3 i/o-interface address map, Ace-b2019/a i/o address map, Revision: 1.0 43 – Acrosser ACE-MINI User Manual
Page 43
Revision: 1.0
43
3.4.3 I/O-Interface Address Map
The following table shows the I/O Address map, including descriptions and their offset
addresses relative to the “PCI Base Address1”.
ACE-B2019/A I/O Address map
32 bit Register
I/O Offset
Address
31 24
23 16
15 8
7 0
Software
Readabl
e
Software
Writable
00h
Reserved
SRAM operation
mode
Yes Yes
04h
Reserved DIP
Switch
Yes No
08h
Reserved
Interrupt & Timer Enable Register
Yes
Yes
0Ch
Reserved
I/O & Timer Interrupt Source Registers
Yes
No
10h
Reserved
Port BCD Mode
Yes
Yes
14h Reserved
Port
A
Data
Yes
Yes
18h
Reserved
Port B Data
Yes
Yes
1Ch
Reserved
Port C Data
Yes
Yes
20h
Reserved
Port D Data
Yes
Yes
24h
Reserved
Port EFGH Mode
Yes
Yes
28h
Reserved
Port E Data
Yes
Yes
2Ch
Reserved
Port F Data
Yes
Yes
30h Reserved
Port
G
Data
Yes
Yes
34h
Reserved
Port H Data
Yes
Yes
38h
Reserved
Port IJKL Mode
Yes
Yes
3Ch
Reserved
Port I Data
Yes
Yes
40h
Reserved
Port J Data
Yes
Yes
44h
Reserved
Port K Data
Yes
Yes
48h
Reserved
Port L Data
Yes
Yes
4Ch
TIMER-A
Register
Yes
Yes
50h
TIMER-B
Register
Yes
Yes
54h
TIMER-C
Register
Yes
Yes
58h
TIMER-D
Register
Yes
Yes
5Ch
Timer
Resolution
Yes
Yes
60h
Port D de-bounce
Port C de-bounce
Port B de-bounce
Port A de-bounce
Yes
Yes
64h
Port H de-bounce
Port G de-bounce
Port F de-bounce
Port E de-bounce
Yes
Yes
68h
Port L de-bounce
Port K de-bounce
Port J de-bounce
Port I de-bounce
Yes
Yes
6Ch
70h
Reserved
REEL Interrupt
REEL Enable
REEL Function
Enable
80h
REEL A Lamp
REEL A Feedback Pattern
REEL A Status
84h
REEL A Running Steps
REEL A Timing
88h
Reserved
REEL A Steps
8Ch
Reserved
90h
REEL B Lamp
REEL B Feedback Pattern
REEL B Status
94h
REEL B Running Steps
Motor B Timing