DIGITAL-LOGIC MICROSPACE MSEP800 Technical User's Manual page 51

DIGITAL-LOGIC AG
I/O Addr. Function
000h Slave DMA Address - Channel 0
001h Slave DMA Counter - Channel 0
002h Slave DMA Address - Channel 1
003h Slave DMA Counter - Channel 1
004h Slave DMA Address - Channel 2
005h Slave DMA Counter - Channel 2
006h Slave DMA Address - Channel 3
007h Slave DMA Counter - Channel 3
Slave DMA Command/Status - Channels
008h
[3:0]
009h Slave DMA Request - Channels [3:0]
00Ah Slave DMA Mask - Channels [3:0]
00Bh Slave DMA Mode - Channels [3:0]
00Ch Slave DMA Clear Pointer - Channels [3:0]
00Dh Slave DMA Reset - Channels [3:0]
00Eh Slave DMA Reset Mask - Channels [3:0]
00Fh Slave DMA General Mask - Channels [3:0] 8-bit
010h- 01Fh
No Specific Usage
020h PIC Master - Command/Status
021h PIC Master - Command/Status
022h- 03Fh
No Specific Usage
040h PIT – System Timer
041h PIT – Refresh Timer
042h PIT – Speaker Timer
043h PIT – Control
044h- 05Fh
No Specific Usage
060h Keyboard/Mouse - Data Port
061h Port B Control
062h- 063h No Specific Usage
064h Keyboard/Mouse - Command/ Status
065h- 06Fh
No Specific Usage
070h- 071h
RTC RAM Address/Data Port
072h- 073h
High RTC RAM Address/Data Port
074h- 077h
No Specific Usage
078h- 07Fh
No Specific Usage
080h Post Code Display
081h DMA Channel 2 Low Page
082h DMA Channel 3 Low Page
083h DMA Channel 1 Low Page
084h- 086h No Specific Usage
Size R/W Comment
8-bit Yes 16-bit values in two transfers.
8-bit Yes 16-bit values in two transfers.
8-bit Yes 16-bit values in two transfers.
8-bit Yes 16-bit values in two transfers.
8-bit Yes 16-bit values in two transfers.
8-bit Yes 16-bit values in two transfers.
8-bit Yes 16-bit values in two transfers.
8-bit Yes 16-bit values in two transfers.
8-bit Shw$
8-bit WO Reads return value B2h.
8-bit Shw@ Reads return value B2h.
8-bit Shw@ Reads return value B2h.
8-bit WO Reads return value B2h.
8-bit WO Reads return value B2h.
8-bit Shw@ Reads return value B2h.
Shw@ Reads return value B2h.
--- ---
8-bit Shw$
8-bit Shw$
--- ---
8-bit Shw$
8-bit Shw$
8-bit Shw$
8-bit Shw$
--- ---
If KEL Memory Offset 100h[0] =
1(EmulationEnable bit).
8-bit Yes
If MSR 5140001Fh[0] = 1 (SNOOP bit) and
KEL Memory Offset 100h[0] = 0 (Emula-
tionEnable bit).
8-bit Yes
--- ---
If KEL Memory Offset 100h[0] = 1
(EmulationEnable bit).
.
8-bit Yes
If MSR 5140001Fh[0] = 1 (SNOOP
bit) and KEL Memory Offset 100h[0]
= 0 (EmulationEnable bit)
--- ---
8-bit Yes Options per MSR 51400014h[0]. (Note 1)
8-bit Yes Options per MSR 51400014h[1].
--- ---
--- ---
8-bit Rec Write LPC and DMA. Read only DMA.
Upper addr bits [23:16]. Write LPC and
8-bit Rec
DMA. Read only DMA.
8-bit Rec Write LPC and DMA. Read only DMA.
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MSEP800 Manual V1.0G