Schematics
MODSCK
L3
SCLK
C106
RSTN
R80
SDATAI
R94
Q9
C24
R87
C88
EP7
C6
C21
EP14
R13
C119
R24
R1
C42
D11
HC36
PLSDO
C134
L23
C34
C5
C137
PLSCK
C114
R6
R79
EP6
R2
R76
C50
L13
RFPWR
C30
EP4
HV
EP15
R77
PDET
C35
EP5
R81
C76
R75
C87
R14
C146
IC6
1
Vcc3p3
2
Bypass1
3
Bypass2
4
FSK_DV
5
FSK_D2
6
FSK_D1
7
FSK_D0
8
NC
9
Vcc3p3
10
MUXout
11
CLK
12
DATA
13
LE
14
NC
15
VccIO
16
RFoutRx
17
RFoutTx
18
TrCtl
19
CE
20
Vcc3p3
21
VregVCO
22
VrefVCO
23
GND
24
Fin
25
CPout
26
NC
27
Vcc3p3
28
FLout2
29
FLout1
30
CPoutExt
31
GND
32
VccCP5V
33
VccIO
34
OSCin
35
GND
36
OSCin*
37
C17
C99
C103
BFSR0
BDR0
C97
C25
C123
HD9
UNLK
R30 C53
R90
C111
IC10
1
2
3
4
5
MODSDO
1
2
3
4
5
6
7
8
B
C
D
E
F
G
H
I
J
K
L
A
6
Icom Inc.
5
4
ICOM
7
3
MODEL
4
12
X
REVISIONS
10
9
DATE
1
3
2
1
11
CHKD.
7
DWN.BY:
5
2
APPD.
8
DWN.NO.
8
6
C I
D H L
E
G
KA
FB J
M
N
O
P
Q
R
S
T
U
V
W
M
N
O
P
Q
R
S
T
U
V
W
X
C41
+5V
R78
BCLKR0
C23
R84
C100
C150
D13
C143
C138
R57
C156
C13
TEMP
L1
R33
C14
R7
R32
R69
C7
C32
C15
C29
C147
C26
C107
C20
L2
C22
C110
C154
MODFS
C28
R5
D10
CSN
Q7
C122
HC38
Q10
C133
R93
HC40
R86
C49
Q1
R88
C16
C18
C33
C31
C4 C3 C2
C12
3.3VD
HC45
HC46
C51
C63
Q6
C90
C130
R17
C128
C116
HC91
C86
HC109
R63
IC9
1
DA_SCLK
2
DVSS
3
DA_SDI
4
TEST1
5
BIAS2
6
SMFOUT
7
DACVDD
8
VREF1
9
TCXOIN
10
VREF2
11
SYNVSS
12
SYNVDD
13
CPVDD
14
CP
15
SWIN
16
CPZ
17
LODVDD
18
LOIN
19
RFOUT_P
20
RFOUT_N
21
LOVDD
22
VSS
23
DEMIN
24
DEMVDD
25
LNAOUT
26
VSS
27
VSS
28
LNAIN
29
LNACONT
30
LNAVDD
31
BIAS1
32
RXVDD
33
AOUT_P
34
AOUT_N
35
TEST2
36
ADVSS
37
ADVDD
38
VCOM_AD
40
RX_PDN
41
TX_PDN
42
AGC_KEEP
43
CSN
44
SDATAI
45
SCLK
46
SDATAO
47
LD
48
DVDD
49
AD_SCLK
50
AD_SDO
51
AD_FS
52
DA_FS
53
39
RSTN
HC132
L22
R34
C58
C57
C56
C54
R31
C55
HR40
HR41
EP10
R53
C79
EP9
EP8
C48
C47
IC7
1
2
3
4
5
IC8
1
2
3
4
5
C27
R8
C43
R9
R3
S3C
SDATAO
TXC
C160
C163
HC161
HC162
PLCS
HC84
HR35
C139
D14
R98
C165
HC171
HC105
HR99
C174
C124
C157
C159
R96R95
R89
C153
IC15
1
IO0_0
2
IO0_1
3
IO0_2
4
IO0_3
5
IO0_4
6
IO0_5
7
IO0_6
8
IO0_7
9
VSS
10
IO1_0
11
IO1_1
12
IO1_2
13
IO1_3
14
IO1_4
15
IO1_5
16
IO1_6
17
IO1_7
18
A0
19
SCL
20
SDA
21
VDD
22
INT
23
A1
24
A2
25
EP17
C175
KSDA
KSCL
R20
R21
R22
R29
C39
R28
Q4
Q2
R50
R49
R56
R48
R10
R11
HC118
IC5
1
VOUT
2
VSS
3
CE
4
VIN
HIC11
1
VOUT
2
VSS
3
CE
4
VIN
IC1
1
VOUT
2
VSS
3
CE
4
VIN
IC2
1
VOUT
2
VSS
3
CE
4
VIN
IC3
1
VOUT
2
VSS
3
CE
4
VIN
MP2
X2
1
GND
2
GND
3
OUT
4
VCC
X3
1
GND
2
GND
3
OUT
4
VCC
R467
R468
R469
C144
C151
C164
R100
R101
R102
R103
R36
R37
R39
R42
C93
HR105
HR106
R107
R108
R109
R25
R82
R85
HC121
R71
R68
HC102
HR110
C136
HC170
C169
L19
C8
EP18
HC112
C172
C98
R51
C96
L4
C73
C95
L15
D18
D15
C94
L14
L5
C74
C80
L8
L7
L9
R62
R70
D17
D16
C152
L25
MP9
1
2
MP11
1
2
MP4
1
2
3
C129
C89
L6 L40
C72
C75
C70
C67
C185
C186
C187
R54
R52
IC17
3
P2
2
GND
1
P1
6
VCTL1
5
PC
4
VCTL2
R104
R111
R112
C92
R58
L21
L28
C179
L24
C142
L26
R66
R64
L27
MP3
HC355
C66
C141
C145
X1
1
GND
2
GND
3
OUT
4
VCC
HX5
1
GND
2
GND
3
OUT
4
VCC
C148
C149
C155
C166
C359
C140
C358
C60
C61
C68
C64
R12
C69
C62
R97
R92
R59
R61
R60
C85
L12
C81
C19
R16
C65
D6
D7
D8
C77
C78
C176
C178
L31
L10
EP19
C360
MP221
R527
R27
DCSFT_2
X4
1
OE/ST/NC/SD
4
VDD
3
OUT
2
GND
HR126
R123
R124
R125
C158
C135
L18
R65
C131
MP10
1
2
R91
R83
L16
REFSW3
TEMP
MODSCK
TEMP
REFSW1
PDET
PDET
PLSCK
REFSW2
MODFS
UNLK
S3C
MODFS
MODSCK
MODSDO
PLSCK
PLSDO
MODSDO
PLSDO
RFPWR
RX_PDN
TX_PDN
BFSR0
BDR0
BCLKR0
SDATAO
RFPWR
BFSR0
BDR0
BCLKR0
SDATAO
SCLK
SDATAI
CSN
S3C
PLCS
REFSW4
RSTN
TXC
TXC
RFPWR
KSCL
KSDA
RSTN
KSDA
KSCL
UNLK
PLCS
CSN
RX_PDN
APC
REFSW1
REFSW2
REFSW3
TX_PDN
RX_PDN
AK3V AK3V
+5V
3.3VD
3.3VD
3.3VD
REFSW4
SCLK
SDATAI
DCSFT_2
DCSFT_2
T5V
2nd TCXO 51.33M
3.3VD
3rd TCXO 49.50M
VCO/PLL
1st TCXO 50.40M
HV
PLL5V
APC
T5V
T5V
3.3VD
HV
3.3VD
HV
T5V
HV
3.3VD
T5V
APC
3.3VD
PLL5V
3.3VD
HV
+5V
MAIN
HV
Sheet2
2020.06.18
IP730D
T5V
24.576MHz
4th TCXO 51.72M
+5V
HV
PLL3.3V
+5V
SCHEMATIC DIAGRAM