
EZ-USB FX2 Technical Reference Manual
Page 15-82 EZ-USB FX2 Technical Reference Manual v2.1
15.11.21 Setup Data - 8 Bytes
Figure 15-92. Setup Data - 8 Bytes
The setup data bytes are defined as follows:
SETUPDAT[0] = bmRequestType
SETUPDAT[1] = bmRequest
SETUPDAT[2:3] = wValue
SETUPDAT[4:5] = wIndex
SETUPDAT[6:7] = wLength
This buffer contains the 8 bytes of SETUP packet data from the most recently received CONTROL
transfer.
The data in SETUPBUF is valid when the SUDAV (Setup Data Available) Interrupt Request bit is
set.
SETUPDAT 8 Bytes of Setup Data E6B8-E6BF
b7 b6 b5 b4 b3 b2 b1 b0
D7 D6 D5 D4 D3 D2 D1 D0
R R R R R R R R
x x x x x x x x
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