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BU34675 数据表(PDF) 1 Page - Rohm |
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BU34675 数据表(HTML) 1 Page - Rohm |
1 / 7 page 569 Optical disc ICs Single-chip 4-bit microcontroller for CD-DA BU34675 The BU34675 is a compact 4-bit, single-chip microcontroller that includes all the I / O required for CD system control. Circuits on the chip include a pulse width measurement counter (PWC), SIO, and an LCD controller / driver for a 28-seg- ment display. The LCD segments can all be switched in software to CMOS output, and the extensive I / O allows many functions with a low pin count. FApplications Portable CD-DA, CD / radio / cassette players FFeatures 1) Low-voltage, high-speed operation (VDD = 2.3 to 5.5V at 4.4MHz). 2) Pulse width measurement counter on chip (for re- mote control reception). 3) SIO provided for communication with the DSP. 4) Seven-segment, four-common LCD controller / driv- er on chip. 5) All segments of the LCD controller / driver output can be switched to CMOS output using software. FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions (Ta = 25_C) |
类似零件编号 - BU34675 |
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类似说明 - BU34675 |
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