MAX7456EUI+T Maxim Integrated Products, MAX7456EUI+T Datasheet - Page 24

• 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

Single-Channel Monochrome On-Screen
Display with Integrated EEPROM
Access to all MAX7456 operations, including display-
memory and character-memory access, are through
the SPI registers listed in Table 3. There is no direct
access to the display and character memories through
the SPI port. See the Applications Information section
Table 3. Register Map
X = Don’t care.
24
ADDRESS
______________________________________________________________________________________
WRITE
MAX7456 Register Description
0AH
0BH
0CH
1AH
1BH
1CH
1DH
1EH
6CH
00H
01H
02H
03H
04H
05H
06H
07H
08H
09H
10H
11H
12H
13H
14H
15H
16H
17H
18H
19H
1FH
—
—
—
ADDRESS
READ
ECH
8AH
8BH
8CH
9AH
9BH
9CH
9DH
9EH
AxH
BxH
CxH
80H
81H
82H
83H
84H
85H
86H
87H
88H
89H
90H
91H
92H
93H
94H
95H
96H
97H
98H
99H
9FH
REGISTER
OSDBL
NAME
DMAH
CMAH
OSDM
DMDO
CMDO
DMAL
CMAL
DMDI
CMDI
DMM
CMM
RB10
RB11
RB12
RB13
RB14
RB15
STAT
HOS
VM0
VM1
VOS
RB0
RB1
RB2
RB3
RB4
RB5
RB6
RB7
RB8
RB9
Video Mode 0
Video Mode 1
Horizontal Offset
Vertical Offset
Display Memory Mode
Display Memory Address High
Display Memory Address Low
Display Memory Data In
Character Memory Mode
Character Memory Address High
Character Memory Address Low
Character Memory Data In
OSD Insertion Mux
Row 0 Brightness
Row 1 Brightness
Row 2 Brightness
Row 3 Brightness
Row 4 Brightness
Row 5 Brightness
Row 6 Brightness
Row 7 Brightness
Row 8 Brightness
Row 9 Brightness
Row 10 Brightness
Row 11 Brightness
Row 12 Brightness
Row 13 Brightness
Row 14 Brightness
Row 15 Brightness
OSD Black Level
Status
Display Memory Data Out
Character Memory Data Out
for step-by-step descriptions of the SPI operations
needed to access the memories.
The register format used in this data sheet is
REGISTER_NAME [BIT_NUMBERS]. For example, bit 1 in
Video Mode 0 register is written as VM0[1].
DESCRIPTION
REGISTER