Description

The EM84513BFPJ is a scrolling mouse controller specially designed to control 400cpi or 800cpi PS/2 mouse devices. It is a single chip that can interface four photocopiers plus z-axis directly to the 8042 controller.

Specifications and features

• Using 51k 5% resistor for RC oscillation.
• Compatible with legacy PS/2 mouse.
• Compatible with Microsoft scrolling mouse.
• Built-in noise immunity circuit.
• Built-in current comparator for photocopier input.
• Built-in three-step dynamic input impedance.
• Two types of Z-direction input:
• Photocopier input. (Z/4)
• Mechanical input. (Z/2)
• Two types of resolution (Selected by package type):
• 400CPI.
• 800CPI.
• Both key-press and key-release debounce interval 12 ms.
• The sampling rate of the motion detector is about 65KHz.
• Low power dissipation.
• Package types:
• EM84513AEP: 16DIP(300mil), 400CPI, Photocopier input. (Z/4)
• EM84513AFP: 16DIP(300mil), 400CPI, Mechanical input. (Z/2)
• EM84513BEP: 16DIP(300mil), 800CPI, Photocopier input. (Z/4)
• EM84513BFP: 16DIP(300mil), 800CPI, Mechanical input. (Z/2)

Application Scenarios

The EM84513BFPJ is suitable for use with PS/2 ball mice or optical mice.

Comparison

• Supports both 400CPI and 800CPI resolutions.
• Compatible with legacy PS/2 mouse and Microsoft scrolling mouse.
• Built-in noise immunity circuit for reliable performance.
• Low power dissipation for energy efficiency.

• Only available in 16DIP(300mil) package type.
• Limited to four photocopiers and z-axis input.