
5
4 Technical Descriptions
4.1. Terminals Description
4.1.1. Main Block
IC601 : YESAM462
Pin
No Port Description I/O Vol [V]
FM AM CD
1 DBGP0 Not used - 0 0 0
2 DBGP1 Not used - 0 0 0
3 DBGP2 Not used - 0 0 0
4 RDS CLK RDS (Radio Data System)
clock I2.52.52.5
5 RM DATA Remote control data I 4.6 4.6 4.6
6 CDC STB/
SYSID4 CD changer Strobe; or Hub
connection device ID 4 I0 0 0
7 EVENT Hub event detection I 0 0 0
8 RESET System reset I 4.9 4.9 4.9
9 XT1 Crystal oscillator 1
(32.768kHz) I1.01.01.0
10 XT2 Crystal oscillator 2
(32.768kHz) O1.41.41.4
11 VSS Ground - 0 0 0
12 CF1 Ceramic oscillator 1
(13.50MHz) I1.41.41.4
13 CF2 Ceramic oscillator 2
(13.50MHz) O1.31.31.3
14 VDD +5V power supply - 5.0 5.0 5.0
15 INI A Initialization mode A Pulled
down I4.94.94.9
16 VSM Signal meter intensity
(Tuner) I0 0 0
17 INI B Initialization mode B (Pulled
down) I0 0 0
18 USB FLG Thermal shutdown flag
from USB regulator I0 0 0
19 USB RESET USB reset O 0 0 0
20 NC Not connected - - - -
21 SYSID1 Hub connection device ID 1 I 5.0 5.0 5.0
22 SYSID2 Hub connection device ID 2 I 5.0 5.0 5.0
23 USB MUTE USB mute O 0 0 0
24 CDC DATA Serial data from CD
changer I0 0 0
25 CDC CLK/
SYSID3 Hub connection device ID 3 I 0 0 0
26 CD DI (CD
SI) Serial data to CD and USB O 0 0 3.0
27 CD DO (CD
SO) Serial data from CD and
USB I3.23.22.2
28 CD CLK Serial clock for CD and
USB O0 03.0
29 CD CE (FS) Chip enable for CD and
USB O0 00.9
30 NC Not connected - - - -
31 NC Not connected - - - -
32 NC Not connected - - - -
33 SUB
READY0 Sub ready from CD servo I 5.1 5.1 4.9
34 REG
READY0 Reg. ready from CD servo I 5.1 5.1 0
35 CD SW1 CD detection switch 1 I 4.9 4.9 4.9
36 CD SW2 CD detection switch 2 I 4.9 4.9 4.9
37 CD DMUTE CD mute I 0 0 5.1
38 CD LIMIT
SW CD limit detection switch I 5.1 5.1 5.1
39 VSS Ground - 0 0 0
40 VDD +5V power supply - 4.9 4.9 4.9
41 CD MUTE Mute for Pick-up driver O 0 0 0
42 CD S/L CD Sleding/Loading mode
switch O4.94.94.9
43 CD F/R CD loading direction: For-
ward/Reverse O000
44 CD RESET CD reset O 4.9 4.9 4.9
45 HUB ACC
CNT Power supply control for
Hub (External device) O000
46 HUB CNT Hub connection check
request O4.94.94.9
47 USB ENBL USB enable O 0 0 0
48 USB SLP USB sleep O 0 0 0
49 LCD DI Serial data to LCD O 4.9 4.9 4.9
50 LCD DO Serial data from LCD I 4.3 4.3 4.3
51 LCD CLK Serial clock for LCD O 4.9 4.9 4.9
52 LCD CE Chip enable for LCD CPU O 0 0 0
53 E-VOL I2C
DATA Serial data for Audio signal
processor (volume) O4.94.94.9
54 E-VOL I2C
CLK Serial clock for Audio signal
processor O4.94.94.9
55 VDD +5V power supply - 4.9 4.9 4.9
56 VSS Ground - 0 0 0
57 E-VOL
MUTE Not connected - - - -
58 POWER
CNT System power supply con-
trol O4.94.94.9
59 STBY Standby mode for Power
amplifier O4.94.94.9
60 NC Not connected - - - -
61 NC Not connected - - - -
62 SUB CLK
OUT Not connected - 0 0 0
63 NC Not connected - - - -
64 BEEP Beep tone O 0 0 0
65 USB IN USB-in detection I 0 0 0
66 ACC ACC level detection I 5.2 5.2 5.2
67 NC Not connected - - - -
68 MODE B Rotary encoder detection B
for volume I5.05.05.0
69 MODE A Rotary encoder detection A
for volume I5.05.05.0
70 EXT MUTE Not connected - - - -
71 PANEL IN Front panel detection I 4.9 4.9 4.9
72 BATT Battery level detection I 4.6 4.6 4.6
73 RDS DATA RDS (Radio Data System)
data I2.5 0 0
74 CDC REM
OUT Remote control for CD
changer O000
75 HUB-TX Transmission data to Hub O 0 0 0
76 HUB-RX Reception data from Hub I 0 0 0
77 USB RXD Serial data to USB O 0 0 0
78 USB TXD Serial data from USB I 0 0 0
79 FM MODE Power supply control for
FM mode O4.9 0 0
80 AM MODE Power supply control for
AM mode O04.90
81 MONO Monaural control O 0 0 0
82 ST FM stereo indication I 5.1 5.1 5.1
83 DI/DO Not connected - - - -
84 CS Not connected - - - -
85 SK Not connected - - - -
86 NC Not connected - - - -
87 VREG Connected to capacitor - 3.0 3.0 3.0
88 VSS Ground - 0 0 0
89 VDD (PLL) +5V power supply - 5.0 5.0 5.0
90 OSC FM/AM FM/AM local oscillation fre-
quency I1.41.41.4
91 NC Ground - 0 0 0
Pin
No Port Description I/O Vol [V]
FM AM CD