Intel E3815 FH8065301567411 Data Sheet
Product codes
FH8065301567411
Intel
®
Atom™ Processor E3800 Product Family
1852
Datasheet
16.8.27
Capabilities Register (CAPABILITIES)—Offset 40h
This register provides the HD with information specific to the HC implementation. The
HC may implement these values as fixed or loaded from flash memory during power on
initialization.
Access Method
Default: 00000000h
29:24
0b
RO
RSVD0:
Reserved
23
0b
RW
Sampling Clock (sampling_clock):
This bit is set by tuning procedure when Execute
Tuning is cleared.
22
0b
RW/AC
Execute Tuning (execute_tuning):
This bit is set to 1 to start tuning procedure and
automatically cleared when tuning procedure is completed. The result of tuning is
indicated to Sampling Clock Select. Tuning procedure is aborted by writing 0. Refer to
the spec for more detail about tuning procedure.
•
•
1 = Execute Tuning
•
0 = Not Tuned or Tuning Completed
21:20
0b
RW
Driver Strength (driver_strength):
Host Controller output driver in 1.8V signaling is
selected by this bit.
19
0b
RW
Voltage Regulator Control for I/O Cell (vl):
This bit controls voltage regulator for I/
O cell.
18:16
0b
RW
UHS Mode Select (uhs_mode):
This field is used to select one of UHS-I modes.
15:8
0h
RO
Rsvd (rsvd):
Reserved.
7
0b
RO
Command Not Issued By Auto CMD12 Error (cmd_not_iss_cmd12_err):
Reserved.
6:5
0h
RO
Rsvd1 (rsvd1):
Reserved
4
0b
RO
Auto CMD12 Index Error (cmd12_ind_err):
Reserved.
3
0b
RO
Auto CMD12 End Bit Error (cmd12_end_bit_err):
Reserved.
2
0b
RO
Auto CMD12 CRC Error (cmd12_crc_err):
Reserved.
1
0b
RO
Auto CMD12 Timeout Error (cmd12_timeout_err):
Reserved.
0
0b
RO
Auto CMD12 Not Executed (cmd12_not_exe):
Reserved.
Bit
Range
Default &
Access
Field Name (ID): Description
Type:
Memory Mapped I/O Register
(Size: 32 bits)
Offset:
BAR Type:
PCI Configuration Register (Size: 32 bits)
BAR Reference:
[B:0, D:18, F:0] + 10h