參數(shù)資料
型號(hào)： MAX7456EVKIT+
廠商： Maxim Integrated Products
文件頁數(shù)： 30/44頁
文件大?。?/td> 0K
描述： KIT EVAL FOR MAX7456
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
主要目的： 視頻，屏幕顯示器（OSD）
嵌入式： 是，MCU，16 位
已用 IC / 零件： MAX7456
主要屬性： NTSC/PAL 單通道單色屏幕顯示器（OSD），帶集成視頻驅(qū)動(dòng)器
次要屬性： GUI，SPI 接口
已供物品： 板
產(chǎn)品目錄頁面： 1424 (CN2011-ZH PDF)
Single-Channel Monochrome On-Screen
Display with Integrated EEPROM
OSD Black Level Register (OSDBL)
Write address = 6CH, read address = ECH.
Read/write access: This register contains 4 factory-pre-
set bits [3:0] that must not be changed. Therefore,
when changing bit 4, first read this register, modify bit
4, and then write back the updated byte.
BIT
DEFAULT
FUNCTION
7–5
000
Don’t Care
41
OSD Image Black Level Control
This bit enables the alignment of the OSD image black level with the input image black level at
VOUT. Always enable this bit following power-on reset to ensure the correct OSD image brightness.
0 = Enable automatic OSD black level control
1 = Disable automatic OSD black level control
0–3
xxxx
These bits are factory preset. To ensure proper operation of the MAX7456, do not change the
values of these bits.
xxxx = Factory preset—can be any one of the 16 possible values. This value is permanently stored in the MAX7456 and will always
be restored to the factory preset value following power-on reset or hardware reset.
Status Register (STAT)
Read address = AxH.
Read/write access: read only.
BIT
DEFAULT
FUNCTION
7
NA
Don’t Care
6NA
Reset Mode
0 = Clear when power-up reset mode is complete. Occurs 50ms (typ) following stable VDD (Figure 22)
1 = Set when in power-up reset mode
5NA
Character Memory Status
0 = Available to be written to or read from
1 = Unavailable to be written to or read from
4NA
VSYNC Output Level
0 = Active during vertical sync time
1 = Inactive otherwise
3NA
HSYNC Output Level
0 = Active during horizontal sync time
1 = Inactive otherwise
2NA
Loss-of-Sync (LOS)
0 = Sync Active. Asserted after 32 consecutive input video lines.
1 = No Sync. Asserted after 32 consecutive missing input video lines.
1NA
0 = NTSC signal is not detected at VIN
1 = NTSC signal is detected at VIN
0NA
0 = PAL signal is not detected at VIN
1 = PAL signal is detected at VIN
NA = Not applicable.
X = Don’t care.
MAX7456
36
Maxim Integrated
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX7456EVKIT+ 功能描述:顯示開發(fā)工具 MAX7456 Eval Kit RoHS:否 制造商:4D Systems 產(chǎn)品:4Display Shields 工具用于評(píng)估:?OLED-160-G1, ?OLED-160-G2 接口類型:Serial 工作電源電壓:5 V
MAX7457ETE 功能描述:視頻開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX7457ETE+ 功能描述:視頻開關(guān) IC Video Switch for Dual SCART Connector RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX7457ETE+T 功能描述:視頻開關(guān) IC Video Switch for Dual SCART Connector RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
MAX7457ETE-T 功能描述:視頻開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel
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