User's Manual

5
OPENBRAIN Technologies Co., LTD.
 Embedded Profile : Handsfree AG
 Output Power: 0dBm (Power Class 2)
 Receiver Sensitivity : < -80dBm
 Max. Data Rate : 702kbps
 Antennae Gain: 0dBi Max.
 Voice Signal Interface: Analog Single Ended or Differential
 Host Interface: UART (1.8V Level, 115,200bps).
 Operating Voltage: 3.3V
 Operating Temp: -25 ~ +85℃
 Size: 22.0mm X 36.0mm X 8.4mm
1.4. Application
 Mobile phones, Video phones, VoIP phones
 Other Voice Communication Devices
1.5. External Appearance and Pin (Pad) Specifications
Mechanical Layout
* For mechanical part details, refer to 3.4
36.0 ± 0.3
22.0 ± 0.3
2 4 6 . . 18
1 3 5 . . 17
Connecto
r
Bluetooth Chip
Antenna
1. VDD
2. RESETB
3. GND
4. GND
5. UART_TX
6. UART_RX
7. PCM_OUT
8. PCM_SYNC
9. PCM_IN
10. PCM_CLK
11. MIC+
12. MIC-
13. SPK+
14. SPK-
15. SPI_MISO
16. SPI_CSB
17. SPI_MOSI
18. SPI_CLK
Top View
(unit: mm)
1.2
2.0
4.0
1.4