eUMC
UM82COl
: : : : : : : Capacitance Keyboard Encoder (CKE)
Features
• 16x8 matrix, can build up to 128 key capacitance keyboard
• Single chip with 16 scan drive outputs and 8 sense inputs
• Two types of package.
28 pin for 88 key KB and 40 pin for 128 key KB
• Keyboard scanning and encoding under complete control of the user's computer, especially UM8048 microcomputer
• Single 5V supply • High-speed
CMOS technology • Serve as easy interface to UM8048 • New
CMOS sense technology,
CMOS analog sense
circuit is built in • Byte wide sense, higher performance than serial sense
technology • Wide UM8048 frequency range, 1M to 11 MHz UM8048
can be used
General Description
UM82C01 is a
CMOS LS...