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MT7697DN 数据表(PDF) 51 Page - List of Unclassifed Manufacturers |
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MT7697DN 数据表(HTML) 51 Page - List of Unclassifed Manufacturers |
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51 / 84 page ![]() MT7697D Internet-of-Things Wireless Connectivity © 2016 MediaTek Inc. Page 51 of 84 This document contains information that is proprietary to MediaTek Inc. (“MediaTek”) and/or its licensor(s). Any unauthorized use, reproduction or disclosure of this document in whole or in part is strictly prohibited. 2.6.4 N9 Bus Fabric N9 ILM ROM (832KB) ILM RAM (320KB) DLM RAM (200KB) N9 AHB bus Generic DMA APB bridge APB1 bus PSE GPT CIRQ PDA GDMA CONFIG UART_D SN UART_P TA RDD BT_SBC EFUSE MAC ACCLR UART /BTIF CM4 Interface to CM4 bus/peripheral N9 peripheral APB bridge SYSRAM_N9 (52KB) APB0 bus TOP CONFIG N9 CONFIG PTA Command Batch (low power data retention) WiFi HIF Asyncrhrous AHB-2- AHB bridge (CM4 bus to N9 bus) SYSTEM BUS Asyncrhrous AHB-2- AHB bridge (N9 bus to CM4 bus) CM4 AHB bus WIFI MAC WDT HIF CONFIG BTSYS WIFI Baseband WIFI RF Figure 2-21. N9 Bus Fabric Functional description: Command batch: Used to save/restore the critical CR and memory data when entering and leaving the low power mode. Wi-Fi HIF: The host control and data interface from N9 to Wi-Fi subsystem. Wi-Fi PSE: The Packet switch engine used to transfer packet from N9 to Wi-Fi MAC/Radio or from CM4 to Wi-Fi MAC/Radio, and vice versa. PDA: Packet Decryption Agent, used to download firmware and decipher the firmware which is encrypted to avoid eavesdrop. PTA: Packet Traffic Arbitration, used to do the traffic arbitration of Wi-Fi and Bluetooth when the two radios are transmitting and receiving at the same time. RDD: The Wi-Fi debug function. BT_SBC: The hardware accelerating engine for Bluetooth audio codec. EFUSE: The Efuse macro used for the configuration of Wi-Fi/Bluetooth MAC and Radio. ACCLR: The hardware accelerating engine for Bluetooth Packet Loss Concealment. |
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