California Micro Devices Launches MDDI to MIPI(TM) Bridge Display Controller for Wireless Handsets
December 02 2008 - 9:30AM
PR Newswire (US)
CM5160 is the Industry's First MDDI-to-MIPI(TM) and Legacy
CPU-to-MIPI(TM) Display Controller MILPITAS, Calif., Dec. 2
/PRNewswire-FirstCall/ -- California Micro Devices (NASDAQ:CAMD)
today introduced the CM5160 bridge display controller. This
innovative display controller can operate in conjunction with both
the Mobile Display Digital Interface (MDDI) and the Mobile Industry
Processor Interface (MIPI(TM)) standards for high speed serial
display interfaces intended for advanced mobile handsets. Developed
in collaboration with major handset and device manufacturers, the
CM5160 will permit handsets that utilize CPUs and application
processors with on-chip MDDI compatible hosts to interface to
liquid crystal display (LCD) modules incorporating either MDDI or
MIPI(TM) based clients. The CM5160 can also be utilized as an MDDI
display client supporting LCD modules with resolutions up to WQVGA
24 bit per pixel. (Photo:
http://www.newscom.com/cgi-bin/prnh/20081202/AQTU038) Competing
Display Interface Standards The existence of two industry standards
for high speed serial display interfaces has compelled handset
makers to procure different LCD modules. With the availability of
the new CM5160 MDDI-to-MIPI(TM) bridge, handset makers utilizing a
handset CPU with an MDDI based host will have the flexibility to
procure display modules with a MIPI(TM) based client, thereby
standardizing their LCD module purchases on a single display
interface protocol. "Handset makers that produce systems based on
both the GSM and CDMA standards and associated 3G standards, will
have the opportunity to achieve cost savings by concentrating their
purchasing power on procuring LCD modules based on a single
standard while also enjoying the cost, space, power and EMI
reduction advantages inherent in the use of the serial interface,"
commented Kyle Baker, CMD's vice president of marketing. In
addition to providing multi-standard display module support for
MDDI based handsets; the new CM5160 MDDI-to-MIPI(TM) bridge can
also interface to existing GSM and WCDMA baseband CPUs and
application processors via an industry standard CPU interface. This
will enable handset makers seeking an early introduction of
MIPI(TM) based handset designs the additional flexibility of
utilizing widely available GSM and WCDMA CPUs that do not feature
an integrated MDDI or MIPI(TM) host. Handset makers can reduce
product launch risks associated with dependence upon new product
development schedules while taking full advantage of the benefits
of a high speed serial display interface. Multiple Use Cases The
CM5160 supports two use cases: as an interface conversion IC
capable of converting video packets from MDDI or CPU client
interfaces to a MIPI(TM) DSI (Display Serial Interface) host
interface compatible with the MIPI(TM) DSI Type 1/2/3/4 display
interface standard, and as a low power dual display MDDI client
transceiver for primary display resolutions of up to WQVGA (432 x
240) 24 bit per pixel. Interface Conversion Utilized as an
interface conversion IC, the CM5160 is capable of generating
MIPI(TM) DSI pixel stream packets on 1 or 2 data lanes, with
transfer rate up to 500 Mbps, constantly refreshing a MIPI(TM) Type
3 or 4 video mode display up to WQVGA resolution from the
integrated frame buffer. The CM5160 also features a unique DCS
(Display Command Set) conversion capability that can convert
incoming MDDI video packets or data from a legacy CPU interface to
MIPI(TM) DCS commands in real time to support MIPI(TM) Type-1
displays. In this mode, the frame buffer in the CM5160 is
configured as a "pass-through" FIFO and pixel data is directly
written to the display's frame buffer, thus it can support MIPI(TM)
Type 1 and 2 displays with resolutions such as WVGA or higher. MDDI
Client The integrated MDDI client transceiver is a Type I (1 strobe
pair and 1 data pair) interface that can support a data rate of up
to 400Mbps. The device features an enhanced timing controller with
an integrated WQVGA frame buffer that supports the primary display
through a standard RGB interface to the display module's driver
chip. The CM5160's MDDI client is able to control both primary and
secondary displays simultaneously through this high speed, yet low
power interface. The secondary display interface is designed to
interface with smart LCD modules with a built-in frame buffer. Both
a MIPI(TM) DSI link with 1 data lane and an SPI (Serial Peripheral
Interface) / MIPI(TM) DBI (Display Bus Interface) Type-C interface
are available for the secondary display. The CM5160 supports an
SPI/DBI Type-C interface that features two independent chip
selects. This useful feature permits handset designers to dedicate
one SPI interface to support primary display set up and a second
SPI interface for the secondary display. The CM5160 is developed in
a low power process technology and features extensive power
management modes to provide minimal power consumption. The CM5160
is housed in a 128 bump, 11 x 12 array wafer level chip scale
package (CSP) in 0.4mm pitch and features an industry leading small
form factor of just 4.5mm x 4.9mm. Pricing and Availability
Evaluation boards and chip samples of the CM5160 are available now.
Chip pricing starts at $5.00 in 1,000 unit quantities. Volume
production is scheduled for Q2 2009. About California Micro Devices
Corporation California Micro Devices Corporation is a leading
supplier of application specific analog and mixed signal
semiconductor products for the mobile handset, digital consumer
electronics and personal computer markets. Key products include
protection devices for mobile handsets, digital consumer
electronics products such as digital TVs, and personal computers as
well as analog and mixed signal ICs for mobile handset displays.
Detailed corporate and product information may be accessed at
http://www.cmd.com/. All trademarks are property of their
respective owners.
http://www.newscom.com/cgi-bin/prnh/20081202/AQTU038
http://photoarchive.ap.org/ DATASOURCE: California Micro Devices
Corporation CONTACT: Richard Haas of California Micro Devices
Corporation, +1-408-934-3108, Web site: http://www.cmd.com/
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