Panasonic CQC8100U - AUTO RADIO/CD DECK, Service Manual

Page: 14 / 131

Pin
No.
Port Description (I/
O)
(V)
FM AM CD
1 PANEL_OPEN PANEL OPEN
detection I 0 5.2 5.2
2 PANEL_CLOSE PANEL CLOSE
detection I 0 0 5.2
3 NC No Connection - - - -
4 BATT BATT detection I 4.8 5 5
5 ACC ACC detection I 4.8 5 5
6 SDA Electronic VOL
data I/O 4.9 4.9 4.9
7 SCK Electronic VOL
clock O 4.9 4.9 4.9
8 NC No Connection - - - -
9 Vss Power supply GND I 0 0 0
10 ST FM_ST detection I 5.1 5.2 5.2
11 PLL_DI(MO)PLL data output O 0.6 0 0
12 PLL_DO(MI)PLL data input I 5.2 5.2 5.2
13 PLL_CLK PLL clock output O 4.9 4.9 4.9
14 PLL_CE PLL chip enable
output O 0 0 0
15 CD_RST CD deck reset
output O 4.9 4.9 4.9
16 SUB_SI SUB_u-com Data
trans SO 0.6 0.6 0.8
17 NC No Connection - - - -
18 SUB_SO SUB_u-com data
recept SI 4.4 4.4 4.4
19 CD_SO(MI)
/UP_SO
CD_Data recept/
FLASH_W SO SI 1.6 1.6 1.6
20 CD_SCK/
UP_CLK
CD clock transmit/
FLASH_W CLK
SCK 4.9 4.9 4.9
21 Vdd Power supply I 4.9 4.9 4.9
22 CD_SI(MO)
/UP_SI
CD_Data transmit/
FLASH_W SI S0 0 0 0
23 NC No Connection - - - -
24 CDC_CLK Clock recept from
Changer
SCK 0
0.4 0
25 CONDENSOR Capacitor for
power supply - 3.3 3.3 3.3
26 CDC_DATA Data recept from
Changer
SI 0 0 0
27 CDC_STB Changer stororb
signal input
INT 0 0 0
28 CD_IN DISC in detect I 4.9 4.9 0.4
14