Panasonic KX-TD7685 Service Manual page 67

Pin Terminal Name
No.
40 VDDE/INT5n/P1[5]
41 SCL2/P3[0]
42 SDA2
43 VSS
44 VDD
45 P2[0]/PWM0/SPIDI
46 P2[1]/PWM1/SPICLK
47 P2[2]/ADC0/CLK100
48 P2[3]/ADC1
49 P2[4]/SCL1
50 P2[5]/SDA1
51 P2[7]/DC_CTRL/
SPIDO
52 DC_I
53 P1[6]/INT6n/PON
54 P1[7]/INT7n/CHARGE I
55 P2[6]/charge stop
56 VBAT3/RINGING
57 DC_stab
58 DC_Sense
59 AVS_sense
60 ADC3
61 LDO1_sense
62 LDO1_CTRL
63 LDO2_CTRL
64 VBAT2
65 VBAT1
66 AVS2
67 AVD2
68 LSR+/REF
69 LSR-/REF
70 LSR_HS/CIDIN-
71 VREF_HS/CIDOUT
72 MIC-
73 VREF-
74 VBUF
75 AGND
76 MIC+
77 VREF+/CIDIN+
78 RSTN
79 VDDIO
80 VSS
I/O Setting Pull-up/down Pro-
cessing
O -
O -
O -
- -
- -
O -
O -
O -
O -
O -
O -
O Pull-down (Built-in) Not in use (open)
I -
I Pull-down (Built-in) PON
Pull-down (Built-in) CHARGE
O -
I -
O -
I -
I -
I -
I -
O -
O -
I -
I -
- -
- -
O -
O -
O -
O -
I -
O -
O -
O -
I -
O -
I Pull-up (Built-in)
- -
- -
Contents of Control
COL0
Not in use (pull up)
Not in use (pull up)
Ground
1.8V supply for core
PWM0
Chip select
Reset signal
Chip select
SCL1
SDA1
Not in use (GND)
charge_stop
VBAT3
Not in use (open)
Not in use (GND)
AVS_sense
ADC3
LDO1_sense
LDO1_CTRL
LDO2_CTRL
VBAT2
Not in use (GND)
Ground
1.8V supply for core
LSR+
LSR-
LSR_HS
Not in use (open)
Not in use (open)
Ground
VBUF
Ground
MIC+
VREF+
RSTN
2.7V supply for I/O
Ground
67
KX-TD7685
Remark
For Key detect
-
-
-
-
Key click sound
1: LCD chip select
0: LCD & IC301 reset
0: IC301 chip select
Sync clock(1.152MHz) for LCD & IC301
Serial data for LCD & IC301
-
-
1: Power on
1: Charge detect
1: Charge OFF
-
-
-
Charge current measurement
Charge current measurement
2.7V control signal
2.7V control signal
1.8V control signal
-
-
-
-
Audio signal to Receiver & Headset
Audio signal to Receiver
Audio signal to Speaker
-
-
-
-
-
Microphone signal input
Microphone reference(1.5V output)
0: reset
-
-