Cypress FM4 Series - Card Detect Setting Register

CHAPTER 15: SD Card Interface
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 907
2.46 Card Detect Setting Register
This register sets the debounce period in card detection.
D31 D16
Rsvd
D15 D12
D11 D08
D07 D00
Rsvd
Card Detect Debounce Timer
Counter Value
Rsvd
Bit
Attribute
Description
31-12
Rsvd
Reserved
11-08
HwInit
Card Detect Debounce Timer Counter Value
These bits set the debounce period in card detection. The debounce period is measured
according to the division of SDCLK. Set the divide ratio of SD_CLK using these bits.
Setting
SD_SDCLK
0b1111
Reserved
0b1110
SDCLK×2^27
0b1101
SDCLK×2^26
...
0b0001
SDCLK×2^14
0b0000
SDCLK×2^25
07-00
Rsvd
Reserved