IC,MN101C439-AB1
Pin No.
Pin Name
I/O
Description
1 ~ 4
NC
-
Not connected.
5 ~ 7
VLC3 ~ 1
-
LCD Voltage divider resistor3 ~ 1 (Not used.)
8
VDD
-
Micro-computer power voltage (2.8 V).
9
OSC2
O
Main clock oscillator (4.2336 MHz).
10
OSC1
I
Main clock oscillator (4.2336 MHz).
11
VSS
-
Micro-computer GND.
12
XI
I
Sub clock input GND (Not used).
13
XO
O
Sub clock output (Not used).
14
MMOD
I
Memory mode switch input (Single chip mode).
15
VREF-
-
A/D converter GND.
16
K-FUNC
I
Function key input.
17
AN1
I
Connected to GND.
18
AC IN
I
AC adaptor detection terminal.
19
VD IN
I
Battery voltage measuring terminal.
20
K-RMC
I
Wired remote control input terminal.
21
SWD0
I
Digital out “ON/OFF” input (Not used).
22
SWEASS
I
EASS mode. SW input terminal.
23
SWR/H
I
RESUME/HOLD SW input terminal.
24
VREF+
-
Connected to VDD.
25
SWIL
I
Limit SW input.
26
PC
I
CD servo driver power OFF output. “L” power OFF.
27
CD-RW
O
CD-RW PLAYBACK gain up seletion output. “H” = Gain up.
28
CD-RW
O
CD-RW PLAYBACK gain up seletion output. “L” = Gain up.
29
SUBQ
I
DSP sub-code Q input.
30
SQCK
O
DSP sub-code clock output.
31
BEEP
O
Buzzer output for headphone.
32
RST
-
Micro-computer reser input.
33
NRST
O
DSP RESET output.
34
STAT
I
DSP STAT input.
35
MLD
O
DSP MLD output.
36
MDATA
O
DSP MDATA output.
37
MCLK
O
DSP BLKCK input.
38
BLKCK
I
DSP BLKCK input.
39
RSENSOR
I
Connected to GND.
40
CDCONT
I
CD/Tuner mode input.
41
IRQ3
I
Not connected.
42
PU-ON
O
H/A power down output.
43
EASSON
O
Gain up in EASS selection output. EASS on = “L”
44
DSL2
O
Not used.
45
DSL1
O
Not used.
- 17 -
IC DISCRIPTION
Summary of Contents for XP-R210 AHA
Page 9: ...SCHEMATIC DIAGRAM 1 MAIN 9...
Page 12: ...SCHEMATIC DIAGRAM 2 LID 12...
Page 13: ...13 IC BLOCK DIAGRAM...
Page 14: ...14...
Page 15: ...LCD DIAGRAM 15...
