Broadcom
®
August 27, 2015 • 920737TAG04-HWUM101-RDS
Page 15
Schematics
BCM920737TAG-04 WICED Smart Tag Hardware User Manual
Schematics
Figure 4: Baseband and PMU Schematics
EEPRO M
BU ZZER
Add solder paste for GND pin of coin cell holder.
E
EPROM: Switch on postions 1, 3, 5. Other positions off
SF: Switch on positions 2,4,6,7,8. Other positions off
*VDDIO_SF: must use regulated supply (2V) to VDDIO
SERIAL FLASH
SDA
SCL
SCL_SCK
SDA_SI
W P
VDDIO
SCL_SCK
SDA_SI
SDA_EE
SI
SCK
SCL_EE
VDDIO_EE
VDDIO_SF
CE
MISO
CE
MISO
SI
SCK
VDDIO_EE
VDDIO
VDDIO
VCOIN
VDDIO
1P2VC
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO_SF
VDDIO_SF
W P
5
P8/P33
P1
2,5
SCL_EE 5
SDA_EE 5
P14/P38
P13/P28
2,5
P12/P26
P11/P27
P2
5
P0
5
P4
5
P15
5
P13/P28
BCM_TX
5
BCM_RX
5
RESET_N
2,5
RESET_N
2,5
P32
P8/P33
P1
2,5
P3
5
P14/P38
2,5
P24
P25
P32
SCL_SCK
SDA_SI
R7
1K
LS1
PKLCS1212E4001-R1
C2
0.1uF
Q1
2SC2712-Y,LF
MX25U4033EM1I-12G
U3
SO8_1.27mm
GND
4
SCLK
6
CS_L
1
VCC
8
WP_L/SIO2
3
HOLD_L/SIO3
7
SI/SIO0
5
SO/SIO1
2
R17
10K
R14
5.6K
R3
0
R15
10K
D1
LTST-C190CKT
R12
10K (DNI)
R18
4.7K
R8
10K
C3
0.1uF
R4
0
R6
1K
R13
0
SW 2
KMR221GLFS
1
3
2
4
R11
470
SW 1
KMR221GLFS
1
3
2
4
+
ZB1
3002TR
P2
N
P1
R5
0
C4
0.1uF
R23
10K
C1
4.7uF
R16
10K
SW 3
KMR221GLFS
1
3
2
4
R2
0
R9
0
R19
4.7K
R10
100K
R22
200
R1
10K
U1
24FC512-I/ST
TSSOP8
A0
1
SDA
5
GND
4
A1
2
SCL
6
WP
7
VCC
8
A2
3
C5
0.1uF
O N
SW 8
TDA08H0SB1
1
2
3
6
5
4
7
8
9
10
11
12
13
14
15
16
U2A
BCM20737A1KML2G
QFN32H_0.5mm
VD
D
O
28
VD
D
C
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
VD
D
M
14
P13/P28
29
C58
0.1uF
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