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参数资料
| 型号： | MAX9258AEVKIT# |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 15/53页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT MAX9257A, MAX9258A |
| 标准包装： | 1 |
| 系列： | * |
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Maxim Integrated Products 22
MAX9257A/MAX9258A
Fully Programmable Serializer/Deserializer
with UART/I2C Control Channel
The video data are coded using two overhead bits (EN0
and EN1) resulting in a serial-word length of N+2 bits.
The devices feature programmable parity encoding that
adds two parity bits to the serial word. Bit 0 (EN0) is the
LSB that is serialized first without parity enabled. The par-
ity bits are serialized first when parity is enabled.
The ECU programs the MAX9258A, MAX9257A, and
peripheral devices at startup and during the control
channel phase. In a digital video system, the control
channel phase occurs during the vertical blanking time
and synchronizes to the VSYNC signal. The programma-
ble active edge of VSYNC initiates the control channel
phase. Nonactive edge of VSYNC can transition at any
time after 8 x tT if MAX9257A spread is not enabled and
0.5/fSSM when enabled. At the end of video phase, the
MAX9258A drives CCEN high to indicate to the ECU
that the control channel is open. Programmable timers
and ECU signal activity determine how long the control
channel stays open. The timers are reset by ECU signal
activity. ECU programming must not exceed the vertical
blanking time to avoid loss of video data.
After the control channel phase closes, the MAX9257A
sends a 546 or 1090 word pattern as handshaking (HSK)
to synchronize the MAX9258A’s internal clock recovery
circuit to the MAX9257A’s transmitted data. Following
the handshaking, the control channel is closed and the
video phase begins. The serial LVDS data is recovered
and parallel data is valid on the programmed edge of the
recovered pixel clock.
the input and output supply references.
Table 1. MAX9257A Power-Up Default Register Map (see the MAX9257A Register Table)
REGISTER NAME
REGISTER
ADDRESS (hex)
POWER-UP VALUE
(hex)
POWER-UP DEFAULT SETTINGS
REG0
0x00
0xB5
PRATE = 10, 20MHz to 40MHz
SRATE = 11, 400Mbps to 840Mbps
PAREN = 0, parity disabled
PWIDTH = 101, parallel data width = 18
REG1
0x01
0x1F
SPREAD = 000, spread = off
Reserved = 11111
REG2
0x02
0xA0
STODIV = 1010, STO clock is pixel clock divided by 1024
STOCNT = 0000, STO counter counts to 1
REG3
0x03
0xA0
ETODIV = 1010, ETO clock is pixel clock divided by 1024
ETOCNT = 0000, ETO counter counts to 1
REG4
0x04
1) REM = 0, 0x28
2) REM = 1, 0x30
VEDGE = 0, VSYNC active edge is falling
Reserved = 0
CKEDGE = 1, pixel clock active edge is rising
PD: 1) If REM = 0, PD = 0
2) If REM = 1, PD = 1
SEREN: 1) If REM = 0, SEREN = 1
2) If REM = 1, SEREN = 0
BYPFPLL = 0, filter PLL is active
Reserved = 0
PRBSEN = 0, PRBS test disabled
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9258AEVKIT# | 功能描述:界面开发工具 MAX9257A/58A Eval Kit RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| MAX9258AGCM | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Fully Programmable Serializer/Deserializer with UART/I2C Control Channel |
| MAX9258AGCM/V+ | 功能描述:串行器/解串器 - Serdes Prog Serializer / Deserializer RoHS:否 制造商:Texas Instruments 类型:Deserializer 数据速率:1.485 Gbit/s 输入类型:ECL/LVDS 输出类型:LVCMOS 输入端数量:1 输出端数量:20 工作电源电压:2.375 V to 2.625 V 工作温度范围:0 C to + 70 C 封装 / 箱体:TQFP-64 |
| MAX9258AGCM/V+T | 功能描述:串行器/解串器 - Serdes Prog Serializer / Deserializer RoHS:否 制造商:Texas Instruments 类型:Deserializer 数据速率:1.485 Gbit/s 输入类型:ECL/LVDS 输出类型:LVCMOS 输入端数量:1 输出端数量:20 工作电源电压:2.375 V to 2.625 V 工作温度范围:0 C to + 70 C 封装 / 箱体:TQFP-64 |
| MAX9258AGCM+ | 功能描述:串行器/解串器 - Serdes Prog Serializer / Deserializer RoHS:否 制造商:Texas Instruments 类型:Deserializer 数据速率:1.485 Gbit/s 输入类型:ECL/LVDS 输出类型:LVCMOS 输入端数量:1 输出端数量:20 工作电源电压:2.375 V to 2.625 V 工作温度范围:0 C to + 70 C 封装 / 箱体:TQFP-64 |
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