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Section 23 CD-ROM Decoder
R01UH0134EJ0400 Rev. 4.00 Page 1239 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
23.3.50 Interrupt Source Mask Control Register (INHINT)
The interrupt source mask control register (INHINT) controls masking of various interrupt
requests in the CD-ROM decoder.
76543210
00000000
R/W R/W R/W R/W R/W R/W R/W R/W
Bit:
Initial value:
R/W:
INH
ISEC
INH
ITARG
INH
ISY
INH
IERR
INH
IBUF
INH
IREADY
PREINH
REQDM
PREINH
IREADY
Bit Bit Name
Initial
Value R/W Description
7 INHISEC 0 R/W ISEC Interrupt Mask
When set to 1, inhibits ISEC interrupt requests
6 INHITARG 0 R/W ITARG Interrupt Mask
When set to 1, inhibits ITARG interrupt requests
5 INHISY 0 R/W ISY Interrupt Mask
When set to 1, inhibits ISY interrupt requests
4 INHIERR 0 R/W IERR Interrupt Mask
When set to 1, inhibits IERR interrupt requests
3 INHIBUF 0 R/W IBUF Interrupt Mask
When set to 1, inhibits IBUF interrupt requests
2 INHIREADY 0 R/W IREADY Interrupt Mask
When set to 1, inhibits IREADY interrupt requests
1 PREINH
REQDM
0 R/W Inhibits setting of the DMA-transfer-request interrupt
source flag for the output data stream.
When this bit is set to 1, the DMA-transfer-request
interrupt source is not retained.
0 PREINH
IREADY
0 R/W Inhibits setting of the IREADY interrupt flag.
When this bit is set to 1, the IREADY interrupt source
not retained.