R01UH0823EJ0100 Rev.1.00
Page 1445 of 1823
Jul 31, 2019
RX23W Group
40. SD Host Interface (SDHIa)
40.2.20 SDHI Software Reset Register (SDRST)
lists the bits and flags initialized by the SDHI software reset.
SDRST
Address(es): SDHI.SDRST 0008 ADC0h
b31
b30
b29
b28
b27
b26
b25
b24
b23
b22
b21
b20
b19
b18
b17
b16
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Value after reset:
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
SDRST
Value after reset:
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
Bit
Symbol
Bit Name
Description
R/W
b0
SDHI Software Reset Control
0: SDHI software reset
1: SDHI software reset released
R/W
b2, b1
—
Reserved
These bits are 1 when read. Set them to 1 when writing.
R
b31 to b3
—
Reserved
These bits are 0 when read and cannot be modified.
R
Table 40.5
Bits and Flags Initialized by the SDHI Software Reset
Register
Bit/Flag
CMDE, CRCE, ENDE, DTO, ILW, ILR, RSPTO, SDD0MON, BRE, BWE, SDCLKCREN, ILA
CTOP[3:0], TOP[3:0], WIDTH
Bits b8 and b13 in the SDOPT register are also initialized by the SDHI software reset.
CMDE0, CMDE1, RSPLENE0, RSPLENE1, RDLENE, CRCLENE, RSPCRCE0, RSPCRCE1, RDCRCE, CRCTKE,
CRCTK[2:0]