status detection input
42 INNER O Not used (OPEN)
43 K_PLAY I PLAY KEY input
44 K_TUNER O Not used (OPEN)
45 BEEP O Not used (OPEN)
46 K_STOP I STOP KEY input
47 DIN OUT I/O Command output , DSP status input, subcode Q input
48 MCK O Serial interface clock output
49 RW O DSP’s serial interface Read/Write signal output
50 BUSY I DSP’s auto sequencer status
51 DQM O SDRAM initialize output
52 VDD – Power supply for CPU and I/O
53 XXRESET O System reset output
54 CD_CTL O Not used (OPEN)
55 TU_CTL O Not used (OPEN)
56 XHP_MUTE O Headphone IC mute ON/OFF control output
57 XRESET I Micon reset terminal
58 TEST0 I Connect to GND
59 XIN75 I Not used (fixed at “L”)
60 XOUT75 O Not used (OPEN)
61 GND – Ground terminal
62 XIN4M I 4MHz clock input
63 XOUT4M O 4MHz clock output (OPEN)