8042AH microcontroller equivalent, universal peripheral interface 8-bit slave microcontroller.
of the 8242WA
Contact factory for current code revision available in all versions of the 8242 product lines
2
Free Datasheet http://www.datasheet4u.com/
UPI-41AH 42AH.
The 8242PC also contains Phoenix Technologies Ltd firmware This keyboard controller
provides support for AT PS 2 and mo.
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 branch instructions FREQUENCY REFERENCE TEST 1 (T1) also functions as the event timer input (under .
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