參數(shù)資料
型號(hào)： MSC1215
廠商： OKI SEMICONDUCTOR CO., LTD.
英文描述： 17×2 Duplex Driver with Dimming, Keyscan and A/D Converter Function(具有模糊、關(guān)鍵掃描、模/數(shù)轉(zhuǎn)換功能的17×2顯示雙向驅(qū)動(dòng)器)
中文描述： 17 × 2雙驅(qū)動(dòng)器，調(diào)光，鍵盤掃描和A / D轉(zhuǎn)換器功能（具有模糊，關(guān)鍵掃描，模/數(shù)轉(zhuǎn)換功能的17 × 2顯示雙向驅(qū)動(dòng)器）
文件頁(yè)數(shù)： 1/22頁(yè)
文件大小： 143K
代理商： MSC1215
1/22
Semiconductor
MSC1215-xx
GENERAL DESCRIPTION
The MSC1215-xx is a 1/2-duty vacuum fluorescent display tube driver implemented in Bi-
CMOS technology. This LSI consists of a 37-bit shift register, 34 latches, an analog dimming
circuit, (a PWM conversion circuit), a 3
￥
4 keyscan circuit, a 6ch-6-bit A/D converter and 17
segment drivers, and 2-grid pre-drivers.
The MSC1215-xx has capabilities of displaying audio system frequencies and various informa-
tions on a VFD tube for the automobile application and also interfacing with keyboard inputs and
on an analog volume input.
For automobile audio systems, the front panel functions (such as a frequency display, keyboard
input and analog voltage input from a volume) can be accomplished by this IC.
The analog dimming/PWM conversion modes can be selected automatically for the brightness
control, so this IC is applicable to any type of automobile without any change of the specifica-
tions.
The interface with a MCU can be done only with 3 wires (CS, DATA I/O and CLOCK signals).
Also, DATA I/O and CLOCK signal lines can be shared with other peripherals because of chip
select function by CS signal.
FEATURES
Power supply voltage
Operating temperature range
17-segment driver outputs (I
OH
=–5mA at V
OH
=V
DD
–0.8 V)
Built-in analog dimming circuit (6-bit resolution, user-programmable)
Built-in PWM conversion circuit (Lamp PWM signal to vacuum fluorescent display PWM
signal)
Built-in automatic-selection circuit for analog dimming/PWM conversion function
Built-in 6ch 6-bit A/D converter
Built-in 3
￥
4 Keyscan circuit
Built-in oscillation circuit (external R and C, f
OSC
=3.3 MHz)
Built-in Power-On-Reset circuit
Package:
42-pin plastic DIP (DIP 42-P-600-2.54) (Product name: MSM1215-xxRS)
xx indicates the code number.
: V
DD
=8 to 18 V
: Ta=–40 to +85
°
C)
17
￥
2 Duplex Driver with Dimming, Keyscan and A/D Converter Function
E2C0022-27-Y3
This version: Nov. 1997
Previous version: Jul. 1996
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參數(shù)描述
MSC1215-XX 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:17 x 2 Duplex Driver with Dimming, Keyscan and A/D Converter Function
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