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Y 8742: 12 MHz

Y Pin, Software and Architecturally

Compatible with 8741A

Y 8-Bit CPU plus ROM, RAM, I/O, Timer

and Clock in a Single Package

Y 2048 x 8 EPROM, 128 x 8 RAM, 8-Bit

Timer/Counter, 18 Programmable I/O

Pins

Y One 8-Bit Status and Two Data

Registers for Asynchronous Slave-to-

Master Interface

Y DMA, Interrupt, or Polled Operation

Supported

Y Fully Compatible with all Intel and Most

Other Microprocessor Families

Y Expandable I/O

Y RAM Power-Down Capability

Y Over 90 Instructions: 70 Single Byte

Y Available in EXPRESS

DStandard Temperature Range