- 5 -- 5 -
- 5 -- 5 -
- 5 -
M335/M235M335/M235
M335/M235M335/M235
M335/M235
1 RDS_CLK I NC
2 B/U DET I B/U detecting terminal
3 LCD SI I Serial data communication line to
LCD Control IC
4 LCD SO O Serial data communication line to
LCD Control IC
5 LCD SCK O Serial data communication line to
LCD Control IC
6 LCD CE O Serial data communication line to
LCD Control IC
7 REM_DET I While protecting circuit motion, it is
at ‘HI’
8NC -NC
9NC -NC
10 NC - NC
11 VOL-CW I Use for rotary volume
12 VOL-CCW I Use for rotary volume
13 NC - NC
14 NC - NC
15 ST O Usually input ‘ST’ lights at ‘LO’;
always at ‘HI’ during seeking
16 SD/ST_IND 1 While AM/FM SD in, ST is ‘0’
17 FM_DX/LO O NC
18 AM_DX/LO O NC
19 RDS_ON O NC
20 RDS_DATA I NC
21 RDS_MUTE O NC
22 MUTE_SPEED O NC
23 KEY A/D I FUNC/EJECT/DCP detection
terminal for A/D converter
24 TEST I For Test Mode purpose
25 RDS-SMETER I NC
26 RDS-NOISE I NC
27 AVDD - VDD
28 RDS DISCHG O NC
29 NC - NC
30 NC - NC
31 NC - NC
32 AVSS - GND
33 CPU_REG - Regulator terminal for CPU power
supply
34 VDD - Power supply terminal
35 OSC_REG - Power supply regulator terminal
for oscillator
36 X_OUT - X-TAL 4.5MHz
37 X_IN - X-TAL 4.5MHz
38 GND - GND
39 L/M O NC
40 GND - GND
41 AM_IF_CNT I AM IF counter
42 FM_IF_CNT I FM IF counter
43 VDD - VDD
44 FM_OSC I FM VCO input terminal
45 AM_OSC I AM VCO input terminal
46 GND - GND
47 FM_VT O FM PLL VT
48 AM_VT O AM PLL VT
49 GND - GND
Pin No PIN NAME I/O DESCRIPTION
EXPLANATION OF IC
uPD178078GF-602-3BA 052-1934-10
Master Micro computer
Outward Form
100 pins, plastic QFP
Terminal Description
50 RESET I Reset port
51 ACC DET I ACC detecting terminal
52 REMOCON I Remote control
53 B/L + B O While ACC is on, it is at ‘HI’
54 PHONE AUDIO I NC
55 CS1 I Destination selection setting. Refer table 1
56 CS2 I Destination selection setting. Refer table 1
57 IF_REQ O During seeking, it is at ‘HI’. While
detecting RDS SD, it is at ‘LO’
58 OFFSET DET I Offset detect terminal
59 STANDBY O PowerAmp IC control terminal
60 A-ANT_ON O While RADIO Mode, it is at ‘HI’
61 REM_ON O While Power on, it is at ‘HI’
62 REM 5V O REM 5V power supply control
terminal
63 SYS_MUTE O Output mute. While it is ‘LOW’,
mute is ‘ON’
64 FM ON O While ‘LO’ = AM and ‘HI’ = FM
65 AM ON O While ‘HI’ = FM and ‘LO’ = FM
66 CD_5V_REM - CD power supply control terminal
+ 5V
67 NC - NC
68 NC - NC
69 NC - NC
70 NC - NC
71 NC - NC
72 NC - NC
73 NC - NC
74 NC - NC
75 VOL_CLK O E-VOL use
76 VOL_DATA O E-VOL use
77 CD_8V_REM O CD power supply control terminal
+ 8V
78 KEY_INT I When this terminal turns low, key
A/D terminal detects the key
pushed
79 SBSY I Connected to CD MECH
80 PHONE_INT I NC
81 NC - NC
82 GND - GND
83 NC - NC
84 TR-B I Mechanical photo sensor input terminal.
Terminal to detect the disc. Position in
loading status, chucking status and
another machine status. With disc, ‘H’
is input, without disc ‘L’ is input.
85 S-STOP I Mechanical photo sensor input terminal.
Terminal to detect the disc. Position in
loading status, chucking status and
other machine status. With disc, ‘H’
is input, without disc ‘L’ is input.
86 RST O CD MECH reset port
87 BUCK O CD MECH data bus clock
88 Z-MUTE O Zero mute for CD MECH (Active
High)
89 D_OUT I NC
Pin No PIN NAME I/O DESCRIPTION