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3V3
R311
R310
3V3
100K
100K
R358
1K
EXT_PTT
R357
1K
69
SELC
68
ECN3
R312
48
ECN2
47K
47
ECN1
ECN0
46
45
44
PTT_KEY
43
MIC_SW
42
C346
VOL_MAX
SW301
41
DMR_SW
ALARM_KEY
104
40
VCOVCC_SW
39
FM_MUTE
38
FM_SW
37
BUSY
36
RSSI
35
R313
5TC
10K
34
RF_APC_SW
33
POW_C
32
POW_DET
31
MOD2_BIAS
30
APC/TV
29
VOX
26
QT_DQT_IN
25
SWDIO
72
R337
1K
W/N_SW
R370
NC
C352
NC
2T/5T/DTMF_OUT
C337
R339
R341
R340
105
2K2
22K
4K7
VOL_OUT
C335
C336
392
183
R336
22K
CTC/DCS_OUT
C333
183
BAT+
R314
R315
180R
220R
C315
C314
102
102
RX_LED
TX_LED
Q301
Q302
DTC144EE
DTC144EE
3V3
R360
10K
PA10
PA9
PB11
PB10
PE15
PE14
PE13
PE12
PE11
U301
PE10
STM32F405VGT6
PE9
PE8
PE7
PB2
PB1
PB0
PC5
PC4
PA7
PA6
PA5
PA4
PA3
PA2
PA13
R338
4K7
R335
C339
15K
TP305
103
JTAG_RESET
C332
X301
153
8MHz
3
1
C302
C303
10P
10P
3V3
SW302
R316
R317
R318
R319
CODE-SWITCH
47K
47K
47K
47K
6
ECN0
EC0
2
1
ECN1
G1
EC1
FLASH_CS
5
3
ECN2
G2
EC2
4
ECN3
EC3
FLASH_SDO
C316
C317
C318
C319
FLASH_SCK
103
103
103
103
FLASH_SDI
3V3
C305
C306
C307
C308
C312
C313
104
104
104
105
103
103
TP301
JTAG_SWCLK
R391
1K
MANDOWN_SW
R390
1K
SWCLK
TP302
76
PA14
1
JTAG_TDI
77
PA15
I2S_FS
78
PC10
I2S_CK
79
PC11
I2S_RX
80
PC12
I2S_TX
81
PD0
K2
82
PD1
K3
83
PD2
K4
84
PD3
K5
85
PD4
K6
3V3
86
PD5
K7
87
PD6
K8
88
PD7
V_CS
89
PB3
V_SCLK
90
PB4
V_SDO
91
R305
PB5
V_SDI
92
10K
PB6
SELECT
93
PB7
MODE
94
1 TP303
BOOT0
95
BOOT0
SCL
PB8
96
SDA
PB9
97
K0
R306
PE0
98
10K
PE1
K1
70
PA11
USB_D-
71
PA12
USB_D+
R304
NC
R361
10K
3V3
C338
104
R342
10K
5
1
VCC
NC
2
VEE1
4
3
OUT
VEE2
U303
PST9124
R327
NC
FAST_LOCK
C325
NC
3V3
U302
W25Q80BVSI
1
8
CSN
VCC
C320
2
7
R320
0R
SO
HOLDN
104
6
3
R321
10K
SCK
WPN
5
4
SI
VSS
1
R333
1K
2
R332
1K
3
R353
1K
4
R352
1K
5
R351
1K
6
PTT_KEY
7
3V3
R354
C350
FPC301
47K
*
104
3V3
U308
NC
3
4
C340
MANDOWN_SW
2
NC
1
5
4
VDA
3
GND
MANDOWN
2
DO-Y
1
TOUT
R345
NC
C370
C342
NC
NC
U304
NC
3V3
R362
R363
U307
4K7
4K7
ALPU-MP
SDA
4
6
SDA
VDD
SCL
3
5
SCL
VPP
2
1
GND
RSTO
5C
L303
NC
R395
NC
C324
C328
NC
NC
U305
R328
NC
NC
1
5
1
+V
2
-V
FL
3
4
3
4
C326
R331
NC
R329
NC
NC
R330
NC
K8
K2
K1
K0
C341
NC
R346
R343
NC
NC
5
DO-X
6
VREF
7
SCK
8
VDD
R344
NC
C369
NC
C362
104
C331
NC
1
5
I/O
VCC
2
I/O
3
4
FL_C
GND
SW
C327
NC
U306
NC
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