
C903
1228-1147 rev. 1
MEASUREMENT POINTS
Audio FM Radio
ME
A
S
U
REMEN
T
P
O
IN
T
S
Made for
Document Nr
Revision
Audio
FM Radio
FM_FMIP_ANT
FM_ANTENNA
I2CCLK2
I2CDAT2
VDDE18
FM_I
N
T
PWRRSTn
FMR
FML
FM_INT_GPIO
RTCCLK
FM_ANTENNA
VBAT
VDDE18
VBAT
VDDE18
VBAT
FMR
FML
VDDE18
STLC2593
1200-9840
N1300
L6
L5
L4
F8
F7
D4
D6
B3
A4
D9
D8
E9
D7
C9
C5
5
B
8
C
A5
A6
A7
D5
C7
C6
C4
B7
B6
B4
A3
B8
R State = 1
FM_PWR_GND
FM_RADIO_IO
FM_GND
FM_GND
FM_GND
FM_GND
FM_GND
FM_GND
FM_GND
FM_GND
FM_VIO
FM_VD
FM_VA
NC
NC
NC
NC
NC
NC
FM_LOUT
FM_ROUT
FM_GPIO3
FM_GPIO2
FM_GPIO1
FM_RTCCLK
FM_SDA
FM_SCL
FM_SENB
FM_RST
FM_RFGND
FM_FMIP
BLUETOOTH-FM_FM
I2CDAT2
I2CCLK2
PWRRSTn
C
3304
1000-0336
100nF
C3
3
0
5
1000-0048
100nF
C3306
1000-6138
220pF
L3300
1000-1899
270nH
1000-0243
R3302 3.3Kohms
B3210BDT/7POPHF
1210-4190
N2010
R17
APPLICATION GPIO_00
1217-2034 Page A4
4
MP 10
SEMC Troubleshooting Manual
60
(129)