User Manual
Contents
1. This work is licensed 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 Second Street Suite 300 San Francisco California 94105 USA 2 Disclaimers NO WARRANTY ZILOGIC SYSTEMS DEVELOPMENT KITS AND TECHNICAL SUPPORT IF ANY ARE PROVIDED AS IS AND WITHOUT ANY WARRANTY OF ANY KIND EXPRESS OR IMPLIED TO THE MAXIMUM EXTENT PERMITTED UNDER APPLICABLE LAWS ZILOGIC SYSTEMS EXPRESSLY DISCLAIMS ALL WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT ZILOGIC SYSTEMS DOES NOT WARRANT THAT THE FUNCTIONS CONTAINED IN ZILOGIC SYSTEMS DEVELOPMENT KITS WILL MEET YOUR REQUIREMENTS OR THAT THE OPERATION WILL BE UNINTERRUPTED OR ERROR FREE OR THAT DEFECTS IN ZILOGIC SYSTEMS DEVELOPMENT KITS WILL BE CORRECTED FURTHERMORE ZILOGIC SYSTEMS DOES NOT WARRANT OR MAKE ANY REPRESENTATIONS REGARDING THE USE OR THE RESULTS OF THE USE OF THE ZILOGIC SYSTEMS DEVELOPMENT KITS IN TERMS OF THEIR CORRECTNESS ACCURACY RELIABILITY OR OTHERWISE SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES SO THE ABOVE EXCLUSION MAY NOT APPLY OR MAY BE LIMITED Limitation of Liability Zilogic Systems development kits are not designed authorized or warranted to be suitable for use in medical military airc2. Display and On board keys Well defined IO connector interface for 12C SPI PWM GPIO SIO USB and External power supply Programmable through USB Free and open source compiler and programmer Zilogic s opensource software library Ready to go with Zilogic s Relay Motor Display etc add on boards 2 Applications Motherboard for embedded product Embedded application prototyping Teaching and learning embedded systems 3 Board Details The ZKit 51 RD2 offers the following features NXP P89V51RD2 micro controller with 64KB Flash and 1KB RAM 18 432MHz crystal Power supply USB External 7 5V supply On board Peripherals 16x2 character LCD with backlight USB serial interface for communication and program download Four button keypad Push button with hardware de bounce interrupt input 2 debug LEDs Connectors USB type B connector 2 1mm power supply connector 14 pin header for Digital IO 10 pin header for serial communication 12C 10 pin header for SPI 10 pin header for PWM Zilogic Systems Page 1 ZKit 51 RD2 8051 Development Kit User Manual Rev 1 1 Chapter 2 Board Design 1 Overview A bird s eye view of the devices available on the board is shown in the following block diagram Each device connectivity is described in detail in the following sections Figure 2 1 Block Diagram DIO 14 Pin Header SPI SPI Bus PWM PWM 10 Pin Header 10 Pin Heade
3. ZKit 51 RD2 8051 Development Kit User Manual 1 1 June 2011 E Zoic SYSTEMS ZKit 51 RD2 8051 Development Kit User Manual Rev 1 1 This work is licensed 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 Second Street Suite 300 San Francisco California 94105 USA ZKit 51 RD2 8051 Development Kit User Manual Rev 1 1 Table of Contents 1 INTO UCI mit cti dido 1 I Fealures rana 1 2 APPICAUONS sia 1 s Board Detalls a ene 1 2 Board DESIGN aaa ae 2 Te OWS EV IO WU ia 2 2 Locating Components 31 2 3 POWer SUDPIV soma 3 A GPU tc ii tii iia 4 5 USB Sal aan 5 6 LCD Display rossi atea ada ES anita 6 FAR Debu LE DS carer a S 6 SA e E A E E N dads cant E NE E E N E E E A E E 7 9 MUS UO ROY at ds 7 3 Connecting to ZKit5 RDZ vesical nieta ia 8 1 PWM RIMA alal aaa 8 2 SPT PINMAP A iaia a 9 3 VARE 520 PNAD tie 10 ALDIO PINMAPc nzi lazio 11 A Legal MTOM AO Mise ieee scented ticate even as 12 Ti COPYING tira aires tai ino 12 2 DISCIGIIMIS ara 12 Zilogic Systems Page iii ZKit 51 RD2 8051 Development Kit User Manual Rev 1 1 Chapter 1 Introduction ZKit 51 RD2 is a 8051 micro controller development kit from Zilogic Systems ZKit is designed for easy usage immediate prototyping and extensive product design 1 Features The ZKit 51 RD2 comes with
4. be the connectors in the ZKit 51 RD2 1 PWM Pinmap The pum header is terminated with 5 pulse width modulation signals and power supply Add on boards like LED control motor control can be connected through this header 20 40 60 80 100 10 30 50 70 90 Table 3 1 PWM Header Ping Signal Name MCU Signal 1 VCC VCC 2 PWM 0 P1 4 CEX1 3 PWM 1 P1 5 CEX2 4 PWM 2 P1 6 CEX3 5 PWM 3 P1 7 CEX4 6 PWM 4 P1 3 CEXO 7 FWM 5 ECI P1 2 8 Freg In 1 T2EX P1 1 9 Freg In 2 T2 P1 0 10 GND GND vcc Pin 1 This is the power supply for the external sensors The supply has a total current limit of 200mA when powered through USB PWM Output Pin 2 6 These are PWM output signals The PWM signal when active produces a stream of pulses whose width can be controlled through software An important parameter of a PWM signal is the duty 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 controlling the duty cycle of the PWM signal PWM signals are generally used for Motor speed control LED brightness control power supplies and wave form generation The PWM signal is a 5V CMOS TTL output Zilogic Systems Page 8 ZKit 51 RD2 8051 Development Kit User Manual Rev 1 1 Figure 3 1 PWM signals with various pulse widths Duty Cycle 20 Duty Cycle 60 Freg In Pin 7 9 These are input
5. es can be used to interface any extra signals required for a 12C devices Zilogic Systems Page 10 ZKit 51 RD2 8051 Development Kit User Manual Rev 1 1 GND Pin 10 This is the ground signal All other signals are referenced to this signal 4 DIO Pinmap The DIO header is terminated with port PO and P1 signals along with power supply Add on boards with different functionalities can be connected through this header to the ZKit 51 RD2 20 40 60 80 100 120 140 10 30 50 70 90 110 130 Table 3 4 DIO Header Pin Header Signal MCU Signal 1 VCC VCC 2 DOO P0 0 ADO 3 DO1 PO 1 ADI 4 DO2 P0 2 AD2 5 DO3 P0 3 AD3 6 DOA P0 4 AD3 7 DOS P0 5 AD4 8 DO 6 P0 6 AD5 9 DO7 P0 7 AD6 10 DIOO P1 0 CS 11 DIO1 P1 1 ALE 12 DIO2 P1 2 R W 13 DIO3 P3 3 INT1 14 GND GND vcc Pin 1 This is the power supply for the external devices The supply has a total current limit of 200mA when powered through USB 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 6 7 8 9 These are digital input output signals The signal is a 5V logic signal but the output can drive a 5V device or 3 3V device with 5V tolerance GND Pin 14 This is the ground signal All other signals are referenced to this signal Zilogic Systems Page 11 ZKit 51 RD2 8051 Development Kit User Manual Rev 1 1 Appendix A Legal Information 1 Copying
6. m shows the LCD pin connection details Figure 2 6 LCD Connection Diagram P89V51RD2 LCD MCU P2 4 P2 7 DB4 DB7 RS R W EN 7 Debug LEDs The ZKit 51 RD2 has two debug LEDs LED1 and LED2 connected to P1 0 and P1 3 through a non inverting buffer respectively By driving P1 0 and P1 3 low the LEDs can be switched On The on chip PCA Programmable Counter Array can be used to generate a PWM signal to control the LED brightness of LED2 Zilogic Systems Page 6 ZKit 51 RD2 8051 Development Kit User Manual Figure 2 7 LEDs Connection Diagram VCC VCC P89V664 MCU P1 0 P1 3 CEX2 74HCT25 8 Keypad Rev 1 1 The ZKit 51 RD2 has 4 tactile push button switches connected to P2 4 to P2 7 The keypad connection details are shown in the following diagram Figure 2 8 Keypad Connection Diagram F89V51RD2 MCU 9 Interrupt Key The ZKit 51 RD2 has 1 tactile push button switch for testing interrupts The push button is hardware debounced and connected to INTR1 through a On Off dip switch When the switch is Off INTR1 is available for external usage through PIO BUS header The following diagram shows the interrupt key connection details Figure 2 9 Interrupt Key Connection Diagram P89V51RD2 MCU P3 3 INTR1 Zilogic Systems Page 7 ZKit 51 RD2 8051 Development Kit User Manual Rev 1 1 Chapter 3 Connecting to ZKit 51 RD2 In this chapter we will descri
7. ontroller are listed below e O MHz to 40 MHz operating frequency in 12x mode 20 MHz in 6x mode 64 kB of on chip flash user code memory with ISP and IAP e 1kBRAM e SPI Serial Peripheral Interface and enhanced UART PCA Programmable Counter Array with PWM and Capture Compare functions Three 16 bit timers counters e Four 8 bit I O ports e WatchDog Timer WDT Support for 12 clock default or 6 clock mode selection via ISP Low EMI mode ALE inhibit Power down mode with external interrupt wake up The micro controller crystal frequency is 18 432 MHz 8051 based processors generate their serial port timing using a combination of external crystal and internal programmable divider chains This crystal frequency has been selected in order to ensure the following 1 the timing requirements of the controller s serial interface are met 2 the CPU runs at high speed in 6 clock mode Power to the board is sourced either from the 7 5V external regulated power supply or from USB power Zilogic Systems Page 4 ZKit 51 RD2 8051 Development Kit User Manual Rev 1 1 Figure 2 4 Micro controller Block Diagram HIGH PERFORMANCE UART TXD RXD SPICLK E dui MOSI MISO SS PO 0 7 CS TIMER 0 1 Da me i T2 P1 0 7 TIMER 2 ES P2 0 7 P3 0 7 WATCHDOG CRYSTAL 5 USB Serial The ZKit 51 RD2 has a FT232R USB to serial UART converter The FT232R has the following advanced features The FT232R i
8. r GPIO GPIO Push Button P89V51RD2 LEDS 8051 Micro controller INT GPIO Push Button LCD 12C Bus Serial Bus UART I2C USB 10 Pin Header USB tozserial Connector 2 Locating Components The location of the components on the board are indicated in the following diagrams Zilogic Systems Page 2 ZKit 51 RD2 8051 Development Kit User Manual Rev 1 1 Figure 2 2 Front View e roi cs ZKIT 51 RD2 ZILOGIC SYSTEMS INDIA ZK V51RD2 P1 R1A WFAA ARON ND O NSNHE PWM 10 Pin Header LCD LCD Contrast Control UART 12C 10 Pin Header Program Button Power Jack External Power Supply USB Connector Key Pad Interrupt Key 3 Power Supply The ZKit 51 RD2 can be powered through USB or an external 7 5V regulated power supply Figure 2 3 Power Supply Connection Diagram USB Connector Power to Board Selection Logic External Power Supply OE The external power supply if used should be a regulated power supply The regulated power supply should have the following charactersitcs Output Voltage 7 5V 12V Output Current gt 500mA Polarity Shown in diagram Zilogic Systems Page 3 ZKit 51 RD2 8051 Development Kit User Manual Rev 1 1 4 CPU The heart of the ZKit 51 RD2 is an NXP P89V51RD2 micro controller The P89V51RD2 is an 8 bit 80C51 5V low power micro controller with 64 kB Flash 1KB of data RAM and supports In System Programming ISP The main features of the micro c
9. raft space or life support equipment not in applications where failure or malfunction of a Zilogic Systems product can resonably be expected to result in personal injury death or severe property or environmental damage Zilogic Systems accepts no liability for inclusion and or use of Zilogic Systems development kits in such equipment or applications and therefore such inclusion and or use is at the customer s own risk Zilogic Systems Page 12
10. s fully compliant with the USB 2 0 specification Single chip USB to asynchronous serial data transfer interface Entire USB protocol handled on the chip Supports transmit and receive LED drive signals The ZKit 51 RD2 uses USB Serial UART for serial communication between PC and the P89V51RD2 MCU This is also used to download firmware by activating the bootloader of P89V51RD2 MCU This is called In System Programming ISP 5 1 In System Programming The ZKit 51 RD2 has a PROG push button which can be used to select between Programming mode and Serial Communication mode When the board is powered on it is in Serial Communication mode Press the PROG button to switch into Programming mode The current mode is indicated by the PROG LED The LED glows in Programming mode Zilogic Systems Page 5 ZKit 51 RD2 8051 Development Kit User Manual Rev 1 1 In Programming mode the RTS is connected to the RESET ofthe MCU Flash programming applications like Smash and Flash Magic can utilize this feature to switch the device into ISP mode automatically without user intervention The following diagram shows the FT232R connection details Figure 2 5 FT232R Connection Diagram P89V51RD2 6 LCD Display The ZKit 51 RD2 has a HD44780 Hitachi chipset compatible 16x2 character LCD The LCD data lines are connected to P2 4 to P2 7 and the control lines RS R W EN are connected to P2 1 P2 2 P2 3 respectively The following diagra
11. signals and can be used for event counting frequency measurement etc The Freq In signal is a CMOS TTL input GND Pin 10 This is the ground signal All other signals are referenced to this signal 2 SPI Pinmap The SPI header is terminated with serial peripheral interface SPI bus 4 general purpose IO and power supply Add on boards with SPI interface like MMC SD card EEPROM etc can be connected through this header 20 0 60 80 100 10 30 50 70 20 Table 3 2 spI Header Pin Header Signal MCU Signal 1 VCC VCC 2 SCK P1 7 SCK 3 ISO P1 6 MISO 4 OSI P1 5 MOSI 5 ss P1 4 SS 6 DIOO P3 6 WRn 7 DIO1 P3 7 RDn 8 DIO2 P1 3 CEXO 9 DIO3 P3 3 INT1 10 GND GND vcc Pin 1 This is the power supply for the external devices The supply has a total current limit of 200mA when powered through USB SCK Pin 2 This is Serial Clock signal The signal is a 5V logic signal but the output can drive a 5V device or 3 3V device with 5V tolerance Zilogic Systems Page 9 ZKit 51 RD2 8051 Development Kit User Manual Rev 1 1 MISO Pin 3 This is the Master Input Slave Output signal The signal is a 5V logic signal MOST Pin 4 This is the Master Output Slave Input signal The signal is a 5V logic signal but the output can drive a 5V device or 3 3V device with 5V tolerance ss Pin 5 This is the SPI chip select signal DIO Pin 6 7 8 9 These are digital input output signals The signal is a 5V logic signal bu
12. t the output can drive a 5V device or 3 3V device with 5V tolerance These lines can be used to interface any extra signals required for a SPI devices like SD Card etc or can be used as chip selects for four other devices GND Pin 10 This is the ground signal All other signals are referenced to the this signal 3 UART 12C Pinmap The UART 12C header is terminated with serial communication signals 1 C signals and power supply C and UART based add on boards can be connected through this header 20 40 60 850 100 10 30 50 70 20 Table 3 3 UART 12C Header Pin Header Signal MCU Signal 1 VCC VCC 2 RXD P3 0 RXD 3 TXD P3 1 TXD 4 SCL P3 4 SCL 5 SDA P3 5 SDA 6 DIOO P3 6 WR 7 DIO1 P3 7 RD 8 DIO2 P1 3 CEXO 9 DIO3 P3 2 INTO 10 GND GND vcc Pin 1 This is the power supply for the external devices The supply has a total current limit of 200mA when powered through USB RXD Pin 2 This is transmit line of serial IO This signal is a 5V CMOS TTL input TXD Pin 3 This is transmit line of serial IO This signal is a 5V CMOS TTL output SCL SDA Pin 4 5 These are 12C bus signals clock data and can be used to connect lC devices Any 5V tolerant I C device can be connected to the bus The signals are pulled up to 5V through a 4 7K resistor DIO Pin 6 7 8 9 These are digital input output signals The signal is a 5V logic signal but the output can drive a 5V device or 3 3V device with 5V tolerance These lin
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