BU24591 Datasheet - Rohm

BU24591 4bit 1chip micro-controller for CD-DA

Pin No. Pin name I/O * * SEG00 SEG01 SEG02 SEG03 SEG04 SEG05 SEG06 SEG07 SEG08 SEG09 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PWC P13 P12 P11 P10 P03 P02 P01 P00 SCK0 SIO0 SIN0 SEG19 SEG18 SEG17 SEG16 Function 4-bit input or output. Input/Output.

BU24591 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

BU24591_Rohm.pdf