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參數(shù)資料
| 型號： | BU34381 |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 4.4 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | QFP-64 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大小： | 211K |
| 代理商： | BU34381 |
91
Optical disc ICs
Single-chip 4-bit microcontroller for
CD-DA
BU34381
The BU34381 is a 4-bit microcomputer designed for CD-DA players, and has a wide array of internal I / O components,
including an 8-bit, 8-channel AD converter, pulse width counter (PWC), two serial I / O, and an LCD controller / driver
capable of displaying up to 80 segments. All LCD segments are programmable for CMOS output. These I / O compo-
nents allow for multifunction applications with a low number of pins.
Applications
Portable CD-DA players, portable CD stereos
Features
1) High speed operations and low voltage. (V
DD
= 2.7
5.5V at 4.4MHz)
2) Internal 8-bit, 8-channel AD converter.
3) Internal pulse width counter.
4) Two internal serial input / outputs.
5) Internal 20-segment, 4-common LCD control-
ler / driver. (usable with 3 commons)
6) All segments output by the LCD controller / driver are
programmable for CMOS output.
Absolute maximum ratings (Ta = 25 C)
Recommended operating conditions (Ta = 25 C)
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相關代理商/技術參數(shù) |
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