速锐得OBD蓝牙BM77SPP05
Introduction
The ISSC BM77SPP05 Bluetooth module is design for Bluetooth standard SPP/ BLE electronic accessories via Bluetooth connectivity.
It is available in the 2.4GHz ISM band Class 2 Radio, compatible with Bluetooth Core Specification Version 3.0/ 4.0 + EDR.
ISSC IS1677NM single chip solution combines transceiver and baseband function to decrease the external components.
It narrows down the module size and minimizes its cost.
The optimized power design minimize power consumption to keep low battery.
● Feature
- Bluetooth 3.0/ 4.0+ EDR compliant
- Low power 1.8V RF operation
- RF transmitter output power Class 2
- RF receiver GFSK typical -90dBm, π/4 PSK typical -90dBm, 8DPSK typical -83dBm, BLE typical -92dBm
- Internal ROM and 4Mibts of flash
- I2C for external EEPROM
- 1 LED driver
Current Consumption
Class BR/ EDR
Operation Mode Peak
Current AVG
Current Unit Note
Peak current at TX mode 48.82 mA
Peak current at RX mode 44.76 mA
Deep power down mode 0.37 mA
Connected + Sniff, Master (No data) 2.26 mA No data was transmitted
Sniff (40 20 4 0)
Connected + Sniff, Master (No data) 0.84 mA No data was transmitted
Sniff (500 20 4 0)
Connected + Sniff, Slave (No data)
0.82 mA No data was transmitted
Sniff (500 20 3 3) iPhone parameters
Data, Master Data 17.35 mA transmitted at 115200bps
Data, Slave Data 20.04 mA transmitted at 115200bps
Low Energy
Operation Mode
AVG Current Unit Note
Standby mode (Discoverable & connectable mode 8.477 mA fast adv interval = 20ms
3.363 mA adv interval = 160ms
Deep power down mode 0.371 mA
Connected (No data)
0.696
mA No data was transmitted connection interval = 500ms, (LE_Connection_Interval_Max =0x0190)
Connected (No data) 1.55 mA No data was transmitted connection interval = 20ms,
(LE_Connection_Interval_Max = 0x0010)
Connected (transfer data)
12.688 mA connection interval = 500ms, (LE_Connection_Interval_Max = 0x0190)
Connected (transfer data)
16.761 mA connection interval = 500ms, (LE_Connection_Interval_Max = 0x0010)
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