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PDF MAX9273 Data sheet ( Hoja de datos )
| Número de pieza | MAX9273 | |
| Descripción | 22-Bit GMSL Serializer | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX9273 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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EVALUATION KIT AVAILABLE
MAX9273
22-Bit GMSL Serializer with Coax or
STP Cable Drive
General Description
The MAX9273 compact serializer is designed to drive
50I coax or 100I shielded twisted-pair (STP) cable.
The device pairs with the MAX9272 deserializer. The
parallel input is programmable for single or double input.
Double input allows higher pixel clock input frequency by
registering two pixels of typical image-sensor video data
before serializing. This doubles the maximum pixel clock
frequency compared to single input.
The device features an embedded control channel that
operates at 9.6kbps to 1Mbps in UART and mixed UART/
I2C modes, and up to 400kbps in I2C mode. Using the
control channel, a microcontroller (FC) is capable of
programming serializer, deserializer, and camera (or any
peripheral) registers at any time, independent of video
timing. There is one dedicated GPIO, four optional GPIOs,
and a GPO output, allowing remote power-up of a camera
module, camera frame synchronization, and other uses.
Error-detection and correction coding are programmable.
For driving longer cables, the serializer has program-
mable pre/deemphasis. Programmable spread spectrum
is available on the serial output. The serial output meets
ISO 10605 and IEC 61000-4-2 ESD standards. The core
supply range is 1.7V to 1.9V and the I/O supply range is
1.7V to 3.6V. The device is available in a 40-pin (6mm x
6mm) TQFN-EP package with 0.5mm lead pitch and oper-
ates over the -40NC to +105NC temperature range.
Applications
Automotive Camera Systems
Navigation Displays
Ordering Information appears at end of data sheet.
Typical Application Circuit appears at end of data sheet.
For related parts and recommended products to use with this part,
refer to www.maximintegrated.com/MAX9273.related.
Benefits and Features
S Ideal for Camera Applications
Drives Low-Cost 50I Coax Cable and FAKRA
Connectors or 100I STP
Error Detection/Correction
9.6kbps to 1Mbps Control Channel in I2C-to-I2C
Mode with Clock Stretch Capability
Best-in-Class Supply Current: 75mA (max)
Double-Rate Clock for Megapixel Cameras
Serializer Pre/Deemphasis Allows 15m Cable at
Full Speed
40-Pin (6mm x 6mm) TQFN Package with 0.5mm
Lead Pitch
S High-Speed Data Serialization for Megapixel
Cameras
Up to 1.5Gbps Serial-Bit Rate with Single or
Double Input: 6.25MHz to 100MHz Clock
S Multiple Control-Channel Modes for System
Flexibility
9.6kbps to 1Mbps Control Channel in UART-to-
UART or UART-to-I2C Modes
S Reduces EMI and Shielding Requirements
Output Programmable for 100mV to 500mV
Single-Ended or 100mV to 400mV Differential
Programmable Spread Spectrum on the Serial
Output Reduces EMI
Bypassable Input PLL for Parallel Clock Jitter
Attenuation
Tracks Spread Spectrum on Parallel Input
S Peripheral Features for Camera Power-Up and
Verification
Built-In PRBS Generator for BER Testing of the
Serial Link
Up to Five GPIO Ports
Dedicated “Up/Down” GPO for Camera Frame
Sync Trigger and Other Uses
S Reduces Power Requirements
Remote/Local Wake-Up from Sleep Mode
S Meets Rigorous Automotive and Industrial
Requirements
-40NC to +105NC Operating Temperature
±8kV Contact and ±15kV Air ISO 10605 and
IEC 61000-4-2 ESD Protection
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-6384; Rev 1; 11/12
1 page  
MAX9273
22-Bit GMSL Serializer with Coax or
STP Cable Drive
LIST OF TABLES
Table 1. Power-Up Default Register Map (see Table 15) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 2. Input Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Table 3. Data-Rate Selection Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 4. I2C Bit-Rate Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Table 5. TP/Coax Drive Current (CMLLVL = 1000) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 6. Serial Output Spread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Table 7. Spread Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Table 8. Modulation Coefficients and Maximum SDIV Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Table 9. Configuration Input Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Table 10. Startup Procedure for Video-Display Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table 11. Startup Procedure for Image-Sensing Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Table 12. MAX9273 Feature Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Table 13. Typical Power-Supply Currents (Using Worst-Case Input Pattern) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Table 14. Suggested Connectors and Cables for GMSL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Table 15. Register Table (see Table 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Maxim Integrated
5
5 Page 
MAX9273
22-Bit GMSL Serializer with Coax or
STP Cable Drive
Pin Configuration
TOP VIEW
30 29 28 27 26 25 24 23 22 21
PCLKIN 31
20 MS
DIN0 32
19 GPIO1
DIN1 33
18 GPO
DIN2 34
17 DIN21
DVDD 35
DIN3 36
MAX9273
16 DIN20
15 IOVDD
DIN4 37
14 DIN19/VS
DIN5 38
13 DIN18/VS
IOVDD 39
DIN6 40
+
EP* 12 DIN17/GPIO5
11 DIN16/GPIO4
1 2 3 4 5 6 7 8 9 10
TQFN
(6mm x 6mm x 0.75mm)
CONNECT EP TO GROUND PLANE
PIN
1, 2, 3, 5–8,
16, 17, 32,
33, 34, 36,
37, 38
4, 27
9–12
13
14
NAME
FUNCTION
Pin Description
DIN0–DIN13,
DIN20, DIN21
Parallel Data Inputs with Internal Pulldown to EP
AVDD
DIN14/
GPIO2–DIN17/
GPIO5
DIN18/HS
DIN19/VS
1.8V Analog Power Supply. Bypass AVDD to EP with 0.1FF and 0.001FF capacitors as close
as possible to the device with the smaller capacitor closest to AVDD.
Parallel Data Inputs/GPIO. Defaults to parallel data input on power-up.
Parallel data input has internal pulldown to EP.
GPIO_ has an open-drain output with internal 60kI pullup to IOVDD. See register table
for programming details.
Parallel Data Input/Horizontal Sync with Internal Pulldown to EP. Defaults to parallel data input
on power-up.
Horizontal sync input when VS/HS encoding is enabled (Table 2).
Parallel Data Input/Vertical Sync with Internal Pulldown to EP. Defaults to parallel data input on
power-up.
Vertical sync input when VS/HS encoding is enabled (Table 2).
Maxim Integrated
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MAX9273.PDF ] | |
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