VSC6134
Datasheet
Write Operation
The following figure shows a flowchart of the sequence of events for a write operation.
Figure 57. Write Operation Sequence for Motorola Pseudo-Synchronous Interface
Microprocessor
VSC6134
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Place Address on
ADDR[11:0]
Assert ASN.
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Latch Address
Determine Read or
Write Command
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Set RWN =0
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Place Data on
DATA[15:0]
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Latch Data
Write Register
Assert DTACKN
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Detect DTACKN
Negate ASN
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Negate DTACKN
Start New Cycle
178 of 438
VMDS-10185 Revision 4.0
July 2006