M30245 Datasheet, PDF (83/266 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M30245 Group
Universal Serial Bus
USB Interrupt Status register
(b15)
b7
(b8)
b0 b7
0000000
b0
Symbol
USBIS
Address
0284₁₆
Bit Symbol
Bit Name
INTST0
INTST1
INTST2
INTST3
INTST4
INTST5
INTST6
INTST7
EP1 IN interrupt status flag
EP1 OUT interrupt status flag
EP2 IN interrupt status flag
EP2 OUT interrupt status flag
EP3 IN interrupt status flag
EP3 OUT interrupt status flag
EP4 IN interrupt status flag
EP4 OUT interrupt status flag
INTST8 Error interrupt status flag
Reserved
When reset
0000₁₆
Function
0 : No interrupt request
1 : Interrupt request issued
RW
OX
Must always be "0"
OX
Figure 1.48. USB Interrupt Status register (USBIS)
USB Function Interrupt Clear Register
The USB Function Interrupt Clear register, shown in Figure 1.49, is used by the CPU to clear the USB Function Interrupt
Status bits. The CPU writes a "1" to clear a corresponding USB Function Interrupt Status flag.
USB Interrupt Clear register
(b15)
b7
(b8)
b0 b7
0000000
b0
Symbol
USBIC
Address
0286₁₆
Bit Symbol
Bit Name
INTCL0 Clear EP1 IN interrupt status flag
INTCL1 Clear EP1 OUT interrupt status flag
INTCL2 Clear EP2 IN interrupt status flag
INTCL3 Clear EP2 OUT interrupt status flag
INTCL4
INTCL5
Clear EP3 IN interrupt status flag
Clear EP3 OUT interrupt status flag
INTCL6 Clear EP4 IN interrupt status flag
INTCL7 Clear EP4 OUT interrupt status flag
INTCL8 Clear error interrupt status flag
Reserved
Note: Always read "0"
When reset
0000₁₆
Function
RW
0 : No action
XO
1 : Clear interrupt status flag ^Note
Must always be "0"
XO
Figure 1.49. USB Interrupt Clear register (USBIC)
Rev.2.00 Oct 16, 2006 page 83 of 264
REJ03B0005-0200