MAX6962ATH+T Maxim Integrated Products, MAX6962ATH+T Datasheet - Page 11

• Manufacturer Part Number: MAX6962ATH+T
• Description: IC DRVR LED 8X8 44-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX6962ATH+T

• Display Type: LED
• Configuration: 8 x 8 (Matrix)
• Interface: 4-Wire Serial
• Digits Or Characters: Any Digit Type
• Current - Supply: 7.5mA
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 44-TQFN Exposed Pad
• Number Of Segments: 64
• Low Level Output Current: 750 mA
• High Level Output Current: 48 mA
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Supply Current: 9 mA
• Maximum Power Dissipation: 2162 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Eight-bit transmissions are write-only, data-only
accesses that write data to the display memory indi-
rected by the global display indirect address register
(Figure 6). The global display indirect address register
autoincrements after the write access. Eight-bit trans-
missions provide the quickest method of updating a
plane of display memory of the MAX6960. It is the most
suitable display update method if the host system
builds an image in local memory, and then dumps the
image into a display plane of the MAX6960.
Sixteen-bit transmissions are read/write, command-
and-data accesses to the MAX6960’s configuration
registers (Figure 7). A write can generally be global
(updates all MAX6960s on the 4-wire bus with the same
Table 7. Register Addressing Modes
8-bit indirect display
memory addressing.
Address is global display
indirect address (14 bits)
stored as {MSB, LSB} in
{register 0x0A, register
0x09}.
16-bit device addressing.
Factory reserved; do not
write to this address.
24-bit direct display
memory addressing
(monocolor 1 bit per
pixel).
24-bit direct display
memory addressing
(RGY 1 bit per pixel).
24-bit direct display
memory addressing
(monocolor 2 bits per
pixel).
24-bit direct display
memory addressing
(RGY 2 bits per pixel).
DATA FORMAT
______________________________________________________________________________________
R/W
R/W
R/W
R/W
16-Bit Transmissions
X
X
X
X
8-Bit Transmissions
0, 1, 2, 3
0, 1, 2, 3
8 x 8 Matrix Graphic LED Drivers
Planes
Planes
Planes
Planes
—
0, 1
0, 1
—
12-bit addressing across 256 drivers,
4096 x 8 red pixels
12-bit addressing across 256 drivers,
2048 x 8 red pixels, and
2048 x 8 green pixels
13-bit addressing across 256 drivers,
4096 x 4 red pixels
13-bit addressing across 256 drivers,
4096 x 4 red pixels, and
4096 x 4 green pixels
8-, 16-, OR 24-BIT DATA PACKET SENT TO MAX6960
—
4-Wire Serially Interfaced
R/W AI L/G
data) or specific (updates just the MAX6960 indirected
by the global driver indirect address register). Note:
The global driver indirect address register selects a
specific MAX6960. This is not the same as the glob-
al display indirect address register, which points to
display memory that could be in any MAX6960. A
16-bit read is always indirected through the global dri-
ver indirect address register to select only one
MAX6960 to respond. When a read or write is indirect-
ed through the global driver indirect address register,
the 16-bit command can choose whether the global dri-
ver indirect address is autoincremented after the com-
mand has been executed. This allows the host to set up
one or more registers in consecutive MAX6960s with
the display indirect address, autoincrementing only
when required.
0
1
address
4-bit
8 bits of display memory
8 bits of driver register data
8 bits of display memory
(1 bit per pixel)
8 bits of display memory
(1 bit per pixel)
8 bits of display memory
(2 bits per pixel)
8 bits of display memory
(2 bits per pixel)
—
11