Broadcom WICED BCM920737TAG-04, Руководство пользователя

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Broadcom ®
August 27, 2015 • 920737TAG04-HWUM101-RDS Page 17
Schematics
BCM920737TAG-04 WICED Smart Tag Hardware User Manual
Figure 6: GPIO, Headers, and Power Schematics
UART HEADER
Regulator output is set to 1.8V. Can adjust as needed:
Vout = 0.8x(RFB1 + RFB2)/RFB2
Vout = 3.3V RFB1=470K RFB2=150K C22=100pF
Vout = 3.0V RFB1=330K RFB2=120K C22=150pF
Vout = 2.0V RFB1=360K RFB2=240K C22=150pF
Vout = 1.8V RFB1=300K RFB2=240K C22=150pF
SW2 setting for VREG
2-1: Use USB 5V
2-3: Use coincell battery
JLINK DEBUG
I2C HEADER
GPIO HEADERS
SW3 setting for VDDIO
2-1: Use coin cell battery (1.8V-3.0V)
2-3: Use regulated voltage
POWER
USB TO UART
HCI Mode: Switch on POS 2 and 4. Other POS off.
JLINK Mode: Switch on POS 1 and 3. Other POS off.
APP Mode: All POS off.
USB_DP
USB_DN
USB_DP
RXD_SCI
TXD_SCI
USB_DN
VREG
VCOIN
REG_IN
5V_USB
VDDIO
VDDIO
VDDIO VCOIN
VREG
VDDIO
5V_USB
VDDIO VDDIO
5V_USB
VREG
VREG
5V_USB 5V_USB
SCL 2
SDA 2
P15
P12/P26
P4
P3
P1
P2
P11/P27
P32
P13/P28 P0
P14/P38
P24
P25
RESET_N
SWDIO 5
SWDCK 5
P8/P33
WP
BCM_TX
BCM_RX
SWDIO 5
SWDCK 5 BCM_TX
BCM_RX
UP_RX
UP_TX
UP_TX
UP_RX
P24
P25
PBC04SAAN
J9
1
2
3
4
RFB1
360K
RFB2
240K
D7
10V
C29
0.1uF
R59
0
S-M-.100-2X9
J10
1
3
5
7
9
11
13
15
17
2
4
6
8
10
12
14
16
18
PBC04SAAN
J2
1
2
3
4
C22
150pF
R62 0 (DNI)
FB3
600Ohms
C25 10uF
J7
1981568-1
VBUS
1
DM
2
DP
3
GND
5
SHIELD
SH1
SHIELD
SH2
SHIELD
SH3
SHIELD
SH4
ID
4
SHIELD
SH5
SHIELD
SH6
J12
PBC02SAAN
1 2
C28
4.7uF
C23
4.7uF
C24
10uF
D6
10V
XC9236_ADJ
U5
SON6H
VIN
6
LX
1
FB
3
VSS
5
CE/MODE
4
HS-VSS
H
VSS
2
S-M-.100-2X9 (DNI)
J11
1
3
5
7
9
11
13
15
17
2
4
6
8
10
12
14
16
18
RE
D
GR
E
E
N
D3
APTB1615SURKCGKC-F01
A1 A2
C2 C1
R29 0
ON
SW6
A6H-4101
1
2
3 6
5 4
7
8
D5
10V
R60 200 (DNI)
PBC04SAAN
J8
1
2
3
4
R61 200 (DNI)
C54 0.1uF
D4
10V
SW5
SSSS811101
SH2
SH1
2
SH4
SH3
3
1
S-M-.100-2X9 (DNI)
J13
1
3
5
7
9
11
13
15
17
2
4
6
8
10
12
14
16
18
L2
4.7uH
C26 0.1uF
SW4
SSSS811101
SH2
SH1
2
SH4
SH3
3
1
E
NHA
N
C
ED
S
TA
N
DA
RD
U6
QFN24H_0.5mm
CP2105-F01-GM
SUSPEND_L/RI_SCI
1
GND
2
D_P
3
D_N
4
VIO
5
VDD
6
REGIN
7
VBUS
8
RST_L
9
CTS_ECI_L
10
RTS_ECI_L
11
RXD_ECI
12
TXD_ECI
13
GPIO1_ECI_L/DSR_ECI
14
GPIO0_ECI_L/DTR_ECI
15
NC/DCD_ECI_L/VPP
16
SUSPEND_L/RI_ECI
17
CTS_SCI_L
18
RTS_SCI
19
RXD_SCI
20
TXD_SCI
21
GPIO2_SCI/DSR_SCI_L
22
GPIO1_SCI/DTR_SCI_L
23
GPIO0_SCI/DCD_SCI_L
24
HS-GND
H
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