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User's Manual  l  MBa335x UM 0202  l  © 2018, TQ-Systems GmbH 

 

Page  5 

 

3.1.2

 

Functionality 

The system core is the TQMa335x processor module with a Texas Instruments Sitara AM335x CPU. 
The TQMa335x connects all peripheral components to each other. 
In addition to the standard communication interfaces like USB, Ethernet, RS-232, RS-485, LVDS etc. all other available signals of 
the TQMa335x are routed to 2.54 mm standard headers. 
The following interfaces / functions and user's interfaces are provided on the MBa335x. 
 

Table 2: 

Overview interfaces 

Interface 

Qty. 

Type of connector 

Remark 

USB 2.0 Hi-Speed host 

2 

USB receptacle Type-A 

Dual port receptacle, right angle 

USB 2.0 Hi-Speed host 

1 

USB receptacle Type-A 

Single port receptacle, right angle 

USB 2.0 Hi-Speed host 

1 

Header 

– 

USB 2.0 Hi-Speed OTG 

1 

USB receptacle micro-AB 

– 

Ethernet 1000BASE-T 

1 

RJ45 receptacle 

Receptacle with integrated magnetics 

CAN 

2 

Phoenix basic housing 

Straight version, gal. separated 

RS-485 

1 

Phoenix basic housing 

Straight version, gal. separated 

RS-232 

1 

D-Sub 9-pin connector 

Right angle, Debug-UART 

LVDS 

1 

DF19 receptacle 

LVDS data 

LVDS-CMD 

1 

DF19 receptacle 

LVDS control lines 

Audio Out 

3 

Jack 3.5 mm 

1 × Line-out (stereo)  
1 × Line-in (stereo)  
1 × Microphone (mono) 

SD card 

1 

Push-Pull type 

– 

1 

Mini PCIe 

– 

PCIe 

1 

SIM card holder 

– 

JTAG 

1 

20-pin header, 2.54 mm pitch 

– 

EMU 

1 

8-pin header, 2.54 mm pitch 

– 

Headers 

3 

Header, 2.54 mm pitch 

- 

USB Host 6, Host 4 

- 

Test 

- 

I2C0, I2C1, I2C2 

- 

MCASP0 

- 

RES1, RES2 

- 

UART0, UART3, UART4 

- 

SPI0, SPI1 

- 

Timer 

- 

Touch 

- 

LCD-CTRL, LCD-DATA 

- 

CLKOUT 

- 

ANALOG 

1 

DC jack (2.5 mm / 5.5 mm) 

– 

Power In  
(V

IN

 = 24 V ±5 % DC) 

1 

DC jack 2-pin (screw terminals) 

– 

Power Out header 

1 

Header, 2.54 mm pitch 

- 

 3.3 V @ 2 A 

- 

  5 V @ 2 A 

- 

  12 V @ 3 A 

Backup supply 

1 

8-pin header, 2.54 mm pitch 

– 

Battery holder 

1 

CR2032 holder 

Backup battery RTC 

 

Table 3: 

Overview diagnose and user’s interfaces 

Interface 

Qty. 

Component 

Remark 

Status-LEDs 

18 

Chip LEDs 

Among others Power-LEDs, LEDs at GPIOs, … 

Temperature sensor 

1 

SE97BTP 

– 

Power / reset button 

3 

Push button 

– 

Navigation buttons 

3 

Push button 

– 

Boot-Mode configuration 

16 

DIP switch 

– 

CAN and RS-485 termination 

4 

DIP switch 

– 

Signal generator 

1 

Buzzer 

– 

 

Содержание MBa335x

Страница 1: ...MBa335x User s Manual MBa335x UM 0202 26 10 2018...

Страница 2: ...1 TQMa335x 6 4 1 2 I2 C address mapping 9 4 1 3 Temperature sensor 10 4 1 4 RTC backup supply 11 4 1 5 Power and Reset 12 4 1 6 Port Expander 14 4 1 7 Further configuration options 15 4 1 8 Real Time...

Страница 3: ...TIONS 53 7 1 EMC 53 7 2 ESD 53 7 3 Operational safety and personal security 53 8 CLIMATIC AND OPERATIONAL CONDITIONS 53 8 1 Protection against external effects 53 8 2 Reliability and service life 53 9...

Страница 4: ...21 Parameter LT3503 VCC1V5 18 Table 22 Power supply connectors 18 Table 23 Characteristics USB 19 Table 24 USB Hub components 21 Table 25 Pinout USB Host 1 and 2 X7 21 Table 26 Pinout USB Host 3 X8 21...

Страница 5: ...Ie components 36 Table 67 Pinout Mini PCIe X22 37 Table 68 Pinout SIM card X23 37 Table 69 Reset source for JTAG Reset 38 Table 70 Reset source for EMU 2 38 Table 71 Reset source for EMU 4 38 Table 72...

Страница 6: ...Block diagram RS 485 X16 27 Illustration 22 Position of RS 485 X16 27 Illustration 23 Block diagram RS 232 X15 28 Illustration 24 Position of RS 232 X15 28 Illustration 25 Block diagram LVDS X17 29 I...

Страница 7: ...Y Rev Date Name Pos Modification 0200 05 10 2015 Petz First issue 0201 02 11 2016 Petz All 1 4 Table 76 Table 82 Table 88 Typo Updated Information regarding pin 58 clarified Columns added Updated and...

Страница 8: ...demarks are rightly protected by a third party 1 3 Disclaimer TQ Systems GmbH does not guarantee that the information in this User s Manual is up to date correct complete or of good quality Nor does T...

Страница 9: ...used This symbol represents important details or aspects for working with TQ products Command A font with fixed width is used to denote commands file names or menu items 1 7 Handling and ESD tips Gen...

Страница 10: ...turer s specifications of the components used for example CompactFlash cards are to be taken note of They contain if applicable additional information that must be taken note of for safe and reliable...

Страница 11: ...are available on the MBa335x The AM335x CPU characteristics can be evaluated and therefore the software development for a TQMa335x project can be started immediately The MBa335x supports all TQMa335x...

Страница 12: ...RS 485 1 Phoenix basic housing Straight version gal separated RS 232 1 D Sub 9 pin connector Right angle Debug UART LVDS 1 DF19 receptacle LVDS data LVDS CMD 1 DF19 receptacle LVDS control lines Audio...

Страница 13: ...th DIP switches see section 4 3 5 The connector used on the MBa335x is shown in Table 4 If a different board to board distance is required higher connectors can be used Suitable types are to be taken...

Страница 14: ...r DGND 55 56 DGND Power 0 V P D14 O 3 3 V DIV CLKOUT 2 57 58 CLKOUT 1 DIV 3 3 V O A15 P 0 V Power DGND 59 60 DGND Power 0 V P D12 I O 3 3 V Audio MCASP0 AXR0 61 62 MCASP0_FSR Audio 3 3 V I O C13 D13 I...

Страница 15: ...3 3 V RGMII RGMII_2 TD2 55 56 RGMII_2 RD2 RGMII 3 3 V I U16 U14 O 3 3 V RGMII RGMII_2 TD3 57 58 RGMII_2 RD3 RGMII 3 3 V I V16 P 0 V Power DGND 59 60 DGND Power 0 V P U7 I O 3 3 V MMC MMC1 DAT0 61 62...

Страница 16: ...s EEPROM M24C64 0x50 101 0000b EEPROM SE97BTP 0x57 101 0111b Temperature sensor SE97BTP 0x1F 001 1111b RTC DS1339U 0x68 110 1000b PMIC TPS659 0x2D 010 1101b TQMa335x PMIC TPS659 0x12 001 0010b Audio c...

Страница 17: ...l device address see 4 1 2 for address mapping Table 9 Electrical characteristics SE97BTP Parameter Value Range Accuracy 2 C 3 C 40 C to 125 C 40 C to 125 C Resolution 0 125 C 11 bit The SE97BTP on th...

Страница 18: ...as well as the CPU is provided in the data sheets see 1 2 and 3 Illustration 6 RTCs supplies on TQMa335x The following table shows the electrical characteristics of the RTCs Table 10 Electrical charac...

Страница 19: ...Ba335x USB 2 0 Hi Speed Hub USB2517 D1600 Ethernet 1 PHY KSZ9031 D1400 Ethernet 2 PHY KSZ9031 D1600 Reset output at LVDS CMD X18 Audio Codec TLV320A N2200 Mini PCIe X22 For external components PWRONRS...

Страница 20: ...0202 l 2018 TQ Systems GmbH Page 13 Illustration 8 Position push buttons S8 S9 S10 Table 13 Reset Power buttons Manufacturer Number Description Knitter Switch TSS 61N Push button Knitter Switch TMSE 1...

Страница 21: ...U PD to VCC3V3 IO2 PCIE PWR_EN Pin ON OFF of VCC3V3_MPCIE regulator N2300 10 k PD to GND optional PU to VCC3V3 IO3 LVDS SHTDN Pin SHTDN of LVDS Transmitter D2000 10 k PD to GND optional PU to VCC3V3 I...

Страница 22: ...AM335x data sheet for appropriate multiplexing More signals must be multiplexed to header X4 for full functionality Table 15 Placement option PR1_UART0_CTS Option R412 R413 R707 R708 Remark DCAN0_TX a...

Страница 23: ...ble at the PCIe connector X22 The 1 5 V rail can supply a maximum of 0 375 A The MBa335x supply is only switched on by 3 3 V when the TQMa335x power supply is up completely to avoid cross supply by th...

Страница 24: ...iates significantly from the nominal value when high loads are switched on or off The requirements for VCC12V as well as the suitability of the regulator have to be checked with customer designs The p...

Страница 25: ...IOUT 2 A 0 A Table 21 Parameter LT3503 VCC1V5 Parameter Min Typ Max Unit Remark Output voltage 1 492 1 501 V DC load Output current 0 75 A Ripple 6 8 mVpp mVpp IOUT 0 375 A IOUT 0 75 A Load step chan...

Страница 26: ...Type A connector X8 USB host 4 is available at header X4 on the MBa335x and USB host 6 at header X5 on the MBa335x USB host 5 is available at LVDS CMD connector X18 USB host 7 is available at the Mini...

Страница 27: ...User s Manual l MBa335x UM 0202 l 2018 TQ Systems GmbH Page 20 Illustration 13 Position of USB X4 X5 X7 X8 Illustration 14 Position of LVDS CMD X18 X4 X5 X7 X8...

Страница 28: ...series 4A DGND DGND P 1B VBUS USB_H2_VBUS P 100 F to DGND EMI filter 2B D USB_H2_D_N I O Common mode choke in series 3B D USB_H2_D_P I O Common mode choke in series 4B DGND DGND P M1 4 DGND DGND P Tab...

Страница 29: ...theoretical data rate of 480 Mbit s The data rate can significantly deviate depending on the hardware and software used Table 29 Characteristics USB OTG Parameter Min Typ Max Unit Voltage 4 75 5 00 5...

Страница 30: ...MII USB0_DRVBUS GPIO1_29 ENET_2 INT ENET_1 INT Illustration 17 Block diagram Ethernet 1000BASE T The interrupt outputs of the PHYs are routed to the TQMa335x by default Optionally the interrupt output...

Страница 31: ...LED ETH1G_1_LED1 14 LED VCC3V3 220 in series Activity yellow blinks at transfer 15 LED ETH1G_1_LED2 16 LED VCC3V3 220 in series Link green lights up when connected 17 VCC n c 18 VCC n c M1 2 DGND DGND...

Страница 32: ...witches S3 1 and S3 2 The CAN interfaces are not qualified Table 36 CAN DIP switch settings S3 Switch Interface ON OFF S3 1 CAN0 CAN1 terminated with 120 CAN1 not terminated S3 2 CAN1 CAN2 terminated...

Страница 33: ...ix Contact MCV 1 5 3 G 3 5 3 pin housing 160 V 8 A 3 5 mm pitch Table 40 Pinout CAN0 X13 Pin Signal Dir Remark 1 CAN0_H_p I O Galvanically separated 2 CAN0_L_n I O Galvanically separated 3 DGND_CAN P...

Страница 34: ...1912 R1913 Remark Full duplex NP 0 Receiver always active default assembly Half duplex 0 NP Receiver controlled by RTS UART0 RTS The RS 485 signals can be terminated with 120 using DIP switches S4 1 a...

Страница 35: ...CTS are also available at X15 The UART4 interface is used to output debug information Additional information e g default baud rate can be found in the TQMa335x Support Wiki Illustration 24 Position o...

Страница 36: ...rovided at the connector TQMa335x LCD DAT 23 00 LVDS transmitter SN75LVDS83 30 pin connector X17 LVDS0 TX0 LVDS0 TX1 LVDS0 TX2 LVDS0 TX3 LVDS0 CLK 3V3 5V LCD HSYNC LCD VSYNC LCD PCLK LCD MCLK LVDS SHT...

Страница 37: ...er 10 0_TX3 LVDS0_TX3_N O ESD filter 11 0_TX3 LVDS0_TX3_P O ESD filter 12 1_TX0 n c O 13 1_TX0 n c O 14 DGND DGND P 15 1_TX1 n c O 16 1_TX1 n c O 17 DGND DGND P 18 1_TX2 n c O 19 1_TX2 n c O 20 1_CLK...

Страница 38: ...can be selected with an assembly option MCASP0 AXR2 is the default See Table 50 for the available signals and the required component placement Table 50 Placement option for LCD contrast Signal R928 R9...

Страница 39: ...ding the current drawn from the headers 11 F to Ground 4 DGND DGND P 5 DGND DGND P 6 DGND DGND P 7 VCC5V VCC5V P 8 VCC5V VCC5V P Imax 1 A excluding the current drawn from the headers 11 F to Ground 9...

Страница 40: ...The following table shows the possible configuration Table 54 Configuration line out headphone X21 Mode R2207 R2209 R2210 R2211 Remark Headphone NP NP 0 0 Line out 0 0 NP NP Default The following tabl...

Страница 41: ...i LJE3530K Jack 3 5 mm Table 61 Pinout microphone X19 Pin Pin name Signal Dir Remark 1 Ground AGND_AUDIO P 2A 2B Left MIC_IN I 2 2 k in series to MIC_BIAS ESD protection 3 Right AGND_AUDIO I 10 k in s...

Страница 42: ...e SD card connector by default This may cause transmission errors and it is recommended to assemble R402 and R405 in such a case to use these signals at the SD card interface In this case the UART3 in...

Страница 43: ...CIe The MBa335x provides a Mini PCIe socket It provides a USB I2 C and a SIM card interface Illustration 34 Position of Mini PCIe X22 X23 Table 66 Mini PCIe components Manufacturer Number Description...

Страница 44: ...P Can be switched off by PCIE PWR_EN 29 GND DGND P 30 SMB_CLK I2C1 SCL I 31 PETn0 n c 32 SMB_DATA I2C1 SDA I O 33 PETp0 n c 34 GND DGND P 35 GND DGND P 36 USB_D USB_H7_D_N I O Common mode choke in ser...

Страница 45: ...Table 69 Reset source for JTAG Reset Option R431 R432 JTAGRST at WARMRST 0 NP JTAGRST at PWRONRST_IN default assembly NP 0 In addition to the JTAG signals at X24 five EMU signals are available at X25...

Страница 46: ...JTAG VREF P 100 to VCC3V3 use only as reference 2 VCC3V3 P 0 to VCC3V3 Imax 10 mA 3 JTAG TRST I 10 k Pull Up to VCC3V3 4 DGND P 5 JTAG TDI I 10 k Pull Up to VCC3V3 6 DGND P 7 JTAG TMS I 10 k Pull Up...

Страница 47: ...prehensive evaluation of the TQMa335x modules All headers are 60 pin with 2 54 mm pitch The headers are positioned in such a way that adaptor boards which additional electronics and connectors can be...

Страница 48: ...O Blue 2 25 LCD LCD DAT16 O Red 4 26 LCD LCD DAT4 O Blue 4 27 LCD LCD DAT1 O Blue 1 28 LCD LCD DAT23 O 29 LCD LCD DAT3 O Blue 3 30 LCD LCD DAT20 O 31 LCD LCD DAT22 O 32 LCD LCD DAT19 O 33 LCD LCD DAT...

Страница 49: ...TIMER TIMER 7 I O 24 DGND DGND P 25 DGND DGND P 26 CAN DCAN0_TX O 27 TIMER CLKOUT 1 O 28 CAN DCAN0_RX I 29 TIMER CLKOUT 2 O 30 CAN DCAN1_TX O 31 n c 32 CAN DCAN1_RX I 33 DGND DGND P 34 DGND DGND P 35...

Страница 50: ...D PLL P 27 CONFIG EXTINT I 28 CONFIG TEST VDD USB P 29 CONFIG EXT_WAKEUP I 30 CONFIG TEST VDDA ADC P 31 DGND DGND P 32 CONFIG TEST VDDS RTC P 33 I2C I2C0 SDA I O 34 CONFIG TEST VDD CORE P 35 I2C I2C0...

Страница 51: ...tive V1203 Green VBUS USB Host 2 lights up when VBUS of USB Host 2 is active V1205 Green VBUS USB Host 3 lights up when VBUS of USB Host 3 is active V1301 Green VBUS USB OTG lights up when VBUS of USB...

Страница 52: ...User s Manual l MBa335x UM 0202 l 2018 TQ Systems GmbH Page 45 Illustration 38 Position of LEDs Table 80 Status LEDs component Manufacturer Number Description Osram LGR971 KN 1 SMD LED green chip 0805...

Страница 53: ...button signal at interrupt output GPIO1_28 which makes debouncing unnecessary Illustration 39 Block diagram navigation buttons Illustration 40 Position of navigation buttons S5 S6 S7 and S10 Table 81...

Страница 54: ...primary boot source The exact list of signals as well as their meaning for the boot process is to be taken from the TQMa335x User s Manual Some of the signals are not relevant for boot source selecti...

Страница 55: ...x x x X2_97 LCD DAT11 S1 5 x x x X2_96 LCD DAT12 S1 6 x x x X2_95 LCD DAT13 S1 7 1 1 1 X2_94 LCD DAT14 S1 8 0 0 0 X2_93 LCD DAT15 S2 1 0 0 1 X2_110 LCD DAT0 S2 2 0 0 1 X2_109 LCD DAT1 S2 3 1 0 1 X2_1...

Страница 56: ...as well as the required assembly option Table 84 Placement option for buzzer control Signal R910 R913 R914 R925 R926 R927 GPIO2 0 0 NP NP NP NP NP TIMER 4 default assembly NP 0 NP NP NP NP TIMER 5 NP...

Страница 57: ...of this specification More information can be found in the Support Wiki for the TQMa335x 6 MECHANICS 6 1 Dimensions The MBa335x has overall dimensions length width of 170 170 mm2 The MBa335x has a ma...

Страница 58: ...n the COMSys housing 6 3 Thermal management No special precautions were taken concerning the thermal management of the MBa335x Cooling the TQMa335x may be necessary depending on the software or the TQ...

Страница 59: ...User s Manual l MBa335x UM 0202 l 2018 TQ Systems GmbH Page 52 Illustration 47 MBa335x component placement bottom...

Страница 60: ...e Remark Environmental temperature 0 C to 70 C Without Lithium battery Environmental temperature 0 C to 60 C With Lithium battery Storage temperature 10 C to 60 C Relative air humidity operation stori...

Страница 61: ...enerally only mounted in sockets 9 6 2 Lithium batteries The requirements concerning special provision 188 of the ADR section 3 3 are complied with for Lithium batteries There is therefore no classifi...

Страница 62: ...ic Compatibility EMI Electromagnetic Interference eMMC embedded Multimedia Card Flash EN European standard Europ ische Norm ESD Electrostatic Discharge EuP Energy using Products FET Field Effect Trans...

Страница 63: ...ace RJ45 Registered Jack 45 RMS Root Mean Square RoHS Restriction of the use of certain Hazardous Substances RS 232 RS 485 Recommended Standard serial interface RTC Real Time Clock SD card Secure Digi...

Страница 64: ...te Company 1 AM335x ARM Cortex A8 Microprocessors Technical Reference Manual K June 2014 Texas Instruments 2 Sitara AM335x ARM Cortex A8 Microprocessors MPUs G June 2014 Texas Instruments 3 TPS65910Ax...

Страница 65: ...TQ Systems GmbH M hlstra e 2 l Gut Delling l 82229 Seefeld Info TQ Group TQ Group...

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