8042AH Datasheet - Intel

8042AH, Universal Peripheral Interface 8-Bit Slave Microcontroller

UPI-41AH 42AH UNIVERSAL PERIPHERAL INTERFACE 8-BIT SLAVE MICROCONTROLLER Y Y UPI-41 6 MHz UPI-42 12 5 MHz Pin Software and Architecturally Compatible.
Symbol DIP Pin No 1 39 PLCC Pin Type No 2 43 I Name and Function TEST 0 TEST 1 TEST INPUTS Input pins which can be directly tested using conditional.

Applications

* The 8242PC also contains Phoenix Technologies Ltd firmware This keyboard controller provides support for AT PS 2 and most EISA platforms as well as PS 2-style mouse support for either AT or PS 2 platforms The Intel 8242BB is programmed with IBM’s keyboard controller firmware The 8242BB provides an

8042AH_Intel.pdf