R01UH0823EJ0100 Rev.1.00
Page 115 of 1823
Jul 31, 2019
RX23W Group
5. I/O Registers
0008 AC20h
SDHI
Response Register 32
SDRSP32
32
32
3 or 4 PCLKB
cycles when
reading,
2 or 3 PCLKB
cycles when
writing
3 ICLK cycles
when reading,
2 ICLK cycles
when writing
0008 AC28h
SDHI
Response Register 54
SDRSP54
32
32
3 or 4 PCLKB
cycles when
reading,
2 or 3 PCLKB
cycles when
writing
3 ICLK cycles
when reading,
2 ICLK cycles
when writing
0008 AC30h
SDHI
Response Register 76
SDRSP76
32
32
3 or 4 PCLKB
cycles when
reading,
2 or 3 PCLKB
cycles when
writing
3 ICLK cycles
when reading,
2 ICLK cycles
when writing
0008 AC38h
SDHI
SD Status Register 1
SDSTS1
32
32
3 or 4 PCLKB
cycles when
reading,
2 or 3 PCLKB
cycles when
writing
3 ICLK cycles
when reading,
2 ICLK cycles
when writing
0008 AC3Ch
SDHI
SD Status Register 2
SDSTS2
32
32
3 or 4 PCLKB
cycles when
reading,
2 or 3 PCLKB
cycles when
writing
3 ICLK cycles
when reading,
2 ICLK cycles
when writing
0008 AC40h
SDHI
SD Interrupt Mask Register 1
SDIMSK1
32
32
3 or 4 PCLKB
cycles when
reading,
2 or 3 PCLKB
cycles when
writing
3 ICLK cycles
when reading,
2 ICLK cycles
when writing
0008 AC44h
SDHI
SD Interrupt Mask Register 2
SDIMSK2
32
32
3 or 4 PCLKB
cycles when
reading,
2 or 3 PCLKB
cycles when
writing
3 ICLK cycles
when reading,
2 ICLK cycles
when writing
0008 AC48h
SDHI
SDHI Clock Control Register
SDCLKCR
32
32
3 or 4 PCLKB
cycles when
reading,
2 or 3 PCLKB
cycles when
writing
3 ICLK cycles
when reading,
2 ICLK cycles
when writing
0008 AC4Ch
SDHI
Transfer Data Size Register
SDSIZE
32
32
3 or 4 PCLKB
cycles when
reading,
2 or 3 PCLKB
cycles when
writing
3 ICLK cycles
when reading,
2 ICLK cycles
when writing
0008 AC50h
SDHI
Card Access Option Register
SDOPT
32
32
3 or 4 PCLKB
cycles when
reading,
2 or 3 PCLKB
cycles when
writing
3 ICLK cycles
when reading,
2 ICLK cycles
when writing
0008 AC58h
SDHI
SD Error Status Register 1
SDERSTS1
32
32
3 or 4 PCLKB
cycles when
reading,
2 or 3 PCLKB
cycles when
writing
3 ICLK cycles
when reading,
2 ICLK cycles
when writing
0008 AC5Ch
SDHI
SD Error Status Register 2
SDERSTS2
32
32
3 or 4 PCLKB
cycles when
reading,
2 or 3 PCLKB
cycles when
writing
3 ICLK cycles
when reading,
2 ICLK cycles
when writing
0008 AC60h
SDHI
SD Buffer Register
SDBUFR
32
32
3 or 4 PCLKB
cycles when
reading,
2 or 3 PCLKB
cycles when
writing
3 ICLK cycles
when reading,
2 ICLK cycles
when writing
Table 5.1
List of I/O Registers (Address Order) (11/31)
Address
Module
Symbol
Register Name
Register
Symbol
Number
of Bits
Access
Size
Number of Access Cycles
Reference
Section
ICLK
PCLK
ICLK <PCLK