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QQ
IC, MN101C439-AK
3 7 63 1515 0
Pin No.
Pin Name
1 ~ 7
NC
8
VDD
9
OSC2
10
OSC1
11
VSS
12
XI
13
XO
14
MMOD
15
VREF-
16,17
NC
18
ACIN
19
VDIN
20
NC
21
SWHO
22
SWEASS
23
SWRE
24
VREF+
25
MDATA
26
STAT
TE
27
MCLK
L 13942296513
28
TU-TXD
29
TU-RXD
30
TU-CLK
31
BEEP
32
RST
33
NRST
34
SW-IL
35
PC
36
CD-RW
37
MLD
38
BLKCK
39
NC
40
NC
41
TU CS
42
PU-ON
43
EASSON
44
NC
45
CD-DATA-REQ
www
46
NC
47
NC
.
http://www.xiaoyu163.com
I/O
-
Not connected.
-
Micro-computer power voltage (2.8 V).
-
Not used.
I
Main clock oscillator (8.4 MHz).
-
Micro-computer GND.
I
Sub clock input. (Connected to GND)
O
Sub clock output. (Not used)
I
Memory mode switch input. (Connected to GND)
-
A/D converter GND.
-
Connected to GND.
I
AC adaptor detection terminal.
I
Battery voltage measuring terminal.
-
Connected to GND.
I
HOLD/RESUME SW input. "L"=HOLD/RESUME ON.
I
EASS mode SW input terminal.
I
RESUME SW input. "L"=RESUME ON.
-
AD converter supply.
O
DSP MDATA output.
I
DSP STAT input.
O
DSP MCLK output.
O
Tuner Micon data output.
I
Tuner Micon data input.
I
Tuner CLK input.
O
Buzzer output for headphone.
I
Micro-computer reset input.
O
DSP RESET output.
I
Pickup inner circumference limit SW.
O
CD servo driver power OFF output. "L" power OFF.
O
Switch CD / CD RW and LD ON.
O
DSP MLD output.
I
DSP BLKCK input.
-
Connected to GND.
-
Connected to GND.
I
Tuner CS input.
O
RF AMP power down output.
O
Gain up in EASS selection output. EASS ON = "L", OFF = "H".
-
Not connected.
O
CD tuner data request output.
-
Not connected.
x
ao
u163
y
-
Not connected.
i
http://www.xiaoyu163.com
2 9
8
Description
Q Q
3
6 7
1 3
1 5
co
.
– 20 –
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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