“MYZR-SAMA5-MB200 硬件介绍”的版本间的差异

2017年6月26日 (一) 15:03的版本

1 = MY-SAMA5-EK200视图(MY-SAMA5-EK200 view) =
2 正面视图(top view)
3 背面视图(bottom view)
4 = 接口描述(description of interfaces) =
5 按键(key)
6 USB下载口(USB download port)
7 USB接口(USB interface)
- 7.1 USB-B & USB3
- 7.2 USB1 & USB2
- 7.3 USB WIFI模块(USB WIFI module)
8 LCD、背光及触摸屏(LCD、backlight and touch screen)
- 8.1 24位LCD显示及触摸屏接口(24bit LCD display and touch screen interface)
- 8.2 18位LCD触摸屏接口(18bit LCD touch screen interface)
- 8.3 背光控制(backlight control)
9 LED接口(LED interface)
10 串口(serial port)
- 10.1 调试串口(debug serial port)
- 10.2 USART&UART
- 10.3 RS232
- 10.4 RS485
11 EBI
12 千兆以太网(Gbps ethernet)
13 百兆以太网(Mbps ethernet)
14 SD接口(SD port)
15 CAN0接口(CAN0 interface)
16 CAN1接口(CAN1 interface)
17 RTC
18 音频（WM8904）(audio（WM8904）)
19 PCI-E
20 GPS
21 JTAG

= MY-SAMA5-EK200视图(MY-SAMA5-EK200 view) =

正面视图(top view)

背面视图(bottom view)

= 接口描述(description of interfaces) =

按键(key)

丝印 (silkscreen)	信号 (signal)	功能 (function)	描述 (description)
SW1	NRST	设备复位 (device reset)	按下设备复位 (press device reset)
SW2	WKUP	唤醒 (wake up)	按下产生唤醒信号 (boot mode contrl)
SW3	BOOT_CS_OFF	启动模式控制 (boot mode contrl)	按下并上电，设备进入下载模式 (press to generate wake up signal)

USB下载口(USB download port)

丝印 (silkscreen)	信号 (signal)	功能 (function)	描述 (description)
J9	HHSDMA,HHSDPA	烧录接口 (programming interface)	设备进入下载模式后，通过此接口烧录程序 (after device is entered into mode of download,programming will be done via this interface)

USB接口(USB interface)

USB-B & USB3

丝印 (silkscreen)	信号 (signal)	功能 (function)	描述 (description)
U10	HHSDPB,HHSDMB	USB HUB芯片 (USB HUB chip)	通过USB2514扩展出3个USB接口和一个3G USB接口 (USB2514 is expanded to 3 USB ports and 1 3G USB port)
J11	USBDN_DP3,USBDN_DM3	USB	USB插座接口 (USB socket port)

USB1 & USB2

丝印 (silkscreen)	信号 (signal)	功能 (function)	描述 (description)
J10[1~4]	USBDN_DP2,USBDN_DM2	USB	USB接口 (USB port)
J10[5~8]	USBDN_DP1,USBDN_DM1	USB	USB接口 (USB port)

USB WIFI模块(USB WIFI module)

丝印 (silkscreen)	信号 (signal)	功能 (function)	描述 (description)
U11	HHSDPC,HHSDMC	USB-WIFI	使用USB-C用作USB-WIFI(RTL8188EUS)接口 (USB-C is used as USB-WIFI(RTL8188EUS) interface)

LCD、背光及触摸屏(LCD、backlight and touch screen)

LCD有2组接口，2组接口共用一组信号。其中一组支持24位，另一组支持18位（使用24数据位可以兼容这2组接口）。
LCD has two groups of interfaces，these two groups of interfaces share the same group of signal。one group support 24bit,another group support 18bit（24 data bit can be compatible to these two groups of interfaces）

24位LCD显示及触摸屏接口(24bit LCD display and touch screen interface)

丝印 (silkscreen)	信号 (signal)	功能 (function)	描述 (description)
J14	PA*	LCD接口 (LCD interface)	24位LCD显示屏接口 (24bit LCD display touch screen interface)
J15	PD20~PD23	触摸屏接口 (touch screen interface)	4线电阻触摸屏接口 (4thread resistance touch screen interface)

18位LCD触摸屏接口(18bit LCD touch screen interface)

丝印 (silkscreen)	信号 (signal)	功能 (function)	描述 (description)
J16	PA*	LCD接口 (LCD interface)	18位LCD显示屏接口 (18bit LCD display screen interface)
J31	PD20~PD23	触摸屏接口 (touch screen interface)	4线电阻触摸屏接口 (18bit LCD display screen interface)

背光控制(backlight control)

丝印 (silkscreen)	信号 (signal)	功能 (function)	描述 (description)
MP3202DJ	PA24(LCD_PWM)	LCD背光调节 (LCD backlight regulation)	LCD背光亮度调节 (regulation of LCD backlight brighteness)

LED接口(LED interface)

丝印 (silkscreen)	信号 (signal)	功能 (function)	描述 (description)
D12	PE1	GPIO-LED	实现为内核启动后该LED常亮 (the LED is realized to solid lit after kernel booting)
D13	PE2	GPIO-LED	实现为CPU正常工作时LED闪烁 (LED is realized to flash when CPU is working normally)
D14	PE3	GPIO-LED	实现为通用GPIO-LED，系统下用户可控制LED亮灭 (it is realized to be as universial GPIO-LED,users can control on/off of the LED in the system)
D15	PE4	GPIO-LED	实现为GPIO-TIMER，系统下可调节高低电平持续时间 (it is realized as GPIO-TIMER,which can regulate holding time of high/low electrical level in the system)

　说明：LED复用EBI的4个引脚（即如果要使用EBI，则不能实现PE1~PE4为LED）。
instruction:LED multiplex the 4 pins of EBI(e.g if want to use EBI,then PE1~PE4 can't work sa LED)

串口(serial port)

调试串口(debug serial port)

丝印 (silkscreen)	信号 (signal)	功能 (function)	描述 (description)
P1	DTXD,DRXD	调试串口 (debug serial port)	用于系统信息输出，系统控制命令输入。 (to be used as output of system information and input of system control command)

USART&UART

丝印 (silkscreen)	信号 (signal)	功能 (function)	描述 (description)
U21(9,10)	TXD0,RXD0	USART0	USART0信号 (USART0 signal)
J26(11~14)	TXD1,RTS1,CTS1,RXD1	USART1	USART插针接口 (USART pin interface)
J26(7~10)	TXD2,RTS2,CTS2,RXD2	USART2	USART插针接口 (USART pin interface)
J26(16,18)	RXD3,TXD3	USART3	USART插针接口 (USART pin interface)
J26(15,17)	UTXD0,URXD0	UART0	UART插针接口 (USART pin interface)

RS232

丝印 (silkscreen)	信号 (signal)	功能 (function)	描述 (description)
J27(1,2)	RS232_RXD3, RS232_TXD3	RS232	USART3复用为RS232 (USART3 is multiplexed as RS232)
J27(3,4)	RS232_URXD0, RS232_UTXD0	RS232	UART0复用为RS232 (UART0 is multiplexed as RS232)
J27(5,6)	RS232_TXD0, RS232_RXD0	RS232	USART0复用为RS232 (UART0 is multiplexed as RS232)