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KX-TGH260/KX-TGH262/KX-TGH263/KX-TGH264/KX-TGHA20/KX-TGA20
14.2. Schematic Diagram (Base Unit_Main)
14.2.1.
KX-TGH260
SP Phone Rx
VDD4: 3.0V
VDD5: 3.0V
RF_Rx
RF_Tx
BT headset Rx
Cell Phone Tx
BT headset Tx
Cell Phone Rx
SHORT
SHORT
SHORT
SHORT
SHORT
SHORT
BT_RST
SPI_DO
SPI_CLK
TAM_CSn
I2C_SCL
CHARGE_DET
I2C_SDA
SPI_DI
TAM_CSn
PCM_FSC
PCM_DI
PCM_CLK
PCM_DO
BT_RST
PCM_CLK
PCM_DI
PCM_DO
PCM_FSC
CELL2_LED
CELL1_LED
HS_LED
BT_URX
SPI_DI
KEYIN3
KEYIN2
KEYIN1
KEYS_E
KEYS_D
KEYS_C
SPI_CLK
SPI_DO
KEYS_D
KEYIN3
KEYIN2
KEYIN1
KEYS_C
KEYS_E
ANS_LED
CELL2_LED
HS_LED
CELL1_LED
MSG_LED
BT_UTX
BT_URX
BT_UTX
BT_EN
R601
3.3k
+3.0_CP
R505
1k
C472
10p
C473
10p
BT_URX
BT_GND
BT_TDO
BT_UTX
C721
0.1u
BT_SOT
BT_MDO
BT_SIO
+1.8V_BT
C505
0.1u
+3.0V
C513
0.1u
C601
0.1u
KEYIN1
KEYS_D
KEYIN2
LED_VDD
HS_LED
MSG_LED
WBX01
AP1
12pin
PARALLEL WIRE
KEYS_C
KEYIN3
KEYS_E
CELL1_LED(G)
CELL2_LED(G)
+3.0V
ANT_TP-BT
1
2
STM/CKM/P15
IC501
33
34
NTC/ADC2
35
SOCp
36
SOCn
37
MIC2n
38
MIC2p
39
CHARGE_CTRL
40
P1_7/CHARGE
41
DP1/PAOUTp/P3_1
42
VDD_PA
43
DP0/PAOUTn/P3_0
44
P4_5
45
P4_6
46
P4_7
47
CP_VBAT1
48
CP_C1x
49
CP_C2x
50
CP_C1y
51
CP_VBAT2
52
CP_C2y
53
CP_VOUT1
54
CP_VOUT2
55
PON/P1_6
56
VDD2
57
P2_7/BXTAL
58
P1_5/INT5/RDI/VDDE
59
P1_4/INT4/TDOD
60
P1_3/INT3/SIO
61
P1_2/INT2/SK
62
P1_1/INT1/LE
63
P2_6/WTF_IN
64
P5_0
65
P5_1
66
P5_2
67
P5_3
68
P5_4
69
P0_7/SPI_DI/PWM1
70
P0_6/SPI_DO
71
P0_5/SPI_CLK
72
P0_4/SPI_EN
73
P0_3/SCL2/URX2
74
P0_2/SDA2/UTX2
75
P0_1/URX/PWM0
76
P0_0/UTX
77
RSTn
78
JTAG
79
P2_5/PCM_FSC/SF
80
P2_4/SCL1/PCM_DO/DP3
81
P2_3/SDA1/PCM_DI/DP2
82
P2_2/PCM_CLK/CLK100
83
P5_5
84
WLED_CUR_0
85
WLED_CUR_1
86
WLED_CUR_2
87
P2_1/ECZ2/PWM1/LED4
88
P2_0/ECZ1/PWM0/LED3
Q731
RA601
560
1
2
3
45
6
7
8
C508
1u
C506
2.2u
C512
1u
IC611
128K EEPROM
1
A0
2
A1
3
A2
4
GND
SPN
RSTN
VDD4
VDD5
SPP
R502
3.3k
RF_RXn
GND
OJ2
RF_RXp
GND
ANT1_TP
12
C859
10p
OJ1
OJ5
RF_TXp
OJ4
RF_TXn
GND
GND
+3.0V
OJ3
GND
ANT1-S-GND
BT_TMS
BT_TCK
BT_1.8V
D473
NC
D472
NC
L781
4.7n
C477
2200p
C478
2200p
RA501
220
1
2
3
4
+3.0_CP2
IC722
1
CE
2
GND
3
VOUT
4
VDD
+3.0_CP2
C509
1u
RA655
100
1
2
3
4
5
6
7
8
+1.8V_BT
IC601
16M FLASH
1
*CS
2
DO/IO1
6
CLK
7
*HOLD/IO3
3
*WP/IO2
8
VCC
4
GND
5
DI/IO0
+1.8V_BT
C723
1u
C722
1u
RA651
1k
1
2
3
4
5
6
7
8
RA652 1k
1
2
3
4
+3.0V
ANS_LED
IC721
BT Module
15
GND4
20
GND8
21
GND9
22
GND10
23
GND11
24
PIO1
29
SIO0/PIO5
30
SOT0/PIO6
31
PCM_IN
32
PCM_CLK
4
GND2
5
MD0
6
RX
7
GND3
8
X0/PIO3
12
TMS
13
TCK
14
RESETB
17
GND6
18
GND7
19
RF
26
GND12
27
1.8V
28
GND13
1
GND1
2
PCM_SYNC
3
PCM_DOUT
9
TX
10
TDO
11
RESETC
16
GND5
25
PIO2
IC721
BT Module
33
PIO7
34
PIO8
40
PIO14
41
PIO15
35
PIO9
42
PIO16
36
PIO10
39
PIO13
37
PIO11
38
PIO12
R731
100k R732
220k
R477
1
R478
1
D474
NC
L1
NC
L2
NC
ANT1
GND
C651
NC
C652
NC
C653
N
C
C654
N
C
C655
NC
C656
NC
C657
N
C
C658
N
C
C659
N
C
C660
N
C
C661
N
C
1
2
6
7
9
11
3
4
8
10
5
2
1
R653
0
C662
N
C
C851
10p
URX
UTX
GND
JTAG
ANT1-Short
Q651
NC
R654
NC
+1.8V
Q732
R733
100k R734
220k
R735
22k
R721
10k
OJ6
ANT_BT_short
ANT_BT-S-GND
C860 0.7p
C862 2.4p
BT BLOCK
1
12
open-stub
SL
W=2.0mm
L=10.8mm
SL
W=0.2mm
L=20.0mm
TX-balun
SL
W=0.3mm
L=39.0mm
RX-balun
SL
W=0.175mm
L=3.6mm
S=0.125mm
open-stub
SL
W=2.2mm
L=5.0mm
open-stub
SL
W=0.6mm
L=20.0mm
MSL
W=0.25mm
L=2mm
50 ohm line
L=4mm
SL
W=0.3mm
L=6.95mm
open-stub
SL
W=2.9mm
L=2.8mm
MSL
W=0.25mm
L=2mm
LPF
*open-stub
$N>l9g
SLx2
W1=0.2mm
L1=3.3mm
W2=0.7mm
L2=5.0mm
SL
W=0.3mm
L=6.5mm
MSL
W=0.25mm
L=5mm
MSL
W=0.25mm
L=5mm
RF
50 ohm line
total L=4mm
open-stub
SL
W1=0.2mm
L1=3.0mm
W2=0.7mm
L2=4.3mm
(1)
(2)
(5)
(6)
(7)
(8)
(9)
(3)
(4)
(10)
(11)
BT headset Rx
Cell Phone Tx
BT headset Tx
Cell Phone Rx