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BCM4356XKUBGT Datasheet, PDF (73/195 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac 2×2 MAC/ Baseband/Radio with Integrated Bluetooth 4.1, FM Receiver, and Wireless Charging | |||
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BCM4356 Advance Data Sheet
Figure 29: Signal Connections to SDIO Host (SD 4-Bit Mode)
SD Host
CLK
CMD
DAT[3:0]
BCM4356
Figure 30: Signal Connections to SDIO Host (SD 1-Bit Mode)
SD Host
CLK
CMD
DATA
IRQ
RW
BCM4356
SDIO v3.0
Note: Per Section 6 of the SDIO specification, pull-ups in the 10 k⦠to 100 k⦠range are required on
the four DATA lines and the CMD line. This requirement must be met during all operating states either
through the use of external pull-up resistors or through proper programming of the SDIO hostâs internal
pull-ups.
Broadcom®
May 8, 2015 ⢠4356-DS103-R
BROADCOM CONFIDENTIAL
Page 72
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