Schematics

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B
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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
R332
1.8VD
D212
R226
C290
R288
C206
R286
C287
R204
R255
3.3VD
R314
R340
IC205
5
OUT
6
OUT
7
VIN
8
PG
9
EN
10
FB
11
AGND
12
OUT_S
3
NC
4
NC
1
PGND
2
PGND
D219
C203
R293
R302
IC201
1
2
34
5
R281
R338
C296
C210
J207
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21 22
IC212
1
VIN
2
VSS
3
NC
4
CE
5
VOUT
C241
C284
R346
R376
R267
C258
DSCK
R319
L404
D215
R201
SDATAI
IC217
14
Vdd
15
NC
16
NC
1
IO Vdd
2
NC
3
NC
4
SCLK/SCL
5
GND
6
SDI/SDA
7
SDO/ADDR
8
nCS
9
INT2
10
NC
11
INT1
12
GND
13
TRIG
R348
D202
C325
R220
L403
BFSX1
EP203
HV
BCLKR0
C295
R215
CPU3V
BDR0
C247
D216
R268
C207
UNLK
C293
R262
SCLK
C268
C347
R331
L205
BFSR0
C351
C238
J205
10
GND
9
GND
8
GND
7
GND
C1
VCC
C2
RST
C3
CLK
C5
GND
C6
VPP
C7
I/O
R207
CSN
IC206
1
VSS
2
OUT
3
CD
4
VDD
C276
R361
R264
C300
R363
C239
IC202
1
GND
2
SW
3
VIN
4
VFB
5
EN
6
VBST
C273
R506
C291
EP204
C283
R299
R219
C263
D222
C226
R298
D221
R296
J206
10
GND
9
GND
8
GND
7
GND
C1
VCC
C2
RST
C3
CLK
C5
GND
C6
VPP
C7
I/O
C225
DPDN
C237
3.3VD
D207
R335
C316
R269
DMISO
R282
C294
D220
TEMP
C227
C245
C278
CP214
C240
Q204
1 2 3
45
6 7 8
R297
HR366
R329
IC203
1
VOUT
2
VSS
3
CE
4
VIN
R344
R337
C277
R324
CP225
DMOSI
C281
+5V
R321
DRES
DINT
HC201
R200
R365
R350
C266
Q215
EP202
R317
D208
L201
MINT
C232
R233
R320
C215
R382
R351
SDATAO
C343
BCLKR0
C297
R334
R505
CP210
C349
TXC
DSS
CP216
PDET
Q216
R360
D214
L207
S201
1
COM
2
A
3
B
Q217
R364
R222
R210
C299
R367
CP212
C212
R234
CP215
IC207
N3
PA0
N2
PA1
P2
PA2
R2
PA3
N4
PA4
P4
PA5
P3
PA6
R3
PA7
F15
PA8
E15
PA9
D15
PA10
C15
PA11
B15
PA12
A15
PA13
A14
PA14
A13
PA15
R5
PB0
R4
PB1
M6
PB2
A10
PB3
A9
PB4
A6
PB5
B6
PB6
B5
PB7
A5
PB8
B4
PB9
R12
PB10
R13
PB11
P12
PB12
P13
PB13
R14
PB14
R15
PB15
E1
PC14-OSC32_IN
F1
PC15-OSC32_OUT
G1
PH0-OSC_IN
H1
PH1-OSC_OUT
J1
NRST
D6
BOOT0
C6
PDR_ON
D1
PC13
A12
PC12
B13
PC11
B14
PC10
F14
PC9
G14
PC8
G15
PC7
H15
PC6
P5
PC5
N5
PC4
M5
PC3_C
M4
PC2_C
M3
PC1
M2
PC0
C315
MODSCK
C230
C286
R507
R289
C246
IC223
1
VIO
2
SCL
3
SDA
4
FOUT
5
/RST
6
/IRQ
7
GND
8
VDD
9
VOUT
10
VBAT
Q214
DSIRQ
R326
C288
CP218
HV
C262
IC215
1
2
3
4
5
CP217
D206
C265
IC213
1
2
3
4
5
IC208
1
VOUT
2
VSS
3
CE
4
VIN
BFSR0
C269
IC211
8
NC
7
NC
6
A2
5
GND
4
SDA
3
SCL
2
WP
1
VCC
C260
KSDA
C217
R341
IC222
1
PGND
2
VIN
3
VIN
4
EN
5
SYNC
6
LBO
7
LBI
8
VINA
9
AGND
10
FB
11
GND
12
GND
13
PG
14
SW
15
SW
16
PGND
17
MODFS
R378
D204
R307
IC216
1
2
3
4
5
R373
C353
C259
Q202
C267
C251
R370
IC207
B12
PD0
C12
PD1
D12
PD2
D11
PD3
D10
PD4
C11
PD5
B11
PD6
A11
PD7
P15
PD8
P14
PD9
N15
PD10
N14
PD11
N13
PD12
M15
PD13
M14
PD14
L14
PD15
A4
PE0
A3
PE1
A2
PE2
A1
PE3
B1
PE4
B2
PE5
B3
PE6
R8
PE7
P8
PE8
P9
PE9
R9
PE10
P10
PE11
R10
PE12
N11
PE13
P11
PE14
R11
PE15
E2
PF0
H3
PF1
H2
PF2
J2
PF3
J3
PF4
K3
PF5
K2
PF6
K1
PF7
L3
PF8
L2
PF9
L1
PF10
E3
PI10
D3
PI9
D2
PI8
C2
PI7
C3
PI6
C4
PI5
D4
PI4
C13
PI3
C14
PI2
D14
PI1
E14
PI0
D13
PH15
E13
PH14
E12
PH13
K12
PH12
L12
PH11
L13
PH10
M13
PH9
M12
PH8
N12
PH7
M11
PH6
J4
PH5
H4
PH4
G4
PH3
F4
PH2
B7
PG15
A7
PG14
A8
PG13
B8
PG12
B9
PG11
B10
PG10
C10
PG9
H14
PG8
K13
PG5
K14
PG4
K15
PG3
L15
PG2
R6
PF11
P6
PF12
N6
PF13
R7
PF14
P7
PF15
E4
PI11
M7
PG1
N7
PG0
J15
PG6
J14
PG7
R391
R211
C305
R372
R342
R318
R291
C292
R369
D211
C332
C334
R313
C254
L206
BDR0
R389
D205
C271C272
R388
C328
HMP214
MODSDO
C344
C223
C289
C342
C279
R349
R285
R224
C345
PLSDO
R284
R223
BDX1
PLSCK
C302
R345
R371
C346
R328
R343
CP213
RSTN
Q218
MODFS
C306
IC218
G2
AVSS_CP
H2
AVDD_CP
F2
AVSS0
G3
AVSS
G4
AVDD
E8
SDWN
C3
MDSEL
B2
GPIO2 / STB
B1
GPIO1 / SI
E9
RESETN
C2
SCL / SCLK
C1
SDA / SO
B3
GPIO3 / INT
B9
DVSS_IO2
D2
DVSS_IO1
A9
DVDD_IO2
D1
DVDD_IO1
E7
DVSS
F5
DVDD
D5
LVSS4
E4
LVSS3
E3
LVSS2
E2
LVSS1
E6
VREGLGC
D4
LVDD
D8
DECM_PDM12
D9
DECM_CLK
D7
DECM_PDM34
F7
VREGADC
F8
AD_VREF1
F9
AD_VREF2
H8
MBIAS1
G8
MBIAS2
H7
AVSS_MB
J8
AECM_IN1P
J9
AECM_IN1N
H9
AECM_IN2P
G9
AECM_IN2N
J7
AVSS_AD1
G7
AVSS_AD2
F6
VREGPLL
G6
DVSS_PLL
A2
MCLK1
A7
MCLK2
G5
PLL_LF
A3
WCLK_IO1
A4
BCLK_IO1
B4
DIN1
C4
DOUT1
B5
WCLK_IO2
A5
BCLK_IO2
C5
DIN2
C6
DOUT2
B6
WCLK_IO3
A6
BCLK_IO3
B7
DIN3
C7
DOUT3
B8
WCLK_IO4 / JTAG_RTCK
A8
BCLK_IO4 / JTAG_TCK
C8
DIN4 / JTAG_TDI
C9
DOUT4 / JTAG_TDO
D6
TEST2 / JTAG_TMS
D3
TEST1
H5
ESOUTN
J5
ESOUTP
J4
HPOUTR
H3
HPOUTG
J3
HPOUTL
A1
GPIO4 / HSJackDet
J6
LNOUTR
H4
LNOUTG
H6
LNOUTL
F3
AVSS_DA
H1
CPVSS
J1
CPN2
J2
CPN1
E1
CPVDD
F1
CPP2
G1
CPP1
HMP212
R254
MODSDO
C282
R216
R394
C333
KSCL
C320
IC214
1
2
3
4
5
R300
C327
R292
R375
IC207
VDD6
N8
VDD7
N9
VDD8
J13
VDD_33USB
H13
VDD10
C8
VDD11
C7
VDD13
F3
VDD14
J12
VDD15
C9
N1
VREF-
M1
VSSA
M8
VSS6
G2
VSS5
D5
VSS3
F12
VSS2
K10
VSS
K9
VSS
K8
VSS
K7
VSS
K6
VSS
J10
VSS
J9
VSS
VSS
J8
VSS
J7
VSS
J6
VSS
H10
VSS
H9
VSS
H8
VSS
G9
VSS
G8
VSS
G7
VSS
G6
VSS
F10
VSS
F9
VSS
F8
VSS
F7
VSS
F6
D9
VSS15
H12
VSS14
F2
VSS13
D7
VSS11
D8
VSS10
G12
VSS9
M9
VSS7
VDD5
G3
VDD4
K4
VDD3
C5
VDD2
G13
VDD1
N10
VSS
G10
VSS
H6
VSS
H7
M10
VCAP
F13
VCAP
VDDA
R1
P1
VREF+
C1
VBAT
VSS
L4
C202
C338
R322
HR362
R374
C205
C331
R352
R339
BCLKX1
C204
R290
R208
C255
C270
C275
R358
MODSCK
HR206
+5V
C323
C285
R347
C209
C250
Q201
VCC
C257
R323
C280
PLCS
D203
R330
C213
IC209
VDD
A9
DQ0
A8
VDDQ
A7
DQ1
B9
DQ2
B8
VSSQ
B7
DQ3
C9
DQ4
C8
VDDQ
C7
DQ5
D9
DQ6
D8
VSSQ
D7
DQ7
E9
VDD
E7
DQML
E8
WE
F9
CAS
F7
RAS
F8
CS
G9
BA0
G7
BA1
G8
A10
H9
A0
H7
A1
H8
A2
J8
A3
J7
VDD
J9
VSS
J1
A4
J3
A5
J2
A6
H3
A7
H2
A8
H1
A9
G3
A11
G2
NC
G1
CKE
F3
CLK
F2
DQMH
F1
NC
E2
VSS
E3
DQ8
E1
VDDQ
D3
DQ9
D2
DQ10
D1
VSSQ
C3
DQ11
C2
DQ12
C1
VDDQ
B3
DQ13
B2
DQ14
B1
VSSQ
A3
DQ15
A2
VSS
A1
R303
C214
R280
BDR1
R393
MF201
C301
X201
C211
R368
R379
R261
R392
R336
R312
C317
R295
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
HR380
R209
R287
R333
R315
F201
12
3.3VA
R294
R325
R265
R327
D217
EP201
S3C
C298
D218
C339
D213
R279
R266
3.3VD
RFPWR
R283
MP8
1 2
MP7
1 2
R205 R203
R120
R121
R122
C208
C329 C330
D201
C236 C234
C221
C220
C218
R387
R395
IC210
1
CS#
2
SO/SIO1
3
WP#/SIO2
4
GND
5
SI/SIO0
6
SCLK
7
RESET#/SIO3
8
VCC
9 9
IC220
1
S1B
2
D1
3
S2A
4
S2B
5
D2
6
GND
7
D3
8
S3B
9
S3A
10
D4
11
S4B
12
S4A
13
EN
14
VDD
15
SEL
16
S1A
R355R377
HR353
IC225
1
VOUT
2
VSS
3
CE
4
VIN
R217
C313
C312
Q212
C310
Q211
HR354
C311
R214
IC224
1
VOUT
2
VSS
3
CE
4
VIN
C337
C336
C321 C324 C326
MP219
MP220
MP215
C231 C229
C335
C228
MP210 MP209
MP208
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
MP216
MP217
C319 C314
EP205
R502
R504
R501
R503
R512
R513
R514
R518
R519
R520
C465 C466 C471
C472 C473 C474 C475 C479
C480 C481
C354
EP210
EP211
EP215
EP212
EP213
EP214
MP207
12
34
56
MP206
1
2
3
R516
R515
R508
R509
R510
R511
R227
R228
R230
R231
R232
R235
R236
R239
R240
R241
R242
R243
R244
R245
R246
R247
R248
R249
R250
R251
R252
R253
R257
R258
R259
R260
R270
R271
R272
R273
R237
R238
R277
R278
R275
R274
R276
R256
EP216
C356
R383
R385
R386
R263
C341
EP217
C357
*IC219
1
GND
2
DIV_ANT
3
GND
4
SCL
5
SDA
6
GND
7
USB_DM
8
USB_DP
9
VBUS
10
SIM_DATA
11
SIM_CLK
12
SIM_DET
13
SIM_RST
14
SIM_VDD
15
GND
16
GND
17
I2S_MCLK
18
PCM_CLK
19
PCM_SYNC
20
PCM_IN
21
PCM_OUT
22
GND
23
L11_1V8
24
RESET
25
ADC
26
GPIO_1
27
ISINK
28
GND
29
GND
30
PWRKEY
31
GND
32
GND
33
VBAT
34
VBAT
35
GND
36
RTS
37
DCD
38
TXD
39
RXD
40
DTR
41
CTS
42
RI
43
GND
44
GND
45
MAIN_ANT
46
GND
47
GND
48
GPIO_37
49
FlightMode
50
STATUS
51
DBG_TXD
52
NETLIGHT
53
GND
54
GND
55
GNSS_ANT
56
GND
R304 R305 R306
R309
R310
R308
R301
R311
C303
C304
C340
R316
DCSFT_2
X202
1
OE/ST/NC/SD
4
VDD
3
OUT
2
GND
C482
C242 C243
C352
C348
C350
HC224
HC483
C478
R229
HV
HV
A4
TRACESWO
DRES
FCTS
LTE_USB_VBUS
LTE_USB_DP
A3
LCDCK
SWCLK
VOXV
PCDC
MODSCK
MINT
BT_AFO
A1
TXC
QSPICK
VOXV
FTXD
DPDN
KSDA
SDNE0
DINT
CDC_MCLKC
LCDCS
S3C
D15
SIM_CLK
DSCK
RFPWR
ESCL
BDR0
S3C
QSPICS
ESDA
D14
BATV
SDNWE
NBL0
A6
RTC_IRQ
NBL1
A7
PWON
CODEC_RES
LTE_SIM_DET
BFSX1
A10
A9
BCLKX1
D12
A11
SDATAO
BDX1
SDWN
SDNCAS
LTE_PCON
SDNRAS
AFVI
A5
A8
BT_TXDI
MICE
BDR1
QSPIO1
BT_RXDO
BA0
DSIRQ
DMISO
IBAT_RX
MODSCK
BA1
BAT_D
QSPIO0
BFSR0
VIB
AFO
MODSDO
CDDAI
D8
RESET
QSPIO3
CDDAO
LTE_STATUS
DPDN
BCLKR0
A1
DSS
LTE_FTMODE
RSTN
IBAT_TX
LTE_PCON
BA1
BOOTO
MODFS
MODFS
CSN
SCLK
LTE_PWRKEY
AXC_IRQ
BFSR0
BDR0
SIM_SEL1
D13
CDFS
LTE_PSAVE
PLSDOLTE_RESET
SDCLK
VIB
PDET
BATV
RFPWR
QSPIO2
MODSDO
LTE_PSAVE
TEMP
PDET
D6
UNLK
BCLKX1
PLSCK
SDATAI
CDSCK
LTE_USB_VBUSLTE_USB_VBUS
BFSX1
BDR1
A4
SDATAO
SWDIO
A3
BCLKR0
POSWS
SDCLK
D15
RSTN
BDX1
FRST
D14
CSN
FLTXD
D12
FLRXD
CBI0
PLCS
QSPIO3
FLTXD
A0
PWON
PCDC
SDNWE
SDATAI
FLRXD
ESDA
SWDIO
FLTXD
FLRXD SDNRAS
PLSCK
TRACESWO
D0
UNLK
RESET
SWCLK
CBI3
A2
SIM_SEL2
D6
SWCLK
FRXD
PLSDO
SDNE0
D10
QSPICS
AXC_IRQ
QSPICK
NBL0
SDCKE0
TXC
A11
DMISO
POSWS
SDCKE0
D2
BA0
QSPIO0
SDWN
RESET
ESCL
A8
ESCL
LTE_FTMODE
LTE_PWRKEY
NBL1
D7
A2
ESCL
D8
A9
DSIRQ
D3
A7
A10
D11
DMOSI
MDET
ESDA
DSCK
LTE_STATUS
D10
D3
D0
D5
D9
BT_RTS
A5
CDDAO
IBAT_RX
ESDA
DSS
CSFT
LTE_RESET
D4
PCDC
BT_CTS
FRTS
CSCL
KSCL
D1
D4
D9
IBAT_TX
D5
CODEC_RES
SWDIO
POSWH
CDSCK
A6
MINT
D11
EIOINTF
LTE_SIM_DET
TEMP
PLCS
KSDA
1.8VD
CDDAI
D7
CDC_MCLKC
D1
CSDA
D2
DMOSI
A0
DINT
DRES
LTE_USB_DM
CDFS
TRACESWO
SDNCAS
D13
QSPIO1
KSCL
LCDDT
QSPIO2
CBI3
CBI0
BOOTO
CSCL
3.3VA
3.3VA
CSDA
SPTT
EPTT
IPTT
MICINPUT
RTC_IRQ
SIM_DATA
SIM_RST
SIM_RST
SIM_SEL2
SIM_SEL1
SIM_CLK
SIM_DATA
BT_RST
BT_HSPTT
LCDRS
BT_PWR
FCTS
KSCL
EIOINTF
KSDA
FRXD
LCDDT
SCLK
LCDCK
FTXD
FRTS
LCDCS
FRST
BT_CTS
BT_RTS
BT_RXDO
RESET
MDET
AFO
BT_AFO
MICE
MICINPUT
AFVI
3.3VF
CSFT
+5V
+5V
+5V
3.3VD
3.3VD
3.3VD
3.3VD
3.3VD
3.3VD
CPU3V
CPU3V
DCSFT_2
DCSFT_2
LTE_USB_DM
LTE_USB_DP
VCC VCC
BT_TXDI
1.8VD
3.3VD
VOL/PWR SW
3.3VA
VCC
+5V
FLASH
CBI0
TRACESWO
FLRXD
VCC
SWCLK
HV
3.3VA
3.3VD
CPU
1.8VD
RESET
RTC
GND
CODEC CLOCK
CBI3
3.3VD
R.SEL
BOOT0
Sheet001
2020.06.18
SIM2
VCC
MOTION SENSOR
1.8VD
CODEC
Sheet003
+5V
NRST
BT_UNITRDY
LTE MAIN ANT
3.3VD
FLTXD
CPU3V
3.3V
VIBRATION
SDRAM
VCC
SWDIO
3.3VA
SIM1
CPU3V
LTE
Battery
3.3VA
JTAG
GNSS ANT
MAIN
HV
IP730D
HV
+5V
1.8VD
LTE SUB ANT
VCC
SCHEMATIC DIAGRAM
EEPROM
VOX
3.3VD
to FRONT