Specifications

F-1
F F
Appendix F -
Registers
Registers Specific to the EPC-8
Registers in the I/O space that are specific to the EPC-8 are defined below. Only
registers 0x8140-0x814F are "dual-ported" to both the PC and VME bus. The
addresses shown below are used by the PC port. The VME addresses for the registers
0x8140-0x814F are described later.
Bit
7
Bit
6
Bit
5
Bit
4
Bit
3
Bit
2
Bit
1
Bit
0 I/O Port
ARBPRI RELM ARBM GPO VGA VME-E VME-32 8102
Configuration
VMEbus Address bits 21-16 Res Res 8130
VME A21-16 Address Register
1 1 1 0 1 1 0 0 8140
ID Register, lower
1 0 1 1 1 1 1 1 8141
ID Register, upper
1 1 0 0 0 1 0 0 8142
Device Type Register, lower
0 0 0 0 0 0 0 S 8143
Device Type Register, upper
SRIE 1 SYSC 1 READY PASS NOSF SRST 8144
Status/Control Register, lower
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