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
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4.4.6 Bluetooth external coexistence interface
Table 6. Bluetooth external coexistence interface
Pin Name Supply No Pad Power
State
Reset
State
HW
State
PD State PD Prog Internal PU/
PD
PU PD
BT_GRANTn VIO tristate input input tristate yes nominal PU yes yes
Coexistence Mode: BT_GRANTn input (active low)
SDIO Mode: SD_DAT[0]. See Section 4.4.7 "SDIO host interface".
GPIO Mode: GPIO[10]. See Section 4.4.3 "General Purpose I/O (GPIO)/LED interface".
BT_STATE VIO tristate output output tristate yes nominal PU yes yes
Coexistence Mode: BT_STATE output
SDIO Mode: SD_DAT[2]. See Section 4.4.7 "SDIO host interface".
GPIO Mode: GPIO[9]. See Section 4.4.3 "General Purpose I/O (GPIO)/LED interface".
BT_REQ VIO tristate output output tristate yes nominal PU yes yes
Coexistence Mode: BT_REQ output
SDIO Mode: SD_DAT[3]. See Section 4.4.7 "SDIO host interface".
GPIO Mode: GPIO[11]. See Section 4.4.3 "General Purpose I/O (GPIO)/LED interface".
BT_FREQ VIO tristate output output tristate yes nominal PU yes yes
Coexistence Mode: BT_FREQ output
SDIO Mode: SD_DAT[1]. See Section 4.4.7 "SDIO host interface".
GPIO Mode: GPIO[8]. See Section 4.4.3 "General Purpose I/O (GPIO)/LED interface".
NOTE: Bluetooth external coexistence pin functions are unavailable when the SDIO interface signals are used.