r8a66597 Renesas Electronics Corporation., r8a66597 Datasheet - Page 110

• Manufacturer Part Number: r8a66597
• Description: Assp Usb2.0 2 Port Host/1 Port Peripheral Controller
• Manufacturer: Renesas Electronics Corporation.

R8A66597FP/DFP/BG
3.1.7
R e v 1 . 0 1
DCFM
0
0
1
1
1
1
DCFM Bit Setup Values and USB Transmission Speed Control
Table 3.5 shows the DCFM bit setup values and the corresponding USB transmission speeds.
O c t 1 7 , 2 0 0 8
Settings
PORT0
HSE
0
1
0
1
0
1
PORT1
HSE
0
0
0
0
1
1
p a g e 1 1 0 o f 1 8 3
Table 3.5 Controller Function Selection Table
Peripheral
Controller
Function
Host
Hi or Full PORT1
Hi or Full
Hi or Full Hi or Full PORT0 or PORT1 operates as Hi-Speed Host
PORT0
Speed
Full or
Full or
Low
Low
Full
Hi or Full PORT0: The port operates at Full-Speed when D+ is
PORT1
PORT1
Speed
invalid
invalid
Full or
Full or
Low
Low
Function and Transmission speed
PORT0 operates at Full-Speed
The PORT0 operates at Hi-Speed when Reset
Handshake Protocol (RHSP) is successful, at
Full-Speed when RSHP is not successful.
PORT0 and PORT1 operate at Full-Speed when D+ is
pulled up, Low-Speed when D- is pulled up.
When D- is pulled up, make sure to set “HSE=0” in the
corresponding port.
PORT0: The port operates as a Hi-Speed Host
PORT1: The port operates at Full-Speed when D+ is
PORT1: The port operates Hi-Speed Host Controller
Controller when RHSP is successful. When RHSP is
not successful, either port operates at Full-Speed.
when RHSP is successful. When RHSP is not
successful, the port operates at Full-Speed.
Controller when RHSP is successful;
Full-Speed when RHSP is not successful.
pulled up, Low-Speed when D- is pulled up.
When D- is pulled up, make sure to set
“HSE=0” in the corresponding port.
pulled up, Low-Speed when D- is pulled up.
When D- is pulled up, make sure to set
“HSE=0” in the corresponding port.
Remarks