User's Manual

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Focus, Your Legend
BB2707-25 EDR/BLE Module
Iton Technology Corp . www.sziton.com
6
1.3 Functional Block Diagram
1.4 Physical Description
The BB2707-25 is a 12.5mm×20mm TG170 PCB with 25 pads located
around the perimeter.
Table 1 shows the pinout diagram of the module.
Pin Signal Pin Signal Pin Signal Pin Signal
1 ANT2 2 GND 3 OTP_Sel 4 Up_RTS_N
5 Up_CTS_N 6 Up_TXD 7 Up_RXD 8 LED1
9 LED2 10 GND 11 RST_N 12 MFI_RST
13 SELASH_SI 14
SELASH_SC
K
15 SWITCH 16 SCL
17 SDA 18 LED_STATUS 19 TXD 20 RXD
21 GPIO_1 22 GPIO_2 23 GPIO_3 24 VCC
25 GND