Renesas SH7781 User Manual
Page 1220
24. Multimedia Card Interface (MMCIF)
Rev.1.00 Jan. 10, 2008 Page 1190 of 1658
REJ09B0261-0100
(2)
INTSTR1
Bit:
Initial value:
R/W:
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
R
CRC
ERI
DTERI CTERI
R
R
R
R
R/W
R/W
R/W
⎯
⎯
⎯
⎯
⎯
Bit Bit
Name
Initial
Value R/W Description
Interrupt
output
7 to 3
—
All 0
R
Reserved
These bits are always read as 0. The write
value should always be 0.
—
2
CRCERI
0
R/W
CRC Error Interrupt Flag
0: No interrupt
[Clearing condition]
Write 0 after reading CRCERI = 1.
(Writing 1 is invalid)
1: Interrupt requested
[Setting condition]
When a CRC error for command response
or receive data or a CRC status error for
transmit data response is detected while
CRCERIE = 1.
For the command response, CRC is
checked when the RTY4 in RSPTYR is
enabled.
ERR
1 DTERI 0 R/W
Data
Timeout Error Interrupt Flag
0: No interrupt
[Clearing condition]
Write 0 after reading DTERI = 1.
(Writing 1 is invalid)
1: Interrupt requested
[Setting condition]
When a data timeout error specified in
DTOUTR occurs while DTERIE = 1.
ERR