RF_DIO
RF_CS_TX
SC
LK
XIN16M
M
C
LK
RF_CE_RX
FIDC
LR
C
LK
RF_DCLK
RF_PEN
RF_SCLK
RF_SI
RF_SO
R
ST
HMX6026E1_TX
XIN16M
STATE4
HMX6026E1_RX
+2.5V
+2.5V
3.3V
3 3V
3.3V
3.3V
RF_CE_RX
RF_CE_TX
RF_DIO
RF_DCLK
RF_SCLK
RF_PEN
RF_SI
RF_SO
CLK_16M
CODEC_TX
LRCLK
SCLK
MCLK
DC3.3V_POWER
AUDIOL-IN
AUDIOR-IN
R97
18K1%
R97
18K1%
NC
1
NC
2
NC
3
GND
4
SDA
5
SCL
6
TEST
7
VCC
8
U6
AT24C01/SOIC-8/NC
U6
AT24C01/SOIC-8/NC
C8
20pF
C8
20pF
C4
470pF
C4
470pF
C46
20pF
C46
20pF
Q2
2N3906
Q2
2N3906
1
TP18
TP18
1
TP16
TP16
1
TP8
TP8
Y2
32.768KHz
Y2
32.768KHz
R7
1K/NC
R7
1K/NC
R98
100K
R98
100K
R96
18K1%
R96
18K1%
C9
20pF
C9
20pF
P1_0
1
P1_1
2
SM_1
3
SM_0
4
VSS25
5
VDD25
6
P3_6
7
XI32K
8
XO32K
9
CLK_SYN
10
P3
_3
11
P3
_2
12
P3
_1
13
P3
_0
14
CO
DE
C_
EN
15
M
C
LK
16
SC
LK
17
LR
C
LK
18
VS
D
I_
AS
D
I
19
SD
O
20
VDD33
21
XI16M
22
XO16M
23
CLK_16M
24
VSS33
25
RF_SO
26
RF_SI
27
RF_SCLK
28
RF_PEN
29
RF_DCLK
30
R
F_
D
IO
31
R
F_
C
S_
TX
32
RC_CE_RX
33
RF_TRX
34
PO
R
_N
35
LE
D
_O
N
36
FI
D
C
37
P1
_4
38
P1
_3
39
P1
_2
40
G
N
D
41
U4
HMX6026E1
U4
HMX6026E1
1
TP2
TP2
1
TP6
TP6
Y1
16M+0/-10ppm/HC-49S
Y1
16M+0/-10ppm/HC-49S
1
TP1
TP1
1
TP12
TP12
1
TP4
TP4
R23
100k
R23
100k
1
TP7
TP7
1
TP5
TP5
R59
10M
R59
10M
R60
1M
R60
1M
C5
1uF
C5
1uF
C83
1uF/NC
C83
1uF/NC
C10
0.1uF
C10
0.1uF
C3
1uF
C3
1uF
C43
20pF
C43
20pF
1
TP3
TP3
C11
20pF
C11
20pF
R8
1K
R8
1K
D7
KDV202E-B
D7
KDV202E-B
C44
30pF
C44
30pF
1
2
3
4
5
6
7
8
9
10
11
J11
1.5mmX11pin
J11
1.5mmX11pin
C7
20pF
C7
20pF
Main Unit--Radio Transmit Board Circuit Diagram
16-1
16-1