59
KX-PRX120W/KX-PRXA10W
13.2. Schematic Diagram (Base Unit)
NC: No Components
TAM_WP
TAM_WP
KEYIN1
CHARGE_DET
SPI_DI
SPI_DO
SPI_CLK
TAM_CSn
SCL2
SDA2
EEP_WP
KEYIN1
ACFL
PF_SUP
SPI_CLK
SPI_DO
TAM_CSn
SPI_DI
EEP_WP
SCL2
SDA2
C72
100n
C51
100n
R75
NC
R425
NC
ANT2
C854
NC
ANT1
C850
NC
R76
1k
RA402 10k
1
2
3
4
C615
1u
+2.85V
R77
10k
R78
NC
+3.0_CP2
C625
1u
RF_RXp
RF_RXn
R806
220
TXON
RXON
R807
220
C421
10n
R424
0
C422
100n
R426
560
R427
560
R428
560
R429
3.3k
R657
10k
R430
10
C856
100p
C858
100p
C60
100n
CKM
GND_C
HAK_CL1
C803
1.5p
DA802
1
2
3
DA801
1
2
3
C804
1.8p
C802
1.8p
STM
JTAG
RA80
220
1
2
3
4
C823
100p
C423
NC
C851
7p
C853
7p
C811
10p
C855
10p
C809
10p
C822
10p
C812
10p
C825
10p
C857
10p
C631
NC
C630
NC
VDD4
+3.0_CP
RF_TXp
RF_TXn
C618
1u
C805
2.4p
C806
2.4p
L802
4.7n
L803
4.7n
+3.0_CP2
C863
7p
C864
7p
C70
NC
GND
GND
URX
UTX
SW501
NC
1
2
SW502
NC
1
2
+3.0_CP2
+1.8V
ANT_1
ANT_2
R620
100k
Q421
NC
C810
1p
C813
1p
ANT1_TP
12
ANT2_TP
12
VDD5
1 *CS
2
DO/IO1
6
CLK
7
*HOLD/IO3
3 *WP/IO2
8
VCC
4 GND
5
DI/IO0
C616
2.2u
C837 0.9p
C826
10p
C820
0.7p
C808
10p
34
DP1/PAOUTp/P3_1
35
VDD_PA
36
DP0/PAOUTn/P3_0
37
ULP_XTAL
38
CP_C1x
39
CP_C2x
40
CP_C1y
41 VBAT_CP
42 CP_C2y
43 CP_VOUT1
44 CP_VOUT2
45 PON/P1_6
46 VDD1
47 P2_7/BXTAL
48 P1_5/INT5/RDI/VDDE
49 P1_4/INT4/TDOD
50 P1_3/INT3/SIO
51 P1_2/INT2/SK
52 P1_1/INT1/LE
53 P2_6/WTF_IN
54 P0_7/SPI_DI/PWM1
55 P0_6/SPI_DO
56 P0_5/SPI_CLK
57 P0_4/SPI_EN
58 P0_3/SCL2/URX2
59 P0_2/SDA2/UTX2
60 P0_1/URX/PWM0
61
P0_0/UTX
62
RSTn
63
JTAG
64
P2_5/PCM_FSC/SF
65
P2_4/SCL1/PCM_DO/DP3
66
P2_3/SDA1/PCM_DI/DP2
67
P2_2/PCM_CLK/CLK100
1
A0
2 A1
3 A2
4 GND
5
SDA
6
SCL
7
WP
8
VCC
C501
180p
Pre-matching
Balun
BPF
W 0.15mm
L 22+/-4mm
1st or 4th layer
W 0.15mm
L 22+/-4mm
1st or 4th layer
W 0.15mm
L 22+/-4mm
1st or 4th layer
W 0.15mm
L 5.0mm
1st layer
W 0.15mm
L 5.0mm
1st layer
W 0.15mm
L 20+/-2mm
3rd layer
W 0.15mm
L 20+/-1mm
3rd layer
W 0.125mm
L 7.6mm
Gap 0.125mm
1st layer
IC7
IC421
*IC401
(1)
(2)
(3)
(4)
(5)
Rx RF
Tx RF
3.0V
3.0V
3.0V
3.0V