TC35679FSG-002

2018-01-17

20

4.3.8.

Host Wake up Function

TC35679 can wakes up its host before sending UART data to the host. This function is disabled by default, but can be assigned to

GPIO by command. Host wake up time can be changed by command (10 ms by default).

Figure 4-10 Host wake up

4.3.9.

HCI mode

When TC35679 is used in the HCI mode, UART is the host interface to receive HCI commands.

The Bluetooth® wireless performance can be tested in HCI mode by the measurement equipment which connects the UART

directly.

4.3.9.1. HCI Reset

To process the following commands successfully, it is needed that the host waits at least 150 μs from the command complete event

after sending a HCI reset command.

Host wake up

Host wake up time

(10 ms by default)

UART TX message

UART TX data