EBWT12-A Bluegiga Technologies, EBWT12-A Datasheet - Page 11

• Manufacturer Part Number: EBWT12-A
• Description: Bluetooth / 802.15.1 Modules & Development Tools WT12 Eval Board with WT12 Mod, iWRAP 3.0
• Manufacturer: Bluegiga Technologies

Specifications of EBWT12-A

• Interface Type: RS-232, USB, SPI, UART
• Data Rate: 3 Mbps
• Operating Voltage: 3.3 V
• Operating Temperature Range: - 40 C to + 85 C
• Output Power: 4 dBm
• Technology/ Type: Evaluation Board
• Silicon Manufacturer: Bluegiga
• Application Sub Type: Bluetooth
• Kit Application Type: Wireless Connectivity
• Silicon Core Number: WT12
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: WT12
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

13. SIG SELECT (J8)
This switch toggles nCTS and RxD signals connection between J2 connector and DB9
RS232 connector.
Note: ‘Top’ and ‘bottom’ positions refer to viewing WT12 Evaluation Kit from top side as
seen in Figure 2.
J8 Switch top position:
J8 Switch bottom position:
14. RS-232 (J9) DTE INTERFACE
RS-232 interface PIN configuration is shown in Table 1. The physical interface is D9-male
connector (AMP747840-4).
PIN Name:
•
•
•
•
•
•
Top position must be used when external WT12 module’s nCTS and RxD pins are
interfaced trough J2 connector.
Bottom position must be used when WT12 is interfaced trough the DB9 RS232
connector.
nCTS connects to pin 10 on the GPIO (J2) interface
RxD connects to pin 14 on the GPIO (J2) interface
nCTS connects to nCTS-UART
RxD connects to RXD-UART
GND
RxD
TxD
DTR
RTS
CTS
NC
NC
NC
No.:
Table 3: RS232 PIN configuration
1
2
3
4
5
6
7
8
9
I/O:
10
GND
NC
NC
NC
O
O
O
I
I
Description:
Not connected
Not connected
Not connected
DTR on
Ground
RxD
RTS
CTS
TxD