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IC DISCRIPTION
IC,MN101C439-AB1
Pin No.
Pin Name
1 ~ 4
NC
5 ~ 7
VLC3 ~ 1
8
VDD
9
OSC2
10
OSC1
11
VSS
12
XI
13
XO
14
MMOD
15
VREF-
16
K-FUNC
17
AN1
18
AC IN
19
VD IN
20
K-RMC
21
SWD0
22
SWEASS
23
SWR/H
24
VREF+
25
SWIL
26
PC
27
CD-RW
28
CD-RW
29
SUBQ
30
SQCK
31
BEEP
32
RST
33
NRST
34
STAT
35
MLD
36
MDATA
37
MCLK
38
BLKCK
39
RSENSOR
40
CDCONT
41
IRQ3
42
PU-ON
43
EASSON
44
DSL2
45
DSL1
I/O
-
Not connected.
-
LCD Voltage divider resistor3 ~ 1 (Not used.)
-
Micro-computer power voltage (2.8 V).
O
Main clock oscillator (4.2336 MHz).
I
Main clock oscillator (4.2336 MHz).
-
Micro-computer GND.
I
Sub clock input GND (Not used).
O
Sub clock output (Not used).
I
Memory mode switch input (Single chip mode).
-
A/D converter GND.
I
Function key input.
I
Connected to GND.
I
AC adaptor detection terminal.
I
Battery voltage measuring terminal.
I
Wired remote control input terminal.
I
Digital out "ON/OFF" input (Not used).
I
EASS mode. SW input terminal.
I
RESUME/HOLD SW input terminal.
-
Connected to VDD.
I
Limit SW input.
I
CD servo driver power OFF output. "L" power OFF.
O
CD-RW PLAYBACK gain up seletion output. "H" = Gain up.
O
CD-RW PLAYBACK gain up seletion output. "L" = Gain up.
I
DSP sub-code Q input.
O
DSP sub-code clock output.
O
Buzzer output for headphone.
-
Micro-computer reser input.
O
DSP RESET output.
I
DSP STAT input.
O
DSP MLD output.
O
DSP MDATA output.
O
DSP BLKCK input.
I
DSP BLKCK input.
I
Connected to GND.
I
CD/Tuner mode input.
I
Not connected.
O
H/A power down output.
O
Gain up in EASS selection output. EASS on = "L"
O
Not used.
O
Not used.
Description
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