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CIC751
Micro Link Interface (MLI)
4.1.4.2
Write Offset and Data Frame
A Write Offset and Data Frame are used by the Local Controller to send an address
offset and data to the Remote Controller.
The Write Offset and Data Frame contains the following parts:
•
•
•
•
Header:
The header starts with Frame Code FC = 00B followed by the Pipe number PN of the
Transfer Window that has been the target of the write operation.
m-Bits of write offset:
These bits define the write offset. The value of m depends on the size of the Remote
Window, defined by the Copy Base Address Frame (m = 1-16).
Write data field:
The write data field can be 8, 16, or 32 bit wide, depending on the data width of the
write access to the Transfer Window.
Parity bit P.
Header
0 1 2 3 4
0 1 PN
12+m
m-Bit Offset Address
8-Bit Data
P
Header
0 1 2 3 4
0 1 PN
20+m
m-Bit Offset Address
16-Bit Data
P
Header
0 1 2 3 4
0 1 PN
36+m
m-Bit Offset Address
32-Bit Data
P
write_offs_data
Figure 4-7
Write Offset and Data Frame
Details about the Write Offset and Data Frame handling of the CIC751 are provided in
Chapter 4.2.1.2.
User Manual
MLI, V1.0
4-9
V 1.0, 2005-11