Universal Peripheral Interface User's Manual
UPI-C42/UPI-L42
UPI-C42/L42 PRODUCT SELECTION GUIDE
UPI-C42: Low power CHMOS version of the UPI-42.
Device Package ROM OTP Comments
80C42 N, P S 4K ROM Device
82C42PC N, P, S Phoenix MultiKey/42 firmware, PS/2 style mouse support
82C42PD N, P, S Phoenix MultiKey/42L firmware, KBC and SCC for portable apps.
82C42PE N, P, S Phoenix MultiKey/42G firmware, Energy Efficient KBC solution
87C42 N, P, S 4K One Time Programmable Version
UPI-L42: The low voltage 3.3V version of the UPI-C42.
Device Package ROM OTP Comments
80L42 N, P S 4K ROM Device
82L42PC N, P, S Phoenix MultiKey/42 firmware, PS/2 style mouse support
82L42PD N, P, S Phoenix MultiKey/42L firmware, KBC and SCC for portable apps.
87L42 N, P, S 4K One Time Programmable Version
N
e
44 lead PLCC, P
e
40 lead PDIP, S
e
44 lead QFP, D
e
40 lead CERDIP
KBC
e
Key Board Control, SCC
e
Scan Code Control
THE INTEL 82C42
As shown in the UPI-C42 product matrix, the UPI-
C42 is offered as a pre-programmed 80C42 with var-
ious versions of MultiKey/42 keyboard controller
firmware developed by Phoenix Technologies Ltd.
The 82C42PC provides a low powered solution for
industry standard keyboard and PS/2 style mouse
control. The 82C42PD provides a cost effective
means for keyboard and scan code control for note-
book platforms. The 82C42PE allows a quick time to
market, low cost solution for energy efficient desk-
top designs.
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