HF-BL200A Low Energy Bluetooh
(
BLE 4.1
)
Module User Manual
Shanghai High Flying Electronics Technology Co., Ltd www.hi-flying.com
- 50
-
UART Wakeup Enable: when WAKEUP is pull-up, all system enter into DEEPSLEEP ; when
WAKEUP is pull-down, system enter into SLEEP mode. When sending data from external MCU to
module, need to pull-down WAKEUP pin, after sending finished, pull-up WAKEUP to lower the power.
There must be a latency from WAKEUP pull-down to MCU sending data, the time is no less
拉低
than 2ms
。
Stop Mode Wakeup
:
WAKEUP pull-down, AT command send out Stop command, when system
enter into STOP mode, can be wakeup through pull-up WAKEUP.
UART_TX/RX
------UART data send/receive signal
。
Manufacture
(
RELD
)
------restore factory setting via hardware method: keep high level at least 5
second when power on or restore