ICE5840 User's Guide
Contents
1. KELAN ELAN MICROELECTRONICS CORP ICE5840 User s Guide For EM785840 EM785841 EM785842 EM78P5840 EM78P5841 EM78P5842 Version 2 1 2007 1 30 ELAN MICROELECTRONICS CORP No 12 Innovation 1 RD Science Based Industrial Park Hsin Chu City Taiwan TEL 03 5639977 FAX 03 5780118 amp ELAN Communication line Development Reference ELAN In Circuit Emulator Introduction ICE5840 is intended to provide the product development engineer a powerful microcontroller design tool 2 Components description Table 1 Symbol Function Description Ul EM78R5840 EM78R5840 Romless IC U2 27C256 8 bit data width DIP package memory EPROM It mimicked to 4K word 8K bytes embedded Program ROM Y1 Oscillator 32 768KHz crystal S1 Reset button Reser from Reset pin KI Option switch Refer to Table 3 4 5 JP1 ICE interface Connect to GIC board JP2 ICE interface Connect to GIC board JP3 Function pin Connect to user application board refer to Table6 JP6 Program ROM Connect to VDD GIC mode emulate with PC Don t connect U2 select Connect to GND External Rom mode U2 as program Rom JP8 Program HOLD Open developing program on ICE Short Run on Piggyback JP9 P71 Reset P71 Reset as reset pin or general reset JP11 P70 PLLC ERCI P70 PLLC as PLLC connect capacitance to GND P7O PLLC as ERCI connect resistance to VDD Open P70 PLLC as I O port JP12 XIN2. P61 Short Xin P61 as Oscillator pin Open Xin P61 as I O port JP13 XOUT P60 Short XOUT P60 as Oscillator pin Open XOUT P60 as I O port R14 Resistance Resistance for ERC D1 LED Indicates Power 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 s ELAN Communication line Development Reference Power on the E8 ICE before executing the control software or an error message due to lack of hardware will appear E8 ICE uses the printer cable to communicate with host PC If a user wants to use the Printer it is recommended to install another printer port Printer port and the adapter locate on the right side The ICE connects to personal computer by printer port The adapter connects to the power Be sure turn power off of ICE before plug in the adapter for avoiding over current which may be burn the chip off Power on switch located on the same side as printer port By switching to turn off or turn on the ICE power On the top sight we have some connections and one EM78R5840 Romless chip and some switches The JP1 and the JP2 connect to the second layer of ICE for the code instruction accessing The JP3 is more important for ICE user They are the EM78R5840 control signals and I O ports ICE user can connect these connections to user s application board The connections are list in Tablel The U1 is EM78R5840 Romless chip The U2 is a 4K words ROM for on board testing by piggyback If user has developed applica
3. cillating frequency adjustor Table 5 AIR3 AIRO Frequency 0000 1 05 F 0001 1 10 F 0010 1 15 F 0011 1 20 F 0100 1 25 F 0101 1 30 F 0110 1 35 F 0111 1 40 F 1000 0 65 F 1001 0 70 F 1010 0 75 F 1011 0 80 F 1100 0 85 F 1101 0 90 F 1110 0 95 F 1111 1 0 F F means the frequency of IRC output o3 14 2 amp ELAN Communication line Development Reference 3 5 P71 Reset pin P71S K1 5 PORT71 function select bit K1 5 ON gt RESET pin selected K1 5 OFF gt General purpose INPUT port PORT71 selected K1 5 JP9 Port71 as I O OFF Leftward Port71 as Reset ON Rightward 4 T O connection jpin Name pin Name pin Name pin name Joel Name pin Name 1 VDD 11 Po4 21 P76 31 P90 41 NC si NC da 6 vec 16 P71 26 NC 36 P95 46 7 Poo 17 NC 27 NC 37 P96 a NC 8 Pol I8 P73 28 NC 38 P97 48 PCL poo 19 pra 9 NC 399 nc 49 P63 P75 30 NC 50 NC
4. tion code by this ICE User can use PIGGYBACK user can buy from ELAN to connect to user s application board with 4K word EPROM 27c128 27C512 To verify user s program The D1 is a LED that indicates power is on or off Run WICE software to enter ICE environment User can use file MIX which generate by WICE for masking EPROM The mix file is a binary file and addressing from zero 2 10 For different voltage system user can select 5 0V or 3 6V The bottom layer of ICE called GIC layer JP1 selction Open 3 6V Short 5 0V amp ELAN Communication line Development Reference 3 Setting 3 1 ICE and Piggyback Table 2 U2 JP1 JP2 JP4 JP5 JP6 JP7 JP8 ICE No Connect to VDD upward VDD upward Open Open GIC board Piggyback EPROM No VDD upward GND downward Open Short 3 2 KI define Table 3 1 2 3 4 5 6 7 8 9 10 AIR3 JAIR2 AIRI AIRO P71S P70S OSCMIJOSCM0 IRC2S TEST 3 3 Crystal ERC IRC mode Table 4 Mode KI mu JP12 JP13 6 7 8 10 P60 P61 Crystal P70 used ON Open B PLL used OFF Wer ODE BE Leftward Port nort ERC mode NA ON OFF OFF Rightward Open Open IRC mode NA ON ON OFF Open Open Open 3 4 IRC frequency 3 4 1 IRC2S Internal RC oscillating frequency for system CLK select Connect to GND oa 2M Hz Connect to VDD gt 4M Hz 3 4 2 AIRO AIR3 Os
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