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參數(shù)資料
| 型號： | BU24591 |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, MICROCONTROLLER, PQFP64 |
| 封裝： | QFP-64 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 101K |
| 代理商： | BU24591 |
BU24591
Optical ICs
1/7
4bit 1chip micro-controller for CD-DA
BU24591
The BU24591 is a 4bit 1chip micro-controller for CD-DA that integrates multiple I/O, such as 8bit 8-channel AD converter,
pulse width counter, two lines of SIO, and LCD controller driver with 80 segment (Max.). All LCD segment can be
switched into CMOS output by the program. These I/O achieves multi-function with few pins.
!
Applications
Portable CD-DA, CD radio cassette player
!
Features
1) Low voltage, high-speed operation
(V
DD
=2.3 to 3.6V at 4.4MHz)
2) Built-in 8bit 8-channel AD converter
3) Built-in pulse width counter
4) Built-in two lines of SIO
5) Built-in LCD controller driver with 20 segments, 4 common (With 3 common available)
6) All segment output of LCD controller driver can be switched into CMOS output by the program.
!
Absolute maximum ratings
(Ta=25
°
C)
Parameter
Symbol
Limits
Unit
V
Power dissipation
Pd
mW
Operating temperature range
Topr
°
C
Storage temperature range
Tstg
°
C
25 to
+
75
55 to
+
125
0.3 to
+
4.5
500
V
DD
Applied voltage
Reduced by 5mW for each increase in Ta of 1
°
C over 25
°
C.
!
Recommended operating conditions
(Ta=25
°
C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Power supply voltage
V
DD
2.3
3.6
V
Input "H" voltage
V
IHS
0.75V
DD
V
DD
V
Input "L" voltage
V
ILS
0
0.15V
DD
V
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