MAX7456EUI+T Maxim Integrated Products, MAX7456EUI+T Datasheet - Page 35

• Manufacturer Part Number: MAX7456EUI+T
• Description: IC DISPLAY 1CH W/EEPROM 28TSSOP
• Manufacturer: Maxim Integrated Products
• Type: OSD (On-Screen Display) Video Generatorr

Specifications of MAX7456EUI+T

• Applications: Security Systems, Video Routing
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Current - Supply: 58mA
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Interface: SPI Serial
• Display Type: OSD
• Digits Or Characters: 256 Characters
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Configuration: -
• Lead Free Status / Rohs Status: Details

Write address = 0CH, read address = 8CH.
Read/write access: unrestricted.
Address = 10H + row number; write address = 10H
through 1FH, read address = 90H through 9FH,
read/write access: unrestricted.
5, 4, 3
2, 1, 0
BIT
7, 6
BIT
7–4
3, 2
1, 0
OSD Insertion Mux Register (OSDM)
DEFAULT
DEFAULT
0000
011
011
______________________________________________________________________________________
00
00
01
Row N Brightness Register
Single-Channel Monochrome On-Screen
Don’t Care
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)
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)
Don’t Care
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%
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%
Display with Integrated EEPROM
(RB0–RB15)
Top row number is 0. Bottom row number is 13 in NTSC
mode and 15 in PAL mode (see Figure 23).
FUNCTION
FUNCTION
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