5
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No. Pin Name
I/O
Purpose / Description
Processing Operation
45
I2C-SDA
I/O
Control of CD mechanism
E VOL and E2P ROM input / output data for CD mechanism
46
NC
O
-
Connected to GND
47
I2C-SCL
I/O
Control of CD mechanism
E VOL and E2P ROM input / output clock signal for
CD mechanism
48
DMA-SCL
I/O
Control of input/output clock for external ROM
NC
49
DMA-SDA
I/O
Control of input/output data for external ROM
NC
50
JS TYPE1
I
Mode change of Chastity model or on the market model
L : On the market model
51
JS TYPE2
I
Mode change of Chastity model or on the market model
L : On the market model
52
/CD/MP3
I
Mode change for destination
L : DPX-3030 H : DPX-MP4030
53
TYPE1
I
Mode change for destination
L : M type H : K type
54
TYPE2
I
Mode change for destination
L : K type H : M type
55
TYPE3
I
Mode change for destination
L : ALL MODEL
56
MS-MODE
O
Blank detection mode control of TAPE function
L : FF/REW H : PLAY (to IC201, 20PIN)
57
C-F/R
O
Playback head switching control output terminal
L : FORWARD H : REVERES (to IC201, 19PIN)
58
/MTL
O
Playback equalizer control
L : 70usec H : 120usec
59
C-MUTE
O
Muting for cassette
L : MUTE OFF H : MUTE ON (to IC201, 17PIN)
60
DOLBY
O
Dolby NR SW
L : NR OFF H : NR ON (to IC201, 16PIN)
61
/MS IN
I
Blank detection input terminal
Blanc of music : H found in music : L (from IC201,
14PIN)
62
PLL CE
O
Control of PLL IC
CE signal output for PLL IC (to IC151, 2PIN)
63
PLL DI
I
Control of PLL IC
Data signal input form PLL IC (to IC151, 5PIN)
64
PLL DO
O
Control of PLL IC
Data signal output for PLL IC (to IC151, 3PIN)
65
PLL CLK
O
Control of PLL IC
Clock signal output for PLL IC (to IC151, 5PIN)
66
/SD/ST-IND
I
F/E SD, ST-IND input terminal
SEEK function H : receive the radio station,
Tuner mode H : MONO L : Stereo
67
CD-SW2
I
Control of CD mechanism
12cm DISC EJ END detection form CD mechanism
68
CD-SW1
I
Control of CD mechanism
LOADING START SW detection form CD mechanism
Control of muting signal from CD mechanism
L : RESET
Control of CD mechanism (for CD STOP mode)
H : PLAY L : STOP
Detection of 8cmDISC EJ END SW input
(form CD mechanism)
Detection of down limit SW input (form CD mechanism)
LO/EJ SW input/output control signal (from CD mechanism)
To motor driver SW output
76
/AMP-MUTE
O
Control of power pack IC for muting mode
L : MUTE ON (to IC501 : 22PIN)
77
AMP-SVR
O
Control of power pack IC for SVR mode
Control of pop noise for Power pack IC
(power ON/OFF function)
78
/AMP-STBY
O
Control of power pack IC for standby mode
L : Standby H : AMP ON (to IC501, 4PIN)
79
DSP-DATA
O
Control of DSP
Data output for DSP IC (to IC331, 5PIN)
80
DSP-STB
O
Control of DSP
Strobe signal for DSP IC (to IC331, 4PIN)
81
DSP-CLK
O
Control of DSP
Clock signal for DSP IC (tor IC331, 3PIN)
82
SA-MUTE
O
Muting for spectrum analyzer input signal
NC
DPX-3030/MP4030
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