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參數(shù)資料
| 型號： | ML9211 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | 56-Bit Duplex/Triplex (1/2 duty / 1/3 duty) VF Controller/Driver with Digital Dimming |
| 中文描述： | 56位雙/三層（1 / 2的責(zé)任/ 1 / 3的責(zé)任）變頻控制器/數(shù)字調(diào)光驅(qū)動器 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 230K |
| 代理商： | ML9211 |
Semiconductor
ML9211
1/19
GENERAL DESCRIPTION
The ML9211 is a full CMOS controller/driver for Duplex or Triplex (1/2 duty or 1/3 duty)
vacuum fluorescent display tube. It consists of a 56-segment driver multiplexed to drive up to
168 segments, and 10-bit digital dimming circuit.
ML9211 features a selection of a master mode and a slave mode, and therefore it can be used to
expand segments for the VFD driver with keyscan and A/D converter function.
ML9211 provides an interface with a microcontroller only by three signal lines: DATA IN,
CLOCK and CS.
FEATURES
Logic supply voltage (V
DD
)
Driver supply voltage (V
DISP
)
Duplex/Triplex (1/2 duty / 1/3 duty) selectable
DUP/
TRI
=1/2 duty selectable at "H" level
DUP/
TRI
=1/3 duty selectable at "L" level
Number of display segments
Max. 112-segment display (during 1/2 duty mode)
Max. 168-segment display (during 1/3 duty mode)
Master/Slave selectable
M/
S
=Master mode selectable at "H" level
M/
S
=Slave mode selectable at "L" level
Interface with a microcontroller
Three lines: CS, CLOCK, and DATA IN
56-segment driver outputs
(can be directly connected to VFD tube
and require no external resistors)
3-grid pre-driver outputs
(require external drivers)
Logic outputs
: 4.5 to 5.5V
: 8 to 18V
: I
OH
=–5mA at V
OH
=V
DISP
–0.8V (SEG1 to 37)
: I
OH
=–10mA at V
OH
=V
DISP
–0.8V (SEG38 to 56)
: I
OL
=500
m
A at V
OL
=2V (SEG1 to 56)
: I
OH
=–5.0mA at V
OH
=V
DISP
–0.8V
I
OL
=10mA at V
OL
=2V
: I
OH
=–200
m
A at V
OH
=V
DD
–0.8V
I
OL
=200
m
A at V
OL
=0.8V
Built-in digital dimming circuit (10-bit resolution)
Built-in oscillation circuit (external R and C)
Built-in Power-On-Reset circuit
Package options:
80-pin plastic QFP (QFP80-P-1420-0.80-BK)
80-pin plastic QFP (QFP80-P-1414-0.65-K)
Product name: ML9211GA
Product name: ML9211GP
Peimnay
56-Bit Duplex/Triplex (1/2 duty / 1/3 duty) VF Controller/Driver with Digital Dimming
E2C0045-19-83
This version: Aug. 1999
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