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APPENDIX A I/O REGISTER LIST
0xffff80–0xffff90
Register name Address
Bit
Vector Table
0xffff80
D31–24 –
Base Register
(32 bits)
D23–0 TTBR[23:0] Vector table base address
(TTBR)
Processor ID
0xffff84
D7–0 IDIR[7:0]
Register
(8 bits)
(IDIR)
Debug RAM
0xffff90
D31–24 –
Base Register
(32 bits)
D23–0 DBRAM[23:0] Debug RAM base address
(DBRAM)
328
Name
Function
Unused (fixed at 0)
Processor ID
0x10: S1C17 Core
Unused (fixed at 0)
EPSON
S1C17 Core I/O
Setting
Init. R/W
0x0
0x0
R
0x8000
0x80
R
00
0x10
0x10
R
0x0
0x0
R
0x7c0
0x7c0
R
S1C17001 TECHNICAL MANUAL
Remarks
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