Confidential Page 5 of 14
The Capstone CS5266BN is a high-performance Type-C/DP1.4 to HDMI1.4b converter, designed to connect a USB
Type-C source or a DP1.4 source to an HDMI1.4b sink. The CS5266BN integrates a DP1.4 compliant receiver, an
HDMI1.4b compliant transmitter. Also, two CC controllers are included for CC communication to implement DP
Alt Mode and power delivery function, one for upstream Type-C port and another for downstream port.
The DP interface comprises 2 main lanes, AUX channel, and HPD signal. The receiver supports maximum 5.4Gbps
(HBR2) data rate per lane. The DP receiver incorporates HDCP1.4 content protection scheme with embedded key
for secure transmission of digital audio-video content.
The HDMI interface includes 4 TMDS clock/data pairs, DDC, and HPD signal. The HDMI transmitter is capable of
supporting up to 3Gpbs data rate, quite adequate for handling video resolutions up to FHD 1080p 120Hz and
UHD 4k 30Hz formats. The HDMI transmitter incorporates HDCP engines which support HDCP1.4. With the
inclusion of HDCP, the CS5266BN allows secure transmission of protected content. Embedded key is available
that provides the highest level of HDCP key security.
The CS5266BN is a highly integrated single chip suitable for multiple market segments and display applications,
such as the dongle, docking station etc.
Type-C
2lanes DP RX
CC
Arbitrator
HDMI TX
MCU
DMA
SPI
Billboard
I2C Master
I2C Slave
PD Controller
HDCP1.4 RX
PATTERN_G
EN
HDCP1.4 TX
HDMI
Charger
USB 3.1
Figure 1-1 CS5266BN Block Diagram
CS5266BN Datasheet
USB Type-C to HDMI1.4b 4k@30Hz Converter
with PD3.0 and USB 3.1 Support
