Hercules-EBX CPU User Manual V1.02
Page 77
Base + 28
Read
Chip ID LSB
Bit
No.
7 6 5 4 3 2 1 0
Name
ID7 ID6 ID5 ID4 ID3 ID2 ID1 ID0
Base + 29
Read
CHIP ID MSB
Bit
No.
7 6 5 4 3 2 1 0
Name
ID15 ID14 ID13 ID12 ID11 ID10 ID9 ID8
ID15-0
Indicates the unique chip ID according to a format TBD. Each revision of the chip,
whether prototype or production, standard or custom, contains a unique 16-bit ID to
enable software to distinguish between different versions.
ID15 = 0 indicates a prototype / unreleased version, and ID15 = 1 indicates a
released design.
The current revision code (as per this document) should be 0x8000 or higher, as per the
prototype / production criteria listed above.
10.1.5 PAGE 3 REGISTER DEFINITIONS
Base + 0
Write
Page Re Reset Command
Bit
No.
7 6 5 4 3 2 1 0
Name
HOLDOFF
RESET
PAGE1
PAGE0
See page 0 for the definition of this register.
Base + 1-31
Read
Copyright Notice
The remaining bytes 1-31 in page 3 are read-only and contain a copyright notice in 8-bit ASCII
format.