Information

SDHC_MMCBOOT field descriptions (continued)
Field Description
0011b SDCLK x 2^11
0100b SDCLK x 2^12
0101b SDCLK x 2^13
0110b SDCLK x 2^14
0111b SDCLK x 2^15
...
1110b SDCLK x 2^22
1111b Reserved
46.4.24 Host Controller Version (SDHC_HOSTVER)
This register contains the vendor host controller version information. All bits are read
only and will read the same as the power-reset value.
Address: SDHC_HOSTVER is 400B_1000h base + FCh offset = 400B_10FCh
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
0 VVN SVN
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 1
SDHC_HOSTVER field descriptions
Field Description
31–16
Reserved
This read-only field is reserved and always has the value zero.
15–8
VVN
Vendor Version Number
These status bits are reserved for the vendor version number. The host driver shall not use this status.
00h Freescale SDHC version 1.0
10h Freescale SDHC version 2.0
11h Freescale SDHC version 2.1
12h Freescale SDHC version 2.2
All others Reserved
7–0
SVN
Specification Version Number
These status bits indicate the host controller specification version.
01h SD host specification version 2.0, supports test event register and ADMA.
All others Reserved
Chapter 46 Secured digital host controller (SDHC)
K10 Sub-Family Reference Manual, Rev. 6, Nov 2011
Freescale Semiconductor, Inc. 1393