r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 978

• Manufacturer Part Number: r4f2456
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 16 USB Function Module (USB)
16.4
This module has five interrupt signals. Table 16.6 shows the interrupt sources and their
corresponding interrupt request signals. The USBINTN interrupt signals are activated at low level.
The USBINTN interrupt requests can only be detected at low level (specified as level sensitive).
Table 16.6 Interrupt Sources
Rev. 1.00 Sep. 19, 2008 Page 948 of 1342
REJ09B0467-0100
Register
IFR0
IFR1
Interrupt Sources
Bit
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Transfer
Mode
Status
Control
transfer
(EP0)
Status



Interrupt
Source
VBUSF
VBUSMN
SETI
SETC
SURSF
SURSS
CFDN
BRST
EP0i_TS*
EP0i_TR*
EP0o_TS*
SETUP_TS*
SOF
Reserved
Reserved
Reserved
Description
USB bus connection/
disconnection
detection
VBUS connection
status
Set_Interface
command detection
Set_Configuration
command detection
Suspend/resume
detection
Suspend/resume
status
Endpoint information
load end
Bus reset
EP0i transmission
complete
EP0i transfer request USBINTN2 or USBINTN3 ×
EP0o receive
complete
Setup command
receive complete
SOF packet detection USBINTN2 or USBINTN3 ×



Interrupt
Request Signal
USBINTN2 or USBINTN3 ×

USBINTN2 or USBINTN3 ×
USBINTN2 or USBINTN3 ×
USBINTN2, USBINTN3
or RESUME

USBINTN2 or USBINTN3 ×
USBINTN2 or USBINTN3 ×
USBINTN2 or USBINTN3 ×
USBINTN2 or USBINTN3 ×
USBINTN2 or USBINTN3 ×



DMAC
Activation
×
×
×


