Ic Pin Function Description - Sony D-EJ119 Service Manual

D-EJ119/EJ120/EJ121

5-7. IC PIN FUNCTION DESCRIPTION

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