MYZR-LS1012A-MB200 hardware introduction

Interface Overview

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Front view

Rear view（MB200）

Dimensions（MB200）

Interface functions

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Two-digit DIP switch

silk screen：SW1
The pins and signals are defined as follows：

Mode control	1 bit	2 bit
Flash mode	x	0
Startup mode	x	1

Reset switch

Silkscreen: SW2
Function: press reset

Debug serial port

Silk screen: P1
Interface attributes: UART0, RS-232 level
The pins and signals are defined as follows:

232 serial port & 485 serial port

Silk screen：J1

Name	Quantity	Interface Properties
RS-232	3	USB extended serial port with data rate up to 235Kbps
RS-485	3	USB extended serial port with data rate up to 12Mbps

The pins and signals are defined as follows：

DI extension

Silk screen: J2
Interface attributes: extended DI, optocoupler isolation
The pins and signals are defined as follows:

DO extension

Silkscreen: J3
Interface attributes: extended DO, optocoupler isolation
The pins and signals are defined as follows:

GPIO&PMU control

Silkscreen: J4
Interface attributes: spare pins, some can be used as GPIO The pins and signals are defined as follows:

Pin	Signal	Description	Pin	Signal	Description
J4-1	INT_PMU	Core board PMU interrupt request output	J4-2	DUT_SAI2_RX_SYNC	Core board leads, can be used as GPIO
J4-3	HRESET_PMU	Pull out of core board, can be used as GPIO	J4-4	DUT_SAI2_RX_BCLK	Core board leads, can be used as GPIO
J4-5	PMU_GPIO1	Pull out of core board, can be used as GPIO	J4-6	GND	DGND
J4-7	PMU_GPIO0	Pull out of core board, can be used as GPIO	J4-8	GND	DGND
J4-9	PMU_GPIO2	Pull out of core board, can be used as GPIO	J4-10	GND	DGND
J4-11	PMU_SLEEP	Core board PMU standby mode control signal input	J4-12	GND	DGND

4G mini-PCIE & SIM Deck

Name	Screen Printing	Interface Properties
4G mini-PCIE	J5	miniPCIE standard interface, PCIe 2.0 standard
SIM card holder	P2	Connect 4G SIM Card

The pins and signals are defined as follows：

K20-JTAG

Silkscreen: J8
Interface attributes: K20-JTAG programming module interface The pins and signals are defined as follows：

Pin	Signal	Description	Pin	Signal	Description
J8-1	DUT_UART_SOUT	Debug serial output	J8-2	PROC_TMS	Test Mode Selection
J8-3	DUT_UART_SIN	Debug serial input	J8-4	PROC_TCK	Test Clock Output
J8-5	LSJTAG_TRST_B	LS1012A reset signal	J8-6	PROC_TDO	Test data output
J8-7	VCC_1V8	1.8V output	J8-8	PROC_TDI	Test Data Entry
J8-9	GND	Digitally	J8-10	SDA_RST_TGTMCU	K20 reset signal
J8-11	GND	Digitally	J8-12	GND_DETECT	Ground Detection

SD Deck

Silkscreen: J9
Interface attributes: standard SD card socket, support SD3.01, speed is UHS-1 standard The pins and signals are defined as follows：

USB Extension

Silkscreen: J10
Interface attributes: USB1 expansion USB3.0 + USB2.0, USB TYPE-A interface The pins and signals are defined as follows：

Main power input & switch

Name	Screen Printing	Interface Properties
Main Power Input	J11	Internal positive external negative jack, 5V voltage
Main Power Switch	J12	Power Switch

The pins and signals are defined as follows：

Ethernet

Name	Screen Printing	Interface Properties
Ethernet Port 1	U1	ETH1, SGMII, support 10/100 / 1000M
Ethernet port 0	U2	ETH0, SGMII, support 10/100 / 1000M

The pins and signals are defined as follows：

LORA Module

Silkscreen: U23
Interface attributes: LORA module, serial communication The pins and signals are defined as follows：

Pin	Signal	Attribute
U23-1、2、3、4、11、13、19、20、22	GND	DGND
U23-12、14、15、16、17、18、21	NC	Dangling
U23-10	5VIN	Module 5V input
U23-9	LoRa_AUX	Module working status indication
U23-8	LoRa_RX	Module TTL serial input
U23-7	LoRa_TX	Module TTL serial output
U23-6	LoRa_M1	Module Working Mode Control
U23-5	LoRa_M0	Module Working Mode Control

WIFI/BT Module

Silkscreen: U24
Interface attributes: WIFI / BT module, USB communication
The pins and signals are defined as follows：

Pin	Signal	Attribute
U24-1	GND	DGND
U24-2	ANT	Antenna interface
U24-3	VCC_3.3V	Module 3.3V Input
U24-4	WIFI_USBDM	USB data positive
U24-5	WIFI_USBDP	USB data negative
U24-6	GND	DGND

ZIGBEEModule

Silkscreen: U26
Interface attributes: ZIGBEE module, serial communication The pins and signals are defined as follows：

Pin	Signal	Attribute	Pin	Signal	Attribute
U26-1	GND	DGND	U26-11	ZigBee_TX	Module TTL serial input
U26-2	VCC_3.3V	Module 3.3V Input	U26-12	RUN_LED	Indicate module normal operating status
U26-6	ZigBee_Baud_RST	Restore the serial baud rate of 115200	U26-13	NWK_LED	Indicate module network access status
U26-7	ZigBee_AT_HEX	Switch instruction mode	U26-24	ZigBee_nRST	Module Reset
U26-10	ZigBee_RX	Module TTL serial output