M82380 Datasheet, PDF (122/134 Pages) Intel Corporation – HIGH PERFORMANCE 32-BIT DMA CONTROLLER WITH INTEGRATED SYSTEM SUPPORT PERIPHERALS

M82380
APPENDIX B Ports Listed by Function (Continued)
Port Address (HEX)
Description
PROGRAMMABLE INTERVAL TIMER
40
Read Write Counter 0 Register
41
Read Write Counter 1 Register
42
Read Write Counter 2 Register
43
Write Control Word Register I Counter 0 1 2
44
Read Write Counter 3 Register
47
Write Word Register II Counter 3
CPU RESET
64
Write CPU Reset Register (Data-1111XXX0H)
WAIT STATE GENERATOR
72
Read Write Wait State Register 0
73
Read Write Wait State Register 1
74
Read Write Wait State Register 2
75
Read Write Refresh Wait State Register
DRAM REFRESH CONTROLLER
1C
Read Write Refresh Control Register
INTERNAL CONTROL AND DIAGNOSTIC PORTS
61
Write Internal Control Port
80
Read Write Internal Diagnostic Port 0
88
Read Write Internal Diagnostic Port 1
RELOCATION REGISTER
7F
Read Write Relocation Register
INTEL RESERVED PORTS
2A
Reserved
3D
Reserved
3E
Reserved
45
Reserved
46
Reserved
76
Reserved
77
Reserved
7D
Reserved
7E
Reserved
CC
Reserved
CD
Reserved
B-4