Hardware Settings
Broadcom
®
March 28, 2014 • MMP920737TAG03-HWUM100-R
Page 13
BCM920737TAG-03 WICED Smart Tag Hardware User Manual
Hardware Settings
Configurable Resistor Descriptions
Hardware configuration for the Smart Tag board is defined in
Connector/Switch Descriptions
Connector/switch descriptions are defined in
.
Table 5: Configurable Resistor Descriptions
Resistor
Configuration
Description
RD1
A-C
Connects LDO_IN to VBAT
B-C
Connects LDO_IN to VDDIO
RD2
A-C
Connects SDA for EEPROM
B-C
Connects SI for serial flash
RD3
A-C
Connects SCL for EEPROM
B-C
Connects SCK for serial flash
RD4
A-C
Connects VDDIO to EEPROM VCC
B-C
Connects VDDIO to serial flash VDD
Table 6: Connector/Switch Descriptions
Connector/Switch
Description
SW1
GPIO0 button
SW2
Regulator input from coin cell/USB switch
SW3
VDDIO from coin cell/regulator output switch
SW4
Application mode/HCI_UART mode switch
SW5
EEPROM/SF bypass button
SW6
Hardware reset button
JP1
6-wire UART header
J6
USB connector
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