AcSiP EK-AI7687HXB User manual

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EK-AI7687HXB/EK-AI7697HXB/EK-AI7697HDXB HDK

User Guide

MT76X7 IoT SiP Module

902-10401

Dec 27, 2016

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Date

Revised Contents

Revised by

Version

Aug 05th,2016

Dec 27th,2016

Initial Version

Add Dimension Drawing

Kevin

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INDEX

1. Description..................................................................................................................................................3

1.1. Platform Features ..................................................................................................................................3

2. Hardware Spec............................................................................................................................................4

2.1 Specification...........................................................................................................................................4

3. Hardware Feature Configuration ...............................................................................................................5

3.1. Power supply .........................................................................................................................................5

3.2. LED..........................................................................................................................................................5

3.3. XBee Breakout Pin Definition................................................................................................................6

3.4. PINMUX Table ........................................................................................................................................6

4. Configuring the HDK...................................................................................................................................7

4.1. Configuring the HDK to Normal mode ..................................................................................................7

4.2. Configuring the HDK to Recovery mode ...............................................................................................9

5. Schemtics ..................................................................................................................................................10

5.1. XBee Interface......................................................................................................................................10

5.2. AI76X7H BreakOut...............................................................................................................................11

5.3. EE Part ..................................................................................................................................................12

6. Dimension.................................................................................................................................................14

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1. Description

EK-AI7687HXB/EK-AI7697HXB/EK-AI7697HDXB is a low-cost and easy to use Internet of Things (IoT)

development platform for RTOS to design, prototype, evaluate and implement IoT projects. It is based on

AI76X7H series stamp Module, with ARM Cortex-M4 with floating point MCU in package. The HDK enables

rich connectivity features, communication with cloud services and real-time control.

1.1. Platform Features

General

ARM Cortex M4 MCU with FPU with up to

192MHz clock speed

Embedded 352KB SRAM and 64KB boot ROM

Internal 2MB Flash

Supports external serial flash with Quad

Peripheral Interface (QPI) mode

Supports eXecute In Place (XIP) on flash

32KB cache in XIP mode

Two UART interfaces with hardware flow control

and one UART for debug, all multiplexed with

GPIO

One SPI slave interface multiplexed with GPIO

Two I2C master interface multiplexed with GPIO

One I2S interface multiplexed with GPIO

Four channel 12-bit ADC multiplexed with GPIO

Dedicated high-performance 32-bit RISC CPU N9

up to 160MHz clock speed

IEEE 802.11 b/g/n compliant

Supports 20MHz,40MHz bandwidth in 2.4GHz

Dual-band 1T1R mode with data rate up to

150Mbps

Supports STBC, LDPC

Greenfield, mixed mode, legacy modes support

IEEE 802.11 d/e/h/i/k/r/w support

Security support for WFA WPA/WPA2 personal,

WPS2.0, WAPI

Supports 802.11w protected managed frames

QoS support of WFA WMM, WMM PS

Integrated LNA, PA, and T/R switch

Optional external LNA and PA support.

RX diversity support with additional RX input

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2. Hardware Spec

2.1 Specification

Model Name

EK-AI7687HXB / EK-AI7697HXB / EK-AI7697HDXB

Chipset

MT76X7 series

Core

ARM Cortex-M4 MCU

FPU Clock Speed

192MHz

SRAM

352KB

Flash

Internal 2MB / external 4MB / external 4MB

Power

5V / 3.3V / Li-ion Battery

Humidity

Operating : Operating : -20℃~ +70℃(Non-Condensing)

Storage : -40℃~ +85℃(Non-Condensing)

Dimension

57mm X 24.5mm X 15mm (Typ.)

Package

PCBA

Top View：

Bottom View：

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3. Hardware Feature Configuration

3.1. Power supply

EK-AI7687HXB / EK-AI7697HXB / EK-AI7697HDXB support three ways for power supply.

1. Micro USB 5V

2. BAT_CONN 3.7V Li-Ion Battery

3. 3.3V power supply

3.2. LED

There has two LEDs on PCBA.

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3.3. XBee Breakout Pin Definition

3.4. PINMUX Table

PIN No. PIN Name 0 1 2 3 4 5 6 7 8 9

1 GPIO29 WIC[3] I2S_MCLK (O) I2S_MCLK (O) SPI_MOSI_S_CM4 (I) SPI_MOSI_M_CM4 (O) GPIO[29] (I/O) PWM[30] (O)

2 GPIO30 I2S_FS (I) I2S_FS_M (O) SPI_MISO_S_CM4 (O) SPI_MISO_M_CM4 (I) GPIO[30] (I/O) PWM[31] (O)

3 GPIO28 I2C1_DATA (I/O) SWD_CLK (I) I2C1_DATA (I/O) GPIO[28] (I/O) PWM[29] (O)

4 GPIO27 PULSE_CNT (I) WIC[2] I2C1_CLK (I/O) SWD_DIO (I/O) I2C1_CLK (I/O) GPIO[27] (I/O) PWM[28] (O)

6 GPIO60 ADC_IN3 PULSE_CNT (I) WIC[11] SWD_CLK (I) GPIO[60] (I/O) PWM[39] (O)

7 GPIO59 ADC_IN2 WIC[10] SWD_DIO (I/O) GPIO[59] (I/O) PWM[38] (O)

8 GPIO58 ADC_IN1 WIC[9] GPIO[58] (I/O) PWM[37] (O)

9 GPIO57 ADC_IN0 WIC[8] GPIO[57] (I/O) PWM[36] (O)

10 GPIO39 PULSE_CNT (I) EINT[22] SWD_CLK (I) UART2_CTS_CM4 (I) GPIO[39] (I/O) PWM[22] (O)

12 GPIO38 EINT[21] SWD_DIO (I/O) UART2_RTS_CM4 (O) GPIO[38] (I/O) PWM[21] (O)

13 GPIO37 EINT[20] UART2_TX_CM4 (O) GPIO[37] (I/O) PWM[20] (O)

15 GPIO36 WIC[7] UART2_RX_CM4 (I) GPIO[36] (I/O) PWM[19] (O)

16 GPIO35 EINT[19] I2S_TX (O) UART_DBG_CM4 (O) GPIO[35] (I/O) PWM[18] (O)

17 GPIO34 FRAME_SYNC (I) WIC[6] SWD_CLK (I) IR_RX (I) GPIO[34] (I/O) PWM[35] (O)

18 GPIO33 PULSE_CNT (I) WIC[5] SWD_DIO (I/O) IR_TX (O) GPIO[33] (I/O) PWM[34] (O)

23 GPIO0 EINT[0] UART1_RTS_CM4 (O) GPIO[0] (I/O) PWM[0] (O)

24 GPIO1 EINT[1] UART1_CTS_CM4 (I) GPIO[1] (I/O) PWM[1] (O)

25 GPIO2 WIC[0] SWD_CLK (I) UART1_RX_CM4 (I) GPIO[2] (I/O) PWM[23] (O)

26 GPIO3 PULSE_CNT (I) EINT[2] SWD_DIO (I/O) UART1_TX_CM4 (O) GPIO[3] (I/O) PWM[24] (O)

27 GPIO6 EINT[5] SPI_CS_1_M_CM4 (O) GPIO[6] (I/O) PWM[4] (O)

28 GPIO7 EINT[6] SPI_MISO_S_CM4 (O) SPI_CS_0_M_CM4 (O) SPI_CS_EXT (O) GPIO[7] (I/O) PWM[5] (O)

29 GPIO5 EINT[4] SPI_DATA1_EXT (I/O) GPIO[5] (I/O) PWM[3] (O)

30 GPIO24 I2C2_CLK (I/O) SPI_MOSI_S_CM4 (I) SPI_MOSI_M_CM4 (O) SPI_DATA2_EXT (I/O) GPIO[24] (I/O) PWM[25] (O)

31 GPIO25 FRAME_SYNC (I) WIC[1] I2C2_DATA (I/O) SPI_SCK_S_CM4 (I) SPI_MISO_M_CM4 (I) SPI_DATA3_EXT (I/O) GPIO[25] (I/O) PWM[26] (O)

32 GPIO26 I2S_TX (O) SPI_CS_0_S_CM4 (I) SPI_SCK_M_CM4 (O) SPI_CLK_EXT (O) GPIO[26] (I/O) PWM[27] (O)

33 GPIO4 EINT[3] SPI_DATA0_EXT (I/O) GPIO[4] (I/O) PWM[2] (O)

37 GPIO32 WIC[4] I2S_BCLK (I) I2S_BCLK_M (O) SPI_CS_0_S_CM4 (I) SPI_CS_0_M_CM4 (O) GPIO[32] (I/O) PWM[33] (O)

38 GPIO31 I2S_RX (I) I2S_TX (O) SPI_SCK_S_CM4 (I) SPI_SCK_M_CM4 (O) GPIO[31] (I/O) PWM[32] (O)

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4. Configuring the HDK

HDK includes a main board and a relative AI76X7H series stamp module. The stamp module is

mounted on the PCBA bottom side. The simple steps to start-up EVK is shown as below:

1. CON6 is connector GND

2. CON3 is connector 3.3V (module power supply)

3. CON7 is connector RST button to module NRST pin

4. CON4 is connector UART RX

5. CON1 is connector UART TX

4.1. Configuring the HDK to Normal mode

1. Make sure that CON31 has no jumper on it.

2. Connect computer and EVK via micro USB cable.

3. On board FTDI chip transfers module TTL signal to PC USB port.

(GPIO2/GPIO3；UART baud rate：57600)

4. Micro USB is debug UART and it can apply AT Command in RTOS environment.

FOR Example：

Station Mode

Connect to “AcSiP_Public” AP

Change the Operation Mode to Station Mode:

wifi config set opmode 1

Set SSID:

wifi config set ssid 0 AcSiP_Public

Configure auth information:

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wifi config set psk 0 7 8 "acsip@public"

The parameter definition of wifi config set psk:

wifi config set psk [port] [auth mode] [encrypt type] [psk key]

Apply changes:

wifi config set reload

Wait for few seconds, the message like below would show up if connecting to the AP successfully:

[T: 5066238 M: common C: INFO F: ip_change_call_back L: 441]: ************************

[T: 5066239 M: common C: INFO F: ip_change_call_back L: 442]: DHCP got IP:192.168.20.67

[T: 5066239 M: common C: INFO F: ip_change_call_back L: 443]: ************************

Get RSSI:

wifi connect get rssi

AP Mode

Change the Operation Mode to AP Mode:

wifi config set opmode 2

Change Wireless Mode:

wifi config set wirelessmode 1 [wireless mode]

Change Country:

wifi config set country [band(0 for 2.4G, 1 for 5G)] [region]

Change Channel:

wifi config set ch 1 [channel number]

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wifi config set reload

Change Bandwidth:

wifi config set bw 1 [bandwidth(0 for 20MHz, 1 for 40MHz)]

Get the Station List for analyzing the status of clients which connected to this AP:

wifi connect get stalist

The response sample of Station List:

stalist size=1

last_tx_rate: MCS=7, LDPC=0, MODE=2

last_rx_rate: MCS=8, LDPC=0, MODE=1

rssi_sample.LastRssi0)=-25

rssi_sample.AvgRssi0X8=-200

addr=cc:3d:82:2c:c1:9e

power_save_mode=1

bandwidth=0

keep_alive=0

wifi_connection_get_sta_list, status:0

4.2. Configuring the HDK to Recovery mode

1. Setting the CON31 jumper and push RST button for Recovery mode.

(In Recovery mode，Debug UART message showed “ccc”)

2. Connect computer and EVK via micro USB cable.

3. On board FTDI chip transfers module TTL signal to PC USB port.

(GPIO2/GPIO3；UART baud rate：57600)

4. In recovery mode ,there are two function can be used

1. RF performance test (MTK QA tool)

2. Update module image (MT76x7_Flash_Tool)

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