h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 660

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 18 Universal Serial Bus Interface (USB)
Rev. 3.00 Jan 25, 2006 page 608 of 872
REJ09B0286-0300
Note: * Set the EP0OTC bit of USECSR0 to 1, initialize FVSR0S, FVSR0I, and FVSR0O, clear the EP0ITS and EP0OTS bits of TSFR0 to 0,
Figure 18.4 Operation on Receiving a SETUP Token (When Decode by the Slave CPU Is
Send an OUT data
handshake packet
Receive an ACK
Send a SETUP
packet (8 bytes)
token packet
clear the EP0ITF and EP0OTF bits of TFFR0 to 0, and clear the EP0STL bit of EPSTLR0 to 0.
USB Host
Not Required and When SETICNT = 1)
Command data decode
Receive an OUT data
USB Function Core
Check if decode by
Receive a SETUP
the slave CPU is
packet (8 bytes)
required or not
the slave CPU
token packet
Send ACK to
the host CPU
Send ACK to
Write data to EP0S FIFO
Do not modify FVSR0S
Automatically set
Core Interface
each flag *
Slave CPU