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Page 10 Epson Research and Development
Vancouver Design Center
S1D13708 13708PLAY Diagnostic Utility
X39A-B-002-01 Issue Date: 01/11/16
X[8|16|32] [index [data]]
Reads/writes data to the register at index. If no data is specified, the register is read and the
contents are displayed.
Where:
8|16|32 The unit size: 8-bit (bytes), 16-bit (words), 32-bit (dwords).
If a unit size is not specified, this command uses the unit size
from the last X command performed. If no previous X
command has been issued, the unit size defaults to 8-bit.
index Index into the registers (hex).
data The value to be written to the register. Numbers are
assumed to be hexadecimal values unless otherwise
specified with the correct suffix (binary = i, octal = o,
decimal = t, hexadecimal = h).
For example, 101i = 101 binary.
XI index
This command is for testing the indirect interface ONLY.
XI will write index to the command portion of the indirect interface cmd/data cycle. The
data portion will NOT be accessed.
Where:
index The command portion of the indirect interface cmd/data
cycle. This is effectively the register index (hex).
?
Displays the help screen. The help screen contains a summary of all available commands.