Cypress FM4 Series - Capabilities Register

CHAPTER 15: SD Card Interface
870 FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E
2.25 Capabilities Register
This register provides the Host Driver with information specific to the Host Controller implementation.
D63 D56
D55 D48
Rsvd
Clock Multiplier
D47 D46
D45
D44
D43 D40
D39
D38
D37
D36
D35
D34
D33
D32
Re-Tuning Modes
Use Tuning for SDR50
Rsvd
Timer Count for Re-Tuning
Rsvd
Driver T
ype D Support
Driver Type C Support
Driver Type A Support
Rsvd
DDR50 Support
SDR104 Support
SDR50 Support
D31 D30
D29
D28
D27
D26
D25
D24
D23
D22
D21
D20
D19
D18
D17 D16
Slot Type
Asynchronous Interrupt
Support
64-bit System Bus Support
Rsvd
Voltage Support 1.8V
Voltage Support 3.0V
Voltage Support 3.3V
Suspend/Resume Support
SDMA Support
High Speed Support
Rsvd
ADMA2 Support
8-bit Support for Embedded
Device
Max Block Length
D15 D08
D07
D06
D05 D00
Base Clock Frequency For SD Clock
Timeout Clock Unit
Rsvd
Timeout Clock Frequency