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BU24591
EEWorld咨询电话：82357002，82350740－8068 邮件咨询：datasheet@eeworld.com.cn 器件描述：4bit 1chip micro-controller for CD-DA 器件厂商：ROHM [Rohm] 厂商主页：http://www.rohm.com/ 文件大小：101.16KB 文件页数：8 PDF阅读：BU24591.pdf (点击阅读器件资料) 摘要： 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 (VDD=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 +4.5VDDApplied voltage 500 ? ? 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 VDD 2.3 ? 3.6 V Input "H" voltage VIHS 0.75VDD ? VDD V Input "L" voltage VILS 0 ? 0.15VDD V 相关器件：

BU24591

EEWorld咨询电话：82357002，82350740－8068 邮件咨询：datasheet@eeworld.com.cn

器件描述：4bit 1chip micro-controller for CD-DA
器件厂商：ROHM [Rohm]
厂商主页：http://www.rohm.com/
文件大小：101.16KB
文件页数：8
PDF阅读：BU24591.pdf (点击阅读器件资料)

摘要：
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
(VDD=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 +4.5VDDApplied voltage
500
?
? 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 VDD 2.3 ? 3.6 V
Input "H" voltage VIHS 0.75VDD ? VDD V
Input "L" voltage VILS 0 ? 0.15VDD V

相关器件：

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