m5m51016btp Renesas Electronics Corporation., m5m51016btp Datasheet - Page 140

• Manufacturer Part Number: m5m51016btp
• Description: Renesas 16-bit Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Figure 2.8.4. Control transfer communication sequence
Control trasnfer
Control Read
Control Write
No-data Control
The control transfer is used common to all devices at the time of setup, which consists of three kinds
of stages being combined for one processing. The control transfer starts with setup stage. According
to the content, data stage (control read transfer or control write transfer) is executed, followed by
status stage being executed to finally complete one processing. In control transfer, use of endpoint 0
has been specified.
The communication sequence of control transfer is shown in Figure 2.8.4.
Communication Sequence
SETUP stage
SETUP stage
SETUP stage
Handshake
Handshake
Handshake
DATA0
SETUP
DATA0
SETUP
DATA0
SETUP
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DATA stage
DATA stage
Handshake
Handshake
DATA1/0
DATA1/0
OUT
IN
Status stage
Status stage
Status stage
Handshake
Handshake
Handshake
DATA1
DATA1
DATA1
OUT
IN
IN
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: Device issues
2. USB function