18
D-EJ119/EJ120/EJ121
5-7. IC PIN FUNCTION DESCRIPTION
Pin No. Pin name I/O Description
• IC801 T5AW5-5GA5 SYSTEM CONTROLLER (MAIN BOARD)
1 GND – Ground terminal
2 XIN I System clock input
3 XOUT O Not used (OPEN)
4 TEST I Test mode terminal (Not used)
5 VCPU_2.0V – Power supply for CPU and I/O
6 FOK_I I Focus OK signal input
7 XBUSY_I I DSP’s auto sequencer status
8 RESET_I I/O Micon reset terminal
9 ACKCD_I I Not used (fixed at “L”)
10 NC O Not used (OPEN)
11 SCOR_I I SCOR pulse input
12 HPSW_O O Headphone IC power switch
13 DSP_SEL I Not used (fixed at “L”)
14 XPOWLT_O O Power IC’s serial interface latch output
15 SRW_O O DSP’s serial interface Read/Write signal output
16 SDTI_I I Serial interface input
17 SDTO_O O Serial interface output
18 SCK_O O Serial interface clock output
19 AVCPU – Power supply for CPU and I/O
20 ADVREF – Analog reference voltage for A/D converter
21 AD_SEL I Test mode detection input
22 AD_CHGMNT I Charging monitor input
23 AD_KEY_2 I Key input
24 AD_BATTMNT I Battery voltage monitor input
25 WP/AD_KEY_1 I Set’s key detection input
26 WP/AD_RMKEY I Remocon’s key detection input
27 AD_DCINMNT I DC voltage monitoring input
28 WP/XOPEN I OPEN switch status detection input
29 TUPWR_O O Not used (OPEN)
30 BEEP_O O BEEP sound
31 NC O Not used (OPEN)
32 <VDD_EEPROM> – Power supply for EEPROM (OPEN)(Not used)
33 WP/K2_RM O Set’s key detection input
34 TU_ON_I I Not used (fixed at “L”)
35 VOL+_IN O Volume + signal input
36 X4M/16M_I I DRAM size selection terminal (OPEN)
37 TEST O Test mode terminal
38 VOL
-
_IN IVolume
-
signal input
39 LCD_REQ_O O Not used (OPEN)
40 HOLD_I I HOLD switch status detection input
41 to 56 SEG0 to 15 O LCD segment output
57 to 60 COM0 to 3 O LCD common output
61 to 63 V1 to 3 – LCD driver booster
64 C1 – LCD driver booster
65 C0 – LCD driver booster
66 XWAKEUP_O O Wake-up signal output
67 PGM_SDTO – Not used