Datasheet

NXP Semiconductors
88W8977
2.4 GHz/5 GHz Dual-band 1x1 Wi-Fi 4
®
and Bluetooth
®
5 Combo SoC
88W8977 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2020. All rights reserved.
Product short data sheet Rev. 1 — 13 July 2020
50 / 81
8.7 SDIO host interface specifications
The SDIO host interface pins are powered by VIO_SD voltage supply.
The SDIO electrical specifications are identical for 4-bit SDIO and 1-bit SDIO transfer
modes.
8.7.1 VIO_SD DC characteristics
8.7.1.1 1.8V operation
Table 34. DC electricals—1.8V operation (VIO_SD)
Symbol Parameter Condition Min Typ Max Unit
V
IH
Input high voltage -- 0.7*VIO_SD -- VIO_SD+0.4 V
V
IL
Input low voltage -- -0.4 -- 0.3*VIO_SD V
V
HYS
Input hysteresis -- 100 -- -- mV
V
OH
Output high voltage -- VIO_SD-0.4 -- -- V
V
OL
Output low voltage -- -- -- 0.4 V
8.7.1.2 3.3V operation
Table 35. DC electricals—3.3V operation (VIO_SD)
Symbol Parameter Condition Min Typ Max Unit
V
IH
Input high voltage -- 0.7*VIO_SD -- VIO_SD+0.4 V
V
IL
Input low voltage -- -0.4 -- 0.3*VIO_SD V
V
HYS
Input hysteresis -- 100 -- -- mV
V
OH
Output high voltage -- VIO_SD-0.4 -- -- V
V
OL
Output low voltage -- -- -- 0.4 V