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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX9282 Datasheet

3.12Gbps GMSL Deserializers

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MAX9278/MAX9282
3.12Gbps GMSL Deserializers
for Coax or STP Input and LVDS Output
General Description
The MAX9278/MAX9282 gigabit multimedia serial link
(GMSL) deserializers receive data from a GMSL serializer
over 50Ω coax or 100Ω shielded twisted-pair (STP) cable
and output deserialized data on 3 of 4 data-lane LVDS
outputs (oLDI).
The MAX9282 has HDCP content protection but other-
wise is the same as the MAX9278. The deserializers pair
with any GMSL serializer capable of coax output. When
programmed for STP input, they are backward compatible
with any GMSL serializer.
The audio channel supports L-PCM I2S stereo and up to
eight channels of L-PCM in TDM mode. Sample rates of
32kHz to 192kHz are supported with sample depth up to
32 bits.
The embedded control channel operates at 9.6kbps
to 1Mbps in UART-to-UART and UART-to-I2C modes,
and up to 1Mbps in I2C-to-I2C mode. Using the control
channel, a µC can program serializer, deserializer, and
peripheral device registers at any time, independent of
video timing, and manage HDCP operation (MAX9282).
Two GPIO ports are included, allowing display power-
up and switching of the backlight among other uses. A
continuously sampled GPI input supports touch-screen
controller interrupt requests in display applications.
For use with longer cables, the deserializers have a
programmable cable equalizer. Programmable spread
spectrum is available on the LVDS output. The serial input
and LVDS output meet ISO 10605 and IEC 61000-4-2
ESD standards. The core supply is 3.0V to 3.6V and the
I/O supply is 1.7V to 3.6V.
The devices are in lead-free, 48-pin, 7mm x 7mm
TQFN and side-wettable TQFN (SWTQFN) packages
with exposed pad and 0.5mm lead pitch.
Applications
● High-Resolution Automotive Navigation
● Rear-Seat Infotainment
● Megapixel Camera Systems
Benefits and Features
● Ideal for High-Definition Video Applications
104MHz High-Bandwidth Mode Supports
1920 x 720p/60Hz Display with 24-Bit Color
Works with Low-Cost 50Ω Coax Cable and FAKRA
Connectors or 100Ω STP
Equalization Allows 15m Cable at Full Speed
Up to 192kHz Sample Rate and 32-Bit Sample
Depth for 7.1 Channel HD Audio
Audio Clock from Audio Source or Audio Sink
Color Lookup Table for Gamma Correction
CNTL[3:0] Control Outputs
● Multiple Data Rates for System Flexibility
Up to 3.12Gbps Serial-Bit Rate
6.25MHz to 104MHz Pixel Clock
9.6kbps to 1Mbps Control Channel in UART,
UART-to-UART, UART-to-I2C, or I2C-to-I2C
Modes with Clock Stretch Capability
● Reduces EMI and Shielding Requirements
Programmable Spread Spectrum Reduces EMI
Tracks Spread Spectrum on Input
High-Immunity Mode for Maximum Control-
Channel Noise Rejection
● Peripheral Features for System Power-Up and
Verification
Built-In PRBS Tester for BER Testing of the Serial
Link
Programmable Choice of Nine Default Device
Addresses
Two Dedicated GPIO Ports
Dedicated “Up/Down” GPI for Touch-Screen
Interrupt and Other Uses
Remote/Local Wake-Up from Sleep Mode
● Meets Rigorous Automotive and Industrial
Requirements
-40°C to +105°C Operating Temperature
±8kV Contact and ±15kV Air ISO 10605 and
IEC 61000-4-2 ESD Protection
Simplified Diagram
oLDI VIDEO/
AUDIO
GMSL
µC SERIALIZER
I2C
oLDI VIDEO/
AUDIO
MAX9278/
MAX9282
720p
DISPLAY
I2C
Ordering Information appears at end of data sheet.
19-6881; Rev 2; 3/18


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX9282 Datasheet

3.12Gbps GMSL Deserializers

No Preview Available !

MAX9278/MAX9282
Functional Diagram
3.12Gbps GMSL Deserializers
for Coax or STP Input and LVDS Output
TXCLKOUT+/-
TXOUT0+/-
TXOUT1+/-
TXOUT2+/-
TXOUT3+/-
CNTL1
CNTL2
CNTL0, CNTL3
SSPLL
CLKDIV
7x PLL
RGB[17:0]
PARALLEL
TO LVDS
HS
VS
DE
RGB[23:18]
(4-CH or 9b10b)
RES/CNTL1
(4-CH)
CNTL1 (4-CH)
CNTL1 (9b10b)
CNTL2 (4-CH)
CNTL2 (9b10b)
CNTL0, CNTL3 (9b10b)
DATA DESCRIPTION
REGISTERS
VIDEO
SYNC
FIFO
CONTROL
(9b10b)
I2S/TDM
(MAX9282 ONLY)
RGB HDCP
DECRYPT
HS
VS
DE
CNTL1/RES,
CNTL2 (4CH)
CNTL[3:0]
(9b10b)
ACB
FCC
HDCP HDCP
KEYS CONTROL
HDCP
DECRYPT
8b/10b OR 9b10b
DECODE/
DESCRAMBLE
UART/I2C
INTOUT
MCLK SD/HIM WS
SCK
GPI
GPIO_
TX/
SCL
RX/
SDA
I2CSEL
LOCK ERR
CDRPLL
SERIAL TO
PARALLEL
MAX9278/
MAX9282
CX/TP
CML RX
AND EQ
IN+
IN-
TX
REVERSE
CONTROL
CHANNEL
CONTROL
CDS
DRS
HIM
PWDN BWS MS ADD[1:0] SSEN
www.maximintegrated.com
Maxim Integrated │2


Part Number MAX9282
Description 3.12Gbps GMSL Deserializers
Maker Maxim Integrated
PDF Download

MAX9282 Datasheet PDF






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