Table of Contents
Advertisement
FC800L and a host.
Figure 5: Block Diagram of Bluetooth Application Interface Connection
NOTE
GPIO_2 connected to BT_WAKE_HOST must be interruptible.
3.6.1. BT_EN
BT_EN is used to control the Bluetooth function of FC800L. Bluetooth function will be enabled when
BT_EN is at high level.
Table 8: Pin Definition of BT_EN
Pin Name
Pin No.
BT_EN
38
3.6.2. UART Interface
FC800L supports an HCI UART as defined in Bluetooth Core Specification Version 5.0. The UART
supports hardware flow control, and it is used for data transmission with host. It supports up to 4.0 Mbps
baud rates.
The following table shows the pin definition of UART interface.
Table 9: Pin Definition of UART Interface
FC800L_Hardware_Design
I/O
Description
DI
Bluetooth enable control
Wi-Fi&Bluetooth Module Series
Comment
Active high.
26 / 50
Advertisement
Table of Contents
