Broadcom
®
March 28, 2014 • MMP920737TAG03-HWUM100-R
Page 14
Schematics
BCM920737TAG-03 WICED Smart Tag Hardware User Manual
Schematics
Figure 4: Baseband and PMU Schematics
EEPROM
SERIAL FLASH
BUZZER
Add solder paste for GND pin of coin cell holder.
EEPROM: Install RD2, RD3, RD4 in position A; DNI R100 and R101
SF: Install RD2, RD3, RD4 in position B; Install R100 and R101
*VDDIO_SF: must use regulated supply (1.8V) to VDDIO
SDA
SCL
MISO
SI
SCK
VDDIO_EE
VDDIO_SF
VDDIO
SCL
SCK
SDA
SI
SDA_SI
SCL_SCK
SCL_SCK
SDA_SI
WP
VDDIO_EE
VDDIO_SF
VDDIO
VDDIO
VCOIN
VDDIO
1P2VC
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
WP
5
P32
2,5
P8/P33
2,5
P1
2,5
SCL
5
SDA
5
P14/P38
2,5
P13/P28
2,5
P12/P26
3,5
P11/P27
3,5
P2
5
P0
5
P4
5
P15
5
P13/P28
2,5
UP_TX
5
UP_RX
5
RESET_N
2,5
RESET_N
2,5
P32
2,5
P8/P33
2,5
P1
2,5
P3
5
P14/P38
2,5
P24
5
P25
5
LS1
PKLCS1212E4001-R1
R27
1K
RD4
0
INSTALL POSITION A
A
B
C
C3
0.1uF
SW6
KMR221GLFS
1
3
2
4
Q3
2SC2712-Y_T5L,F,T
SW5
KMR221GLFS
1 3
2 4
R8
0
R28
5.6K
R2
10K
R5
2K
SW1
KMR221GLFS
1
3
2
4
R18
10K
R9
0
C12
0.1uF
R100
0 (DNI)
R31
0
RD3
0
INSTALL POSITION A
A
B
C
R105
1K
R29
470
R4
2K
RD2
0
INSTALL POSITION A
A
B
C
R6
10K
C1
0.1uF
R107
0
+
ZB1
3002TR
P2
N
P1
R106
0
D3
LTST-C190CKT (DNI)
R101
0 (DNI)
U11
MX25U4035MI-25G
SO8
CS_L
1
SO
2
WP_L/ACC
3
GN
D
4
SI
5
SCK
6
HOLD_L
7
VCC
8
C23
4.7uF
R10
0
R26
100K
U1A
BCM20737A1KML2G
QFN32H_0.5mm
VDDO
28
VDDC
11
XTALO32K/P12/P26
32
XTALI32K/P11/P27
1
P14/P38
30
P15
31
P24
27
P25
26
P32
25
P8/P33
24
P0
19
P1
20
P2
22
P3
21
P4
23
SCL
16
SDA
15
TMC
17
RESET_L
18
UART_RXD
12
UART_TXD
13
VSS
H
VDDM
14
P13/P28
29
U22
24FC512-I/ST
TSSOP8
A0
1
SDA
5
GND
4
A1
2
SCL
6
WP
7
VCC
8
A2
3
R104
10K
R13
200
R17
10K
R16
10K
R3
10K
C5
0.1uF
Broadcom
Confidential
