Read Panasonic KX-UDT111RU (serv.man3) Service Manual online
54
KX-UDT111RU
16 Exploded View and Replacement Parts List
16.1. IC Data
16.1.1. IC1(APU)
Pin No.
Terminal Name
I/O Setting
Pull-up/down
Processing
Contents of Control
Remark
1
DOUBCAPP2
-
-
DOUBCAPP2
-
2
DOUBCAPN1
-
-
DOUBCAPN1
-
3
DOUBCAPP1
-
-
DOUBCAPP1
-
4
DOUT3V0
-
-
[ 3.0v ]
Power supply
5
DOUT4V5
-
-
GND
-
6
DOUT2V5/DCIN0/LIN0
A.I
-
VBG (BandgapTune)
Vandgap tune
7
LEDSINK2/DCIN1
A.I
-
CHG_CUR
for charge current calculation
8
DCIN2
A.I
-
NC
-
9
DCIN3/LIN1
A.I
-
VBAT_MON
Vbat monitor signal
10
LEDSINK1/PWM1
D.O
-
CHG_CTRL
for charge amount calculation
11
VREF
-
-
VREF
-
12
VCCA
-
-
[ VCCA ]
Power supply
13
MIN
A.I
-
MIC-
Microphone signal negative
14
MIP
A.I
-
MIC+
Microphone signal positive
15
HSMIN
A.I
-
HEADSET_MIC-
Headset Microphone signal negative
16
HSMIP
A.I
-
HEADSET_MIC+
Headset Microphone signal positive
17
MPWR
-
-
MIC BIAS
Power supply to Microphone
18
SPOUTP
A.O
-
Speakerphone_SP+
Speakerphone signal positive
19
VCCPA
-
-
[ VCCPA ]
Power supply
20
SPOUTN
A.O
-
Speakerphone_SP-
Speakerphone signal negative
21
HSSPOUTP
A.O
-
RECEIVER+
Receiver signal positive
22
LOUT
A.O
-
RECEIVER-
Receiver signal negative
23
PWM0
D.O
-
VIB_CTRL
Vibration control signal
24
DCINS
A.I
-
CHG_DET
Charage Detect signal
25
XOUT
-
-
XOUT
connect to crystal (13.824MHz)
26
XIN
-
-
XIN
connect to crystal (13.824MHz)
27
VDD_APU
-
-
[ VDD_APU ]
Power supply
28
VBAT_APU
-
-
[ VBAT_APU ]
Power supply
29
VDD_IF
-
-
[ VDD_IF ]
Power supply
30
VCC_FE_IF
-
-
[ VCC_FE_IF ]
Power supply
31
VCC_PA
-
-
VCC_PA
Power supply
32
BAL_OUT2
-
-
BAL_OUT2
Balun output
33
BAL_OUT1
-
-
BAL_OUT1
Balun output
34
TX_SW
-
-
TX_SW
RF TX Data
35
ANT1
-
-
ANT1
Antenna 1 signal
36
GND_RF
-
-
GND_RF
-
37
ANT2
-
-
ANT2
Antenna 2 signal
38
TEST
-
-
Not in use (open)
-
39
RX_SW
-
-
RX_SW
RF RX Data
40
LNA_INN
-
-
LNA_INN
RF RX Data to Low noise Amplifier
41
LNA_INP
-
-
LNA_INP
RF RX Data to Low noise Amplifier
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