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MAX6952EAX+ Datasheet

  • MAX6952EAX+

  • IC DRVR DSPL LED 36-SSOP

  • 395.90KB

  • 21页

  • Maxim   Maxim

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4-Wire Interfaced, 2.7V to 5.5V,
4-Digit 5
鉁?/div>
7 Matrix LED Display Driver
When blink is globally disabled, then only the digit data
in plane P0 is used to control the display. The digit data
in plane P1 is ignored.
Global Blink Timing Synchronization
(T Data Bit D4) Format
By setting the T bit in multiple MAX6952s at the same
time (or in quick succession), the blink timing can be
synchronized across all the devices (Table 11). Note
that the display multiplexing sequence is also reset,
which might give rise to a one-time display flicker when
the register is written.
Global Clear Digit Data (R Data Bit D5) Format
When global digit data clear is set, the digit data for both
planes P0 and P1 for all digits is cleared (Table 12).
Blink Phase Readback (P Data Bit D7) Format
When the configuration register is read, the P bit
reflects the state of the blink output pin at that time
(Table 13).
MAX6952
Character Generator Font Mapping
The font is a 5
鉁?/div>
7 matrix comprising 104 characters in
ROM, and 24 user-definable characters. The selection
from the total of 128 characters is represented by the
lower 7 bits of the 8-bit digit registers. The most-signifi-
cant bit, shown as x in the ROM map below, is zero to
light LEDs as shown by the black segments in Table
14, and 1 to display the inverse.
The character map follows the Arial font for 96 charac-
ters in the x0101000 through x1111111 range. The first
DOUT
CLK
MICROCONTROLLER
CS
DIN
CLK
CS
MAX6952
DOUT
DIN
CLK
CS
MAX6952
DOUT
DIN
CLK
CS
MAX6952
DOUT
DIN
Figure 6. MAX6952 Daisy-Chain Connection
Table 8. Blink Rate Selection (B Data Bit D2) Format
MODE
Slow blinking (Segments are refreshed using plane P0 for 1s, plane P1
for 1s, for OSC = 4MHz.)
REGISTER DATA
D7
P
D6
X
D5
R
D4
T
D3
E
D2
0
D1
X
D0
S
Table 9. Global Blink Enable/Disable (E Data Bit D3) Format
MODE
Blink function is disabled.
Blink function is enabled.
REGISTER DATA
D7
P
P
D6
X
X
D5
R
R
D4
T
T
D3
0
1
D2
B
B
D1
X
X
D0
S
S
______________________________________________________________________________________
11

MAX6952EAX+ 产品属性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 30

  • 集成电路 (IC)

  • PMIC - 显示器驱动器

  • -

  • LED

  • 5 x 7（矩阵）

  • 4 线串行

  • 4 位数字

  • 12mA

  • 2.7 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面贴装

  • 36-BSOP（0.295"，7.50mm 宽）

  • 36-SSOP

  • 管件

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