Propox CY8C21 Series Скачать руководство пользователя страница 9

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RS232 Interface

There is a DB-9 connector on the board, connected with the ST3232 state converter. On the other
side of the converter there are pin connectors with converter circuit terminals, allowing to plug in to
the processor.

Figure 5. RS232 Implementation

Switches

The board is equipped with 8 micro-switches. Pressing one of them causes grounding of the
corresponding pin on the SW header.

Figure 6. Switches Implementation

Содержание CY8C21 Series

Страница 1: ...trollers Servers Prototyping Boards m i lers Starter Kits Em bedded W eb 51 AVR ST PIC m icrocontrol Speed In System s program m e rocontrollers Starter Kits Em be ards for 51 AVR ST PIC m ic PC B designing Evaluation Bo ollers M icroprocesor system s rs for AVR PIC ST m icrocontrl dded W eb Serw ers Prototyping m ers for AVR PIC ST m icroco H igh Speed In System program controllers ethernet contr...

Страница 2: ...sh Memory 7 1 Wire Connector 8 I2C Connector 8 RS232 Interface 9 Switches 9 Relay 10 Buzzer 10 Potentiometers 11 7 Segment LED Displays 11 LM35 Thermometer 12 RTC DS1307 12 LCD Display 13 ADJC Potentiometer 14 ADJREF Potentiometer 14 3V3POT Potentiometer 14 RESET Switch 14 6 Connectors Description 15 7 Jumpers and LED Description 17 8 Technical Support 17 9 Guarantee 17 10 Schematic 17 ...

Страница 3: ...all these components In addition there are eight micro switches and eight diodes which could be connected to any of the pin connectors or additional components which may be placed on the large adjacent prototype area The power circuitry on board bridge voltage regulator eliminates the need for an external regulated power supply This board comes with the several examples of the C code routines sour...

Страница 4: ...2 Board Layout Schematic ...

Страница 5: ...All Pins 17 DataFlash Memory 18 RTC DS1307 19 LM317 20 Four 7 Segment Displays 21 2x16 Alphanumeric Display 22 LED Diodes 3 Available Microcontrollers CY8C21xxx CY8C24xxx CY8C27xxx CY8C29xxx CY8C21534 CY8C24423 CY8C27443 CY8C29466 Themperature Range form 40C to 85C Package 28 PDIP CY8C27443 CY8C29466 Internal Oscillator 2 5 24 48 MHz 2 5 24 48 MHz Flash 16kB 32kB RAM 256B 2kB Switch Mode Pump YES ...

Страница 6: ...per results in all the circuits being supplied with 3 3V voltage it can be regulated by 3V3 potentiometer from 1 8V to 3 3V by the open jumper the voltage will be 5V SUPPLY jumper gives the opportunity of connecting voltage omitting the circuits of the bridge and the regulator SMP is a system which can be used as a part of a voltage regulator For example it is possible to supply power to a PSoC mi...

Страница 7: ...gram with different hardware configurations The diode turns on after grounding of the associated Ldn n 0 8 pin Figure 1 LED Diodes DataFlash Memory Board have external DataFlash AT45DB041B memory with 4MB space Memory is power by diode which decrease voltage Is a possibility to power without that diode correctly from supply source by short jumper 3V3 placed near memory Figure 2 DataFlash Memory Im...

Страница 8: ...ternal devices using an 1 wire interface Figure 3 1 Wire Connector I2C Connector Allows to connect an external devices using an 1 wire interface Extras jumpers placed near connector allow to connect pull up resistors Figure 4 I2C Implementation ...

Страница 9: ... side of the converter there are pin connectors with converter circuit terminals allowing to plug in to the processor Figure 5 RS232 Implementation Switches The board is equipped with 8 micro switches Pressing one of them causes grounding of the corresponding pin on the SW header Figure 6 Switches Implementation ...

Страница 10: ...c level 0 applied to the REL pin will activate the relay External circuits can be controlled via NC NO COM I O pins Figure 7 Relay Implementation Buzzer The board has an acoustic indicator turned on and off by the transistor The base of the transistor is connected to the SPK pin of the MISC header Logic level 0 applied to the SPK pin will activate the speaker Figure 8 Buzzer Impedance ...

Страница 11: ... connector Customer can choose a resistance of potentiometer during buying board Figure 9 Potentiometers Implementation 7 Segment LED Displays The board is equipped with four 7 segment led display They make an interface between the system and the user allowed to display up to four chars Each led display has two anodes seven segments and DP digital point which become active after applied to their p...

Страница 12: ...entation RTC DS1307 The board has one real time clock with accumulator 3V6 The board can be also supply form accumulator The clock communicates with the micro through the I2C interface All the connections needed for controlling the DS1307 circuit are brought out to the RTC pin header The accumulator pin is also placed on the header Figure 12 RTC Implementation ...

Страница 13: ...R S The display R W line is connected to ground by jumper all other lines are available at the pin header The adjustment of contrast id done by two way by potentiometer ADJ CONT which output pin ADJC must be then connected with LCD s pin CONT programmable then LCD s pin CONT must be connected to the processor Figure 13 LCD Display Implementation ...

Страница 14: ...pin CONT ADJREF Potentiometer Allow to adjust reference voltage of ADC in range from 0V to VTG It is connected by jumper AREF to one of microcontroller s port 3V3POT Potentiometer The board is equipped with one potentiometer allowing to regulate voltage VTG between 3 3 1 25V even if 3V3 jumper is closed RESET Switch Allow to apply external reset ...

Страница 15: ...pr GND Power supply ground XRES reset SMP battery supply P0 0 7 P1 0 1 P2 0 1 ports GND ground SCK clock SO data output SI data input WP write protect CS chip select A0 A3 anodes Power supply A B C D E F G DP segments Power supply ...

Страница 16: ...xD write and read data from RS232 SPK Buzzer TEM LM35 ADJ0 ADJ1 potentiometers REL relay WIRE 1 Wire VBAT accumulator Power supply FT RTC correction line SDA RTC data SCL RTC clock LD0 LD7 LEDs SW0 SW7 switches ...

Страница 17: ...on Number of the board version e g REV 1 A detailed description of the problem 9 Guarantee The board is covered by a six month guarantee All faults and defects not caused by the user will be removed at the Producer s cost Transportation costs are borne by the buyer The Producer takes no responsibility for any damage and defects caused in the course of using the board 10 Schematic ...

Страница 18: ...18 ...

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