Datasheet

Electrical characteristics STM32F765xx STM32F767xx STM32F768Ax STM32F769xx
220/255 DocID029041 Rev 6
Table 124. Dynamic characteristics: SD / MMC characteristics, V
DD
=2.7V to 3.6V
(1)
Symbol Parameter Conditions Min Typ Max Unit
f
PP
Clock frequency in data transfer mode - 0 - 50 MHz
- SDMMC_CK/fPCLK2 frequency ratio - - - 8/3 -
t
W(CKL)
Clock low time fpp =50 MHz 9.5 10.5 -
ns
t
W(CKH)
Clock high time fpp =50 MHz 8.5 9.5 -
CMD, D inputs (referenced to CK) in MMC and SD HS mode
t
ISU
Input setup time HS fpp =50 MHz 3.5 - -
ns
t
IH
Input hold time HS fpp =50 MHz 2.5 - -
CMD, D outputs (referenced to CK) in MMC and SD HS mode
t
OV
Output valid time HS fpp =50 MHz - 11 12
ns
t
OH
Output hold time HS fpp =50 MHz 9 - -
CMD, D inputs (referenced to CK) in SD default mode
tISUD Input setup time SD fpp =25 MHz
3.5 - -
ns
tIHD Input hold time SD fpp =25 MHz
2.5 - -
CMD, D outputs (referenced to CK) in SD default mode
tOVD Output valid default time SD fpp =25 MHz
-0.51.5
ns
tOHD Output hold default time SD fpp =25 MHz
0--
1. Guaranteed by characterization results.
Table 125. Dynamic characteristics: eMMC characteristics, V
DD
=1.71V to 1.9V
(1)(2)
Symbol Parameter Conditions Min Typ Max Unit
f
PP
Clock frequency in data transfer mode - 0 - 50 MHz
- SDMMC_CK/fPCLK2 frequency ratio - - - 8/3 -
t
W(CKL)
Clock low time fpp =50 MHz 9.5 10.5 -
ns
t
W(CKH)
Clock high time fpp =50 MHz 8.5 9.5 -
CMD, D inputs (referenced to CK) in eMMC mode
t
ISU
Input setup time HS fpp =50 MHz 3 - -
ns
t
IH
Input hold time HS fpp =50 MHz 4 - -
CMD, D outputs (referenced to CK) in eMMC mode
t
OV
Output valid time HS fpp =50 MHz - 11 15.5
ns
t
OH
Output hold time HS fpp =50 MHz 9.5 - -
1. Guaranteed by characterization results.
2. Cload = 20 pF.
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