User Manual

CP382 Configuration
ID 24208, Rev. 01 © 2002 PEP Modular Computers GmbH Page 4 - 11
Table 4-12: Opcodes and Commands
Opcode A8..A0 Command
00 11xxxxxxx EWEN
10 xxxxxxxxx READ
01 xxxxxxxxx WRITE
Note...
The EWEN (Erase and Write Enable) command must be executed once before
the first write.
Table 4-13: ROM Status Register Bit Map
Bits Type Default Function
31 r/w 0 Busy/Ready
30-0 r/w 00 Reserved
Note...
As soon as the Startbit is set the Busy/Ready bit becomes active (Busy=1). It
remains set as long as the command is executed and is reset when command
execution is complete.
Table 4-14: ROM Data Register Bit Map
Bits Type Default Function
31-8 r/w 0 Reserved
7-0 r/w 0 Data (for data read and write commands)