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CHAPTER 29 USB FUNCTION
Bit0-8
736
Bit names
PKS
• This bit specifies the maximum number transfer per packet. The
• Writing any number greater than the maximum number of
• "00" must be writen in bits 7 and 8 for endpoints 2 to 5.
• When in automatic buffer transfer mode (DMAE=1), setting bits
following table shows the maximum packet number to be
transfered that can be specified for each endpoint:
Endpoint
Max number of transfer
1
256 bytes
2 to 5
64 bytes
transfer possible (100
or 40
H
0 to 2 of the corresponding endpoint is forbidden.
Function
Possible values
001h to 100h
01h to 40h
) and "00
" is prohibited.
H
H
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