BCM43455 Datasheet, PDF (145/159 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/ Radio with Integrated Bluetooth 4.1 and FM Receiver

BCM43455 Preliminary Data Sheet
Card Output Timing
Figure 38: SDIO Bus Output Timing (SDR Modes up to 100 MHz)
t_CLK
SDIO_CLK
t_ODLY
t_OH
CMD input
DAT[3:0] input
SDIO Timing
Symbol
t_ODLY
t_ODLY
t_OH
Table 57: SDIO Bus Output Timing Parameters (SDR Modes up to 100 MHz)
Minimum
–
–
1.5
Maximum Unit
7.5
ns
14.0
ns
–
ns
Comments
t_CLK ≥ 10 ns C_L= 30 pF using driver type B for SDR50
t_CLK ≥ 20 ns C_L= 40 pF using for SDR12, SDR25
Hold time at the t_ODLY (min) C_L= 15 pF
Figure 39: SDIO Bus Output Timing (SDR Modes 100 MHz to 208 MHz)
t_CLK
SDIO_CLK
t_OP
t_ODW
CMD input
DAT[3:0] input
Broadcom^®
November 5, 2015 • 43455-DS109-R
BROADCOM CONFIDENTIAL
Page 144