BCM88335 Datasheet, PDF (124/140 Pages) Cypress Semiconductor – Single-Chip 5G Wi-Fi IEEE 802.11ac MAC/Baseband/ Radio with Integrated Bluetooth 4.1 for Automotive Applications

BCM88335 Data Sheet
SDIO/gSPI Timing
Table 45: SDIO Bus Timing^a Parameters (High-Speed Mode)
Parameter
Symbol Minimum Typical
SDIO CLK (all values are referred to minimum VIH and maximum VIL^b)
Frequency – Data Transfer Mode
fPP
0
–
Frequency – Identification Mode
fOD
0
–
Clock low time
tWL
7
–
Clock high time
tWH
7
–
Clock rise time
tTLH
–
–
Clock fall time
tTHL
–
–
Inputs: CMD, DAT (referenced to CLK)
Input setup time
tISU
6
–
Input hold time
tIH
2
–
Outputs: CMD, DAT (referenced to CLK)
Output delay time – Data Transfer Mode
tODLY
–
–
Output hold time
tOH
2.5
–
Total system capacitance (each line)
CL
–
–
a. Timing is based on CL  40pF load on CMD and Data.
b. Min. (Vih) = 0.7 × VDDIO and max (Vil) = 0.2 × VDDIO.
Maximum Unit
50
MHz
400
kHz
–
ns
–
ns
3
ns
3
ns
–
ns
–
ns
14
ns
–
ns
40
pF
Broadcom^®
September 23, 2015 • 88335-DS100-R
BROADCOM CONFIDENTIAL
Page 123