User's Manual

©Ehong Technology Co.,Ltd 2014-2019. Page 2 of 14
QUICK VIEW
•
Bluetooth® Radio
-
-
-
-
-
-
-
Fully embedded Bluetooth® v4.2 single mode
ARM Cortex-M4, 160KB SRAM
+7.5dBm TX power
-97dbm RX sensitivity
LE advertising Extensions
AES128/192/256 encrypt/decrypt engine
Supports OTA(Over the Air)
• Support Profiles
-
BLE (Master and slave)
-
SIGmesh
-
The generic attribute profile (GATT)
-
Health care, Sports and fitness, Proximity sensing profiles
-
Alerts and timer profiles
-
HID
（
keyboards, remote
）
• User Interface
-
UART*2
-
SPI master interface
-
RTC
-
I²C *2
-
PWM *8
-
I2S/PCM interface for external audio codec
-
Supports I8080 interface for LCD
-
4M internal SPI flash
• General I/O
-
15 general purpose I/Os
-
1 analogue I/O (10bit ADC)
•
Voltage supply: 3.0V typical
• Certification: BQB, SRRC
• Operating temperature range: -30 °C to 85 °C