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Summary of Contents for AcSiP AI7931HD
- Page 1 EK-AI7931HD User Guide Version 912-13302 Doc No Date 2021/12/07 AcSiP Technology Corp www.acsip.com.tw...
- Page 2 PRODUCT USER GUIDE www.acsip.com.tw Document History Date Revised Contents Revised By Version 2021/12/07 Initial Version Ivan Product Name EK-AI7931HD Version Doc No 912-13302 Date 2021/12/07 Page 1 / 20...
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Page 3: Table Of Contents
Introduction ..................4 1.1. General Description ......................4 Get started with the HDK ..............5 2.1. Configuring the EK-AI7931HD ................... 5 2.2. Installing the FTDI debug board drivers on Microsoft Windows ........6 Hardware Features ................8 3.1. Features Description ......................8 Hardware Feature Configuration ............ - Page 4 Table 4 GPIO pin-out extension connector ................15 Table 5 GPIO pin multi-function definition ................16 Figure 1. Front view of EK-AI7931HD and FTDI debug board ............. 4 Figure 2. Jumpers and connectors on the EK-AI7931HD ............5 Figure 3. COM port associated with the EK-AI7931HD ............... 7 Figure 4.
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Page 5: Introduction
Optimized RF architecture and baseband algorithms provide superb performance and low power consumption. AI7931HD is designed to support standard based features in the areas of security, quality of service and international regulations, giving end users the greatest performance any time and in any circumstance. -
Page 6: Get Started With The Hdk
The description of pins (Figure 2) and their functionality is provided below: 1) CON6 is a USB 5V power for AI7931HD stamp module, or you can use external 5V power at J45. 2) Press SW1 to reset the system For SW2~SW4 more detail, please see “section 4.4”. -
Page 7: Installing The Ftdi Debug Board Drivers On Microsoft Windows
2) Connect the FTDI debug board to the computer using a micro-USB cable. 3) Connect a 5V power at EK-AI7931HD CON6 with a micro-USB cable. 4) Check your PC is X86 or X64 system and download and install FTDI Windows serial port driver... - Page 8 PRODUCT USER GUIDE www.acsip.com.tw Figure 3. COM port associated with the EK-AI7931HD Product Name EK-AI7931HD Version Doc No 912-13302 Date 2021/12/07 Page 7 / 20...
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Page 9: Hardware Features
PRODUCT USER GUIDE www.acsip.com.tw 3. Hardware Features This section provides the main supported features of the EK-AI7931HD The detailed description of the features is provided in the upcoming sections 3.1. Features Description 3.1.1. Technology and Package • AI7931HD Stamp Module: 30mm X 34mm X 2.7mm 3.1.2. - Page 10 • Integrated balun and PA. • Supports BT/Wi-Fi coexistence. 3.1.6. Miscellaneous • Embedded eFuse to store specific device information and RF calibration data. • Advanced TDD mode Wi-Fi/Bluetooth coexistence scheme. Product Name EK-AI7931HD Version Doc No 912-13302 Date 2021/12/07 Page...
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Page 11: Hardware Feature Configuration
Power up with a micro-USB connector. An on-board switching regulator provides voltage of 3.3V for the EK-AI7931HD based on AI7931HD, if the power is supplied from an on-board micro-USB connector CON6 (Figure 2) Note, that the jumpers J46, J33, J32, JP4 pin2 and pin3 and JP7 pin2 and pin3 are required to be set on More details on the jumpers can be found in Table 1. -
Page 12: Audio
Switch 1V8 VCCIO from internal component. PHYLDO or external LDO. 4.3. Audio The EK-AI7931HD has on-board audio connector associated with different functionalities of the board. The detail of audio related function can refer to Table 2. Figure 5. Audio related function Product Name... -
Page 13: Buttons
Audio header for left speaker Audio header for right speaker AMIC for left channel (the microphone hole is set at back side of EK-AI7931HD) AMIC for right channel (the microphone hole is set at back side of EK-AI7931HD) Audio volume up button... -
Page 14: Antenna
4.5. Antenna By default, the board ships with RF signals routed to the on-board printed antenna. And AI7931HD reserve a conductive test component, (RF-coaxial connector, MM8030-2610) enables to test the signals using a compatible cable. Please refer to Figure 6 to see more detail. -
Page 15: Extension Connectors
4.7. Extension connectors The EK-AI7931HD provides similar pin-out extension connectors for various sensor and device connectivity, as shown in Figure 8 and described in Table 4. The board has 13 GPIOs multiplexed with other interfaces. Depending on the use case, user can configure each I/O functionality. - Page 16 Reserve for UART1 GPIO_12 CON4 – 13 GPIO_48 Reserve for CM33 UART GPIO_13 Reserve for ANT switch GPIO_50 Reserve for CM33 UART GPIO_14 Reserve for audio mute Product Name EK-AI7931HD Version Doc No 912-13302 Date 2021/12/07 Page 15 / 20...
- Page 17 0010 MSDC0_DAT1 MSDC0 data1 0011 SPIM0_MOSI SPI0 (Master) Output SDIO_DAT1 0100 UART0_CTS UART0 Control 0101 DEBUG_3 Debug signal 0110 ANT_SEL3 Antenna Select 3 0111 CM33_GPIO_EINT1 CA33 EINT1 Product Name EK-AI7931HD Version Doc No 912-13302 Date 2021/12/07 Page 16 / 20...
- Page 18 USB device mode VBUS SPI1 (Master) Chip 0010 SPIM1_CS_N GPIO_B_4 0011 IR_IN 0100 I2SIN_MCK I2SRX MCLK 0101 DEBUG_10 Debug signal 0110 ANT_SEL7 Antenna Select 7 0111 CM33_GPIO_EINT8 CA33 EINT8 Product Name EK-AI7931HD Version Doc No 912-13302 Date 2021/12/07 Page 17 / 20...
- Page 19 0001 * CONN_BGF_MCU_AICE_TMSC 0010 DSP_URXD0 0011 I2C0_SDA I2C0 Data GPIO_B_11 0100 DMIC_DAT3 DMIC Data3 0101 DEBUG_15 Debug signal 0110 ANT_SEL11 Antenna Select 11 0111 CM33_GPIO_EINT15 CA33 EINT15 Product Name EK-AI7931HD Version Doc No 912-13302 Date 2021/12/07 Page 18 / 20...
- Page 20 0111 AUDIO_DEBUG_IN_0 0000 GPIO[50] GPIO 50 0001 * CM33_UART_TX 0010 CM33_TRACE_D0 0011 KEYPAD_KPCOL_0 KPCOL_0 0100 DSP_UTXD0 0101 PWM_5 PWM 5 0110 ANT_SEL11 Antenna Select 11 0111 AUDIO_DEBUG_IN_2 Product Name EK-AI7931HD Version Doc No 912-13302 Date 2021/12/07 Page 19 / 20...
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Page 21: Ftdi Debug Board
4.8. FTDI debug board By default, EK-AI7931HD should plug in a FTDI debug board at U69 (Figure 9). Within this FTDI debug board (Figure 9) to make UART signal transfer to USB signal. This debug board also provide a Micro-USB connector to link to with your PC with USB cable Figure 9.
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