BU34675 - Single-chip 4-bit microcontroller

Rohm

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Datasheet Details

Part number	BU34675
Manufacturer	ROHM
File Size	148.90 KB
Description	Single-chip 4-bit microcontroller
Datasheet	BU34675_Rohm.pdf

BU34675 Product details

Description

BU34675 571 Optical disc ICs FInput / output circuits BU34675 572 Optical disc ICs FElectrical characteristics (unless otherwise noted, Ta = 25_C and VDD = 5V) BU34675 573 Optical disc ICs FElectrical characteristics (unless otherwise noted, Ta = 25_C and VDD = 3V) BU34675 574 Optical disc ICs FExplanation of the hardware (1) Operates of a single power supply (VDD = 2.3 to 5.5V).(2) Memory size ROM: 6144 8 bits RAM: 256 4 bits LCD display RAM : 7 4 bits (3) Instruction time (one cy

Features

1) Low-voltage, high-speed operation (VDD = 2.3 to 5.5V at 4.4MHz). 2) Pulse width measurement counter on chip (for remote control reception). 3) SIO provided for communication with the DSP. 4) Seven-segment, four-common LCD controller / driver 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) 569 Optical disc ICs FBlock diagram BU34675 570 Optic.

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Published: Apr 17, 2005 |