74
KX-TG3721BX/KX-TG3722BX/KX-TGA371BX
14.2. Schematic Diagram (Base Unit_Main)
NC: No Components
KEYS_C
SPI_DI
SPI_DO
SPI_CLK
TAM_CSn
SCL2
TAM_WP
TAM_CSn
SPI_DI
SPI_CLK
SDA2
PF_SUP
LCD_RST
SPI2_DO
LCD_CD
LCD_CS
KEYS_D
KEYS_C
KEYS_E
KEYIN1
KEYIN3
KEYIN2
SPI_DO
KEYS_E
KEYS_D
KEYIN1
KEYIN2
KEYIN3
SPI2_CLK
EEP_WP
TAM_WP
ACFL
MSG_LED
ANS_LED
LCD_BLTL
LCD_BLTR
LCD_BLTL
LCD_BLTR
R602
560
R604
560
R601
3.3k
R606
10k
R603
560
C508
1u
+3.0_CP2
C507
1u
+3.0_CP
RA501
220
1
2
3
4
JTAG
R506
100
GND
R504
10k
C522 NC
UTX
URX
R505
1k
C521
NC
C478
10p
C477
10p
SPN
SPP
C472 10p
C473 10p
RSTN
+3.0_CP2
R503
NC
C505 0.1u
C506
2.2u
C510
NC
C511 1u
C512
NC
+3.0V
R508
10
C513
0.1u
C603 0.01u
C602
NC
C601
0.1u
KEYS_E
LCD_SID
LCD_CD
NC
ANS_LED
LCD_BLT2
L661
NC
C662
NC
LCD_VDD
LCD_SCL
NC2
C654
NC
MSG_LED
C665
NC
C664
NC
C651
NC
L664
NC
KEYS_C
LCD_CS
LCD_BLT1
C653
NC
KEYS_D
KEYIN3
LED_VDD
LCD_GND
L665
NC
C657
NC
C666
NC
C655
NC
C656
NC
C652
NC
KEYIN1
C663
NC
KEYIN2
LCD_RST
+3.0_CP2
L662
NC
L663
NC
+3.0_CP2
RA653
1k
1
2
3
45
6
7
8
R665
10k
R502
3.3k
C661
0.1u
Q601
D473
NC
A K
D472
NC
A K
C474
2200p
C475
2200p
R605
47k
R507
100k
+1.8V
STM/CKM/P15
VDD5
VDD4
+1.8V
R671
47k
R672
47k
R673
47k
RA652 1k
1
2
3
4
6
7
8
RA651 1k
1
2
3
4
5
5
6
7
8
R474
1
R475
1
C476
150p
C479
150p
C509 2.2u
R517
47k
R516
47k
+3.0_CP2
R668
560
IC601
8M FLASH
1 *CS
2 DO/IO1
6
CLK
7
*HOLD/IO3
3 *WP/IO2
8
VCC
4 GND
5
DI/IO0
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
+3.0V
Q653
1
2
3
4
5
WBX02
AP1
10pin
PARALLEL WIRE
WBX01
AP1
10pin
PARALLEL WIRE
SI0
LE
R607
10k
10
1
1
10
IC501
(1)
(2)