– 20 –
IC, MN101C439-AK
Pin No.
Pin Name
I/O
Description
1 ~ 7
NC
-
Not connected.
8
VDD
-
Micro-computer power voltage (2.8 V).
9
OSC2
-
Not used.
10
OSC1
I
Main clock oscillator (8.4 MHz).
11
VSS
-
Micro-computer GND.
12
XI
I
Sub clock input. (Connected to GND)
13
XO
O
Sub clock output. (Not used)
14
MMOD
I
Memory mode switch input. (Connected to GND)
15
VREF-
-
A/D converter GND.
16,17
NC
-
Connected to GND.
18
ACIN
I
AC adaptor detection terminal.
19
VDIN
I
Battery voltage measuring terminal.
20
NC
-
Connected to GND.
21
SWHO
I
HOLD/RESUME SW input. “L”=HOLD/RESUME ON.
22
SWEASS
I
EASS mode SW input terminal.
23
SWRE
I
RESUME SW input. “L”=RESUME ON.
24
VREF+
-
AD converter supply. (Connected to VDD)
25
MDATA
O
DSP MDATA output.
26
STAT
I
DSP STAT input.
27
MCLK
O
DSP MCLK output.
28
TU-TXD
O
Tuner Micon data output.
29
TU-RXD
I
Tuner Micon data input.
30
TU-CLK
I
Tuner CLK input.
31
BEEP
O
Buzzer output for headphone.
32
RST
I
Micro-computer reset input.
33
NRST
O
DSP RESET output.
34
SW-IL
I
Pickup inner circumference limit SW.
35
PC
O
CD servo driver power OFF output. “L” power OFF.
36
CD-RW
O
Switch CD / CD RW and LD ON.
37
MLD
O
DSP MLD output.
38
BLKCK
I
DSP BLKCK input.
39
NC
-
Connected to GND.
40
NC
-
Connected to GND.
41
TU CS
I
Tuner CS input.
42
PU-ON
O
RF AMP power down output.
43
EASSON
O
Gain up in EASS selection output. EASS ON = “L”, OFF = “H”.
44
NC
-
Not connected.
45
CD-DATA-REQ
O
CD tuner data request output.
46
NC
-
Not connected.
47
NC
-
Not connected.
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Содержание IMPLE-2 XP-R120
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