BU24591 Datasheet, PDF (5/8 Pages) Rohm – 4bit 1chip micro-controller for CD-DA

Optical ICs
!Input output circuit
TYPE A
TYPE B
TYPE C
BU24591
• Hysteresis input
TYPE D
• Hysteresis input with pull-down resistance.
• Hysteresis input with pull-up resistance which can be
turned ON/OFF by program.
TYPE E
TYPE F
• Hysteresis input with pull-up resistance or
Nch open drain output, which can be controlled
by program.
• Hysteresis input or CMOS output, which can be
controlled by program.
• LCD driver output. Only SEG can be switched into
CMOS output.
TYPE G
TYPE H
• Analog input or Hysteresis input, which can be
controlled by program.
• Input and output of oscillation circuit with STOP control.
∗ All digital inputs are CMOS gate input.
Fig.1
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