NUMICRO-SDK Nuvoton Technology Corporation of America, NUMICRO-SDK Datasheet - Page 453

• Manufacturer Part Number: NUMICRO-SDK
• Description: KIT EVAUATION NUC100/120/130/140
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro™r
• Type: MCUr

Specifications of NUMICRO-SDK

• Contents: Board, Cable, CD, Nu-Link
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: NUC100, NUC120, NUC130, NUC140

5.14 PS2 Device Controller (PS2D)
5.14.1 Overview
5.14.2 Features
PS/2 device controller provides basic timing control for PS/2 communication. All communication
between the device and the host is managed through the CLK and DATA pins. Unlike PS/2
keyboard or mouse device controller, the received/transmit code needs to be translated as
meaningful code by firmware. The device controller generates the CLK signal after receiving a
request to send, but host has ultimate control over communication. DATA sent from the host to
the device is read on the rising edge and DATA sent from device to the host is change after rising
edge. A 16 bytes FIFO is used to reduce CPU intervention. S/W can select 1 to 16 bytes for a
continuous transmission.
Host communication inhibit and request to send detection
Reception frame error detection
Programmable 1 to 16 bytes transmit buffer to reduce CPU intervention
Double buffer for data reception
S/W override bus
NuMicro™ NUC100 Series Technical Reference Manual
- 453 -
Publication Release Date: Oct 22, 2010
Revision V1.06