参数资料
型号: MAX7456EUI+T
厂商: Maxim Integrated Products
文件页数: 29/44页
文件大小: 0K
描述: IC DISPLAY 1CH W/EEPROM 28TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: OSD(屏幕显示)视频发生器
应用: 安全系统,视频路由
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 28-TSSOP 裸露焊盘
包装: 带卷 (TR)
Single-Channel Monochrome On-Screen
Display with Integrated EEPROM
OSD Insertion Mux Register (OSDM)
Write address = 0CH, read address = 8CH.
Read/write access: unrestricted.
BIT
DEFAULT
FUNCTION
7, 6
00
Don’t Care
5, 4, 3
011
OSD Rise and Fall Time—typical transition times between adjacent OSD pixels
000: 20ns (maximum sharpness/maximum crosscolor artifacts )
001: 30ns
010: 35ns
011: 60ns
100: 80ns
101: 110ns (minimum sharpness/minimum crosscolor artifacts)
2, 1, 0
011
OSD Insertion Mux Switching Time–typical transition times between input video and OSD pixels
000: 30ns (maximum sharpness/maximum crosscolor artifacts )
001: 35ns
010: 50ns
011: 75ns
100: 100ns
101: 120ns (minimum sharpness/minimum crosscolor artifacts)
Row N Brightness Register
(RB0–RB15)
Address = 10H + row number; write address = 10H
through 1FH, read address = 90H through 9FH,
read/write access: unrestricted.
Top row number is 0. Bottom row number is 13 in NTSC
mode and 15 in PAL mode (see Figure 23).
BIT
DEFAULT
FUNCTION
7–4
0000
Don’t Care
3, 2
00
Character Black Level —All the characters in row N use these brightness levels for the black pixel,
in % of OSD white level.
00 = 0%
01 = 10%
10 = 20%
11 = 30%
1, 0
01
Character White Level —All the characters in row N use these brightness levels for the white pixel,
in % of OSD white level.
00 = 120%
01 = 100%
10 = 90%
11 = 80%
MAX7456
Maxim Integrated
35
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