参数资料
型号: MAX7456EVKIT+
厂商: Maxim Integrated Products
文件页数: 19/44页
文件大小: 0K
描述: KIT EVAL FOR MAX7456
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
主要目的: 视频,屏幕显示器(OSD)
嵌入式: 是,MCU,16 位
已用 IC / 零件: MAX7456
主要属性: NTSC/PAL 单通道单色屏幕显示器(OSD),带集成视频驱动器
次要属性: GUI,SPI 接口
已供物品:
产品目录页面: 1424 (CN2011-ZH PDF)
Single-Channel Monochrome On-Screen
Display with Integrated EEPROM
Video Mode 1 Register (VM1)
Write address = 01H, read address = 81H.
Read/write access: unrestricted.
BIT
DEFAULT
FUNCTION
70
Background Mode (See Table 4)
0 = The Local Background Control bit (see DMM[5] and DMDI[7]) sets the state of each character
background.
1 = Sets all displayed background pixels to gray. The gray level is specified by bits VM1[6:4]
below. This bit overrides the local background control bit.
Note: In internal sync mode, the background mode bit is set to 1.
6, 5, 4
100
Background Mode Brightness (% of OSD White Level)
000 = 0%
001 = 7%
010 = 14%
011 = 21%
100 = 28%
101 = 35%
110 = 42%
111 = 49%
3, 2
01
Blinking Time (BT)
00 = 2 fields (33ms in NTSC mode, 40ms in PAL mode)
01 = 4 fields (67ms in NTSC mode, 80ms in PAL mode)
10 = 6 fields (100ms in NTSC mode, 120ms in PAL mode)
11 = 8 fields (133ms in NTSC mode, 160ms in PAL mode)
1, 0
11
Blinking Duty Cycle (On : Off)
00 = BT : BT
01 = BT : (2 x BT)
10 = BT : (3 x BT)
11 = (3 x BT) : BT
Horizontal Offset Register (HOS)
Write address = 02H, read address = 82H.
Read/write access: unrestricted (Figure 23).
BIT
DEFAULT
FUNCTION
7, 6
00
Don’t Care
5–0
10 0000
Horizontal Position Offset
(OSD video is not inserted into the horizontal blanking interval)
00 0000 = Farthest left (-32 pixels)
10 0000 = No horizontal offset
11 1111 = Farthest right (+31 pixels)
MAX7456
26
Maxim Integrated
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