Tx Buffer Configuration - NEC uPD98502 User Manual

A transmit packet is configured by breaking up multiple data buffers in system memory. These data buffers are
bundled together in the buffer directory.
The formats of the Buffer directory, Buffer descriptor, and Link Pointer in the Tx buffer are as shown below.
CHAPTER 6 USB CONTROLLER
Figure 6-5. Tx Buffer Configuration
Tx Packet
Buffer
Directory
Buffer descriptor
Buffer descriptor
Buffer descriptor
Link pointer
Buffer descriptor
Buffer desc.(L=1)
Preliminary User's Manual S15543EJ1V0UM
Data
Buffer
Data
Buffer
Data
Buffer
Data
Buffer
Data
Buffer
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