R01UH0823EJ0100 Rev.1.00
Page 1439 of 1823
Jul 31, 2019
RX23W Group
40. SD Host Interface (SDHIa)
40.2.14 SD Error Status Register 2 (SDERSTS2)
Note 1. Command other than CMD12 or CMD52 which are automatically issued to stop data transfer.
Note 2. CMD12 or CMD52 which are automatically issued to stop transfer.
SDERSTS2
Address(es): SDHI.SDERSTS2 0008 AC5Ch
b31
b30
b29
b28
b27
b26
b25
b24
—
—
—
—
—
—
—
—
Value after reset:
0
0
0
0
0
0
0
0
b23
b22
b21
b20
b19
b18
b17
b16
—
—
—
—
—
—
—
—
Value after reset:
0
0
0
0
0
0
0
0
b15
b14
b13
b12
b11
b10
b9
b8
—
—
—
—
—
—
—
—
Value after reset:
0
0
0
0
0
0
0
0
b7
b6
b5
b4
b3
b2
b1
b0
—
CRCBSYTO
CRCTO
RDTO
BSYTO1
BSYTO0
RSPTO1
RSPTO0
Value after reset:
0
0
0
0
0
0
0
0
Bit
Symbol
Bit Name
Description
R/W
b0
Response Timeout Flag 0
0: After a command
was issued, a response was received in less than
640 cycles of the SDHI clock.
1: After a command
was issued, a response was not received even after
640 cycles or more of the SDHI clock elapsed.
R
b1
Response Timeout Flag 1
0: After a command
was issued, a response was received in less than
640 cycles of the SDHI clock.
1: After a command
was issued, a response was not received even after
640 cycles or more of the SDHI clock elapsed (by setting the
SDCMD.CMDIDX[5:0] bits, the error that occurs by issuing CMD12 is
indicated by the RSPTO0 flag).
R
b2
Busy Timeout Flag 0
0: After the R1b response was received, the SDHI was released from the
busy state during the specified period
1: After the R1b response was received, the SDHI was in the busy state
even after the specified period
elapsed.
R
b3
Busy Timeout Flag 1
0: After CMD12 was automatically issued, the SDHI was released from the
busy state during the specified period
1: After CMD12 was automatically issued, the SDHI was in the busy state
even after the specified period
elapsed (by setting the
SDCMD.CMDIDX[5:0] bits, the error that occurs by issuing CMD12 is
indicated by the BSYTO0 flag).
R
b4
Read Data Timeout Flag
After a read command is issued, this flag becomes 1 when read data is not
received even after the specified period
elapses.
After read data is received, this flag becomes 1 when the next block of
read data is not received even after the specified period
elapses.
After the SDHI exits the read wait state, this flag becomes 1 when the next
block of read data is not received even after the specified period
elapses.
R
b5
CRC Status Token
Timeout Flag
0: After data was written to the SD card, a CRC status token was received
during the specified period
1: After CRC data was written to the SD card, a CRC status token was not
received even after the specified period
elapsed.
R
b6
CRC Status Token Busy
Timeout Flag
0: After a CRC status token was received, the SDHI was released from the
busy state during the specified period
1: After a CRC status token was received, the SDHI is in the busy state
even after the specified period
elapsed.
R
b31 to b7
—
Reserved
These bits are 0 when read.
R