HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 803
HD6417641
Manufacturer Part Number
HD6417641
Description
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417641.pdf
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20.3.4
USBISR0 selects the vector numbers of the interrupt requests indicated in USB interrupt flag
register 0 (USBIFR0). If the USB issues an interrupt request to the INTC when the corresponding
bit in USBISR0 is cleared to 0, the interrupt will be USI0 (USB interrupt 0). If the USB issues an
interrupt request to the INTC when the corresponding bit in USBISR0 is set to 1, the interrupt will
be USI1 (USB interrupt 1). If interrupts occur simultaneously, USI0 has priority by default.
USBISR0 is initialized to H'00 by a power-on reset.
Bit
1
0
Bit
7
6
5
4
3
2
1
0
USB Interrupt Select Register 0 (USBISR0)
Bit Name
CFGV
SETC
Bit Name
BRST
EP1FULL
EP2TR
EP2EMPTY 0
SETUPTS
EP0oTS
EP0iTR
EP0iTS
Initial
Value
0
0
Initial
Value
0
0
0
0
0
0
0
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Configuration Value
Status bit for monitoring the configuration value. This is
a status bit and cannot be cleared.
SET_CONFIGURATION Request Detection
This bit is set to 1 when the SET_CONFIGURATION
request is received.
Description
Bus reset
EP1FIFO full
EP2 transfer request
EP2 FIFO empty
Setup command receive completion
EPOo receive completion
EPOi transfer request
EPOi transmit completion
Rev. 4.00 Sep. 14, 2005 Page 753 of 982
Section 20 USB Function Module
REJ09B0023-0400
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