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ZIO, Motherboard

User Manual

2.0, Oct 2013

Содержание ZIO

Страница 1: ...ZIO Motherboard User Manual 2 0 Oct 2013...

Страница 2: ...ed under the Creative Commons Attribution Share Alike 2 5 India License To view a copy of this license visit http creativecommons org licenses by sa 2 5 in or send a letter to Creative Commons 171 Sec...

Страница 3: ...hy 1 2 Product Features 1 2 Connecting to ZIO 3 1 SPI Pinmap 3 2 UART I2C Pinmap 4 3 DIO Pinmap 4 4 PWM Pinmap 5 5 AIO Pinmap 6 3 ZIO Recipes 8 1 GPIO Port 8 2 I C Port 11 3 SPI Port 12 4 Sensor Port...

Страница 4: ...to PC Use high level languages like Python and Java Extend the IO capabilities of the PC Rapid prototype development Figure 1 1 Block Diagram 2 Product Features Connects to PC through USB Interfaces G...

Страница 5: ...ZIO Motherboard User Manual Rev 2 0 Zilogic Systems Page 2 Port interfacing guidelines for common scenarios GUI based Control Panel to explore the board On field firmware upgrade through USB...

Страница 6: ...2 1 SPI Header Pin Header Signal Signal Type 1 VCC 5V 2 SCK TTL Out 3 MISO TTL In 1 4 MOSI TTL Out 5 SS TTL Out 6 DIO0 OC 2 7 DIO1 OC 2 8 DIO2 OC 2 9 DIO3 OC 2 10 GND Ground 1 5V tolerant Input 2 Ope...

Страница 7: ...t 2 Open collector with 5V pull up VCC Pin 1 This is the 5V power supply for the external devices The supply has a total current limit of 200mA when powered through USB RXD Pin 2 This is receive line...

Страница 8: ...SB DO Pin 2 9 These are digital output signals The signal is a 5V logic signal but the output can drive a 5V device or 3 3V device with 5V tolerance DIO Pin 10 13 These are digital input output signal...

Страница 9: ...uty cycle The duty cycle is defined as the ratio between the pulse duration and pulse period of a rectangular waveform The PWM signal can be used to control the power delivered to a load by controllin...

Страница 10: ...it of 200mA when powered through USB ADC Pin 2 5 These are analog input signals connected to a 10 bit Analog to Digital Converter The maximum analog input voltage is 3 0V DAC Pin 8 This is analog outp...

Страница 11: ...ce is to be used And the power supply can be controlled using a MOSFET switch The circuit diagram for connecting a series of LEDs is shown above The following formula can be used to calculate the resi...

Страница 12: ...to a load operating at 230V AC In such situations the microcontroller needs to be electrically isolated from the high voltage section using a opto coupler Note that though relays can also be used for...

Страница 13: ...practical purposes a It 1mA input current is sufficient to make the Input signal go low The base resistance Rb has to be chosen to make the Input signal low when the required input voltage is driven R...

Страница 14: ...ed to the I C port The device can be powered from an external 3 3V supply or the 3 3V supply can be generated from the 5V Power using a regulator An example circuit with the commonly available LM1117...

Страница 15: ...erance can be directly connected to the SPI port The device can be powered from an external 3 3V supply or the 3 3V supply can be generated from the 5V Power using a regulator An example circuit with...

Страница 16: ...lled resistive sensors Examples of resistive sensors are Light Dependent Resistor LDR thermistor etc These sensors can be directly connected between the Sensor signal and GND As the parameter being me...

Страница 17: ...5 0x7FFF 3 0 0 Voltage measurement 15V to 15V The following circuit can be used to measure voltages in the range 15V to 15V The input voltages and the corresponding raw values is shown in the table be...

Страница 18: ...As the temperature changes from 2 o C to 150 o C the voltage rises from 0V to 1 5V The LM35 can be connected to the Sensor port using the transistor buffer and is shown in the following circuit 5 PWM...

Страница 19: ...hrough a circuit called the H Bridge A simple H Bridge constructed using switches is shown in the following diagram By controlling the switches the motor can be made to rotate forward reverse brake an...

Страница 20: ...can also be used for motor control applications The block diagram of one half of a L298 is shown in the following diagram By controlling the inputs various functions can be selected as shown in the ta...

Страница 21: ...ZIO Motherboard User Manual Rev 2 0 Zilogic Systems Page 18...

Страница 22: ...The control panel has multiple sub panels one for each module Figure 4 1 Serial Device Input Figure 4 2 Control Panel Screenshot Controlling GPIO Outputs The GPIO outputs can be controlled by togglin...

Страница 23: ...evices can be accessed using the controls in SPI panel To configure the device 1 Specify the GPIO output that is to be used as chip select in the Chip Select combo box 2 If the chip select is active h...

Страница 24: ...become the property of Zilogic Systems All defective parts that have been repaired shall remain your property 2 2 EXCLUSIONS The foregoing warranties and remedies shall be void as to any Hardware Prod...

Страница 25: ...is required that you deliver the faulty unit to a location Zilogic Systems designates and provide courier name and tracking number to Zilogic Systems After the Faulty unit is returned to Zilogic Syst...

Страница 26: ...OT RELATED TO AN ERROR DEFECT OR NONCONFORMITY IN THE PRODUCTS ANY AMOUNTS IN EXCESS IN THE AGGREGATE OF THE AMOUNT PAID TO ZILOGIC SYSTEMS HEREUNDER DURING THE THREE 3 MONTHS PRECEDING THE DATE THE C...