Datasheet Summary
UPI-41AH 42AH UNIVERSAL PERIPHERAL INTERFACE 8-BIT SLAVE MICROCONTROLLER
UPI-41 6 MHz UPI-42 12 5 MHz Pin Software and Architecturally patible with all UPI-41 and UPI-42 Products 8-Bit CPU plus ROM OTP EPROM RAM I O Timer Counter and Clock in a Single Package 2048 x 8 ROM OTP 256 x 8 RAM on UPI-42 1024 x 8 ROM OTP 128 x 8 RAM on UPI-41 8-Bit Timer Counter 18 Programmable I O Pins One 8-Bit Status and Two Data Registers for Asynchronous Slave-toMaster Interface DMA Interrupt or Polled Operation Supported
Fully patible with all Intel and Most Other Microprocessor Families Interchangeable ROM and OTP EPROM Versions Expandable I O Sync Mode Available Over 90 Instructions 70%...