UM686 Search Results

um6868

Abstract: MDDI UM6551 UM68681 A2C5
Contextual Info: 1 UM6551 Asynchronous Communication Interface Adapter FEATURES PIN C O N F IG U R A T IO N • On-chip Baud Rate Generator: 16 Programmable Baud Ratos Derived from a Standard 1.8432 M H z Extarnal Crystal <50 to 19,200 Baud . ■ Programmable Interrupt and Status Register to Sim plify

Contextual Info: \ UNITE» MI CRO E L E C T R ON I C S *ÌE D Ë J ^355012 0000505 3 .9 3 25812 U N ITED M I C R O E L E C T R O N I C S UM6551 92D 00505 T - - 7 S - 37 - o y- Asynchronous Communication Interface Adapter FEATURES PIN CONFIGURATION • On-chip Baud Rate Generator: 15 Programmable Baud

UM6868A

Abstract: um6868 counter 7469 Novatek TCON 6502 CPU 1mhz 8084 microcontroller 1/RBS 6502 8084 microcontroller block diagram NT6880H nt6868a
Contextual Info: NT6880 Keyboard Controller Features T T T T T T T T Built-in 6502 8-bit CPU 2 MHz CPU operation frequency 5K bytes of ROM 160 bytes of SRAM One 8-bit programmable base timer with 1 - 256 µsec interval 29 programmable bi-directional I/O pins 3 LED direct sink pins