CC2564C Datasheet, PDF (30/52 Pages) Texas Instruments – CC2564C Dual-Mode Bluetooth Controller

CC2564C
SWRS199A – APRIL 2016 – REVISED NOVEMBER 2016
www.ti.com
6.4.2.2 3-Wire UART Interface—H5 Protocol
The H5 UART interface consists of three signals (see Figure 6-11):
• TX
• RX
• GND
Host
Host_RX
Host_TX
GND
HCI_RX
HCI_TX
GND
CC2564C
Copyright © 2016, Texas Instruments Incorporated
Figure 6-11. H5 UART Interface
The H5 protocol supports the following features:
• Software flow control (XON/XOFF)
• Power management using the software messages:
– WAKEUP
– WOKEN
– SLEEP
• CRC data integrity check
For more information on the H5 UART protocol, see Volume 4 Host Controller Interface, Part D Three-
Wire
UART
Transport
Layer
of
the
Bluetooth
Core
Specifications
(www.bluetooth.org/en-us/specification/adoptedspecifications).
6.4.3 Digital Codec Interface
The codec interface is a fully programmable port to support seamless interfacing with different PCM and
I2S codec devices. The interface includes the following features:
• Two voice channels
• Master and slave modes
• All voice coding schemes defined by the Bluetooth specification: linear, A-Law, and µ-Law
• Long and short frames
• Different data sizes, order, and positions
• High flexibility to support a variety of codecs
• Bus sharing: Data_Out is in the Hi-Z state when the interface is not transmitting voice data.
30
Detailed Description
Submit Documentation Feedback
Product Folder Links: CC2564C
Copyright © 2016, Texas Instruments Incorporated