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CHAPTER 4 DIFFERENCES BETWEEN TARGET DEVICES AND TARGET INTERFACE CIRCUITS

User’s Manual U16556EJ1V0UM

Figure 4-3. Equivalent Circuit 3 of Emulation Circuit

10 M

Ω

470 k

Ω

VHC244

XT1, XT2, IC/V

Open

4.7 k

Ω

IC socket

USCLK

HCU04

22 pF

32.768 kHz

IE system side

Probe side

(3) Other signals

•

When the emulation CPU is operating at 5 V, its power is supplied from the internal IE system, but when

operating at low voltage, its power is supplied from the low-voltage pin (TP1). The V

pin of the target system

is only used to control the LED (USERV

) in the IE system that monitors the input of the target system’s power

supply.

•

The V

pin is connected to GND inside the IE system.

Содержание IE-784937-NS-EM1

Страница 1: ...User s Manual Target devices PD784938A Subseries IE 784937 NS EM1 Emulation Board Document No U16556EJ1V0UM00 1st edition Date Published May 2003 N CP K Printed in Japan 2003...

Страница 2: ...User s Manual U16556EJ1V0UM 2 MEMO...

Страница 3: ...of NEC Electronics products customers agree and acknowledge that the possibility of defects thereof cannot be eliminated entirely To minimize risks of damage to property or injury including death to...

Страница 4: ...ch Seoul Korea Tel 02 558 3737 NEC Electronics Shanghai Ltd Shanghai P R China Tel 021 6841 1138 NEC Electronics Taiwan Ltd Taipei Taiwan Tel 02 2719 2377 NEC Electronics Singapore Pte Ltd Novena Squa...

Страница 5: ...expected to be thoroughly familiar with the target device s functions and use methods and to be knowledgeable about debugging Organization When using the IE 784937 NS EM1 refer to not only this manua...

Страница 6: ...mbination of the IE 78K4 NS and the IE 784937 NS EM1 Conventions Data significance Higher digits on the left and lower digits on the right Note Footnote for item marked with Note in the text Caution I...

Страница 7: ...3 Timer clock settings 26 3 4 Pin Mask Function Settings 29 3 4 1 NMI interrupt mask setting 29 3 4 2 Wait WAIT hold HOLD mask function 29 3 4 3 Wait display function setting 29 3 4 4 Hold display fu...

Страница 8: ...or User Mounted Clock 23 3 7 Crystal Oscillator When Using Main System Clock or User Mounted Clock 24 3 8 Pin Alignment of Crystal Oscillator and Socket 25 3 9 Connections on Parts Board When Using T...

Страница 9: ...ngs 26 3 3 DIP Switch Setting for NMI Interrupt Mask 29 3 4 DIP Switch Setting for Wait WAIT Hold HOLD Mask Function 29 3 5 DIP Switch Setting for Wait Display Function 29 3 6 DIP Switch Setting for H...

Страница 10: ...or efficient debugging of hardware or software when using one of the following target devices that belong to the 78K IV Series of 16 bit single chip microcontrollers This chapter describes the IE 7849...

Страница 11: ...evice fileNote 1 sold separately Control software Host machine PC 9800 Series or IBM PC AT or compatibles Interface board IE 70000 98 IF C sold separately Interface board IE 70000 PC IF C sold separat...

Страница 12: ...3 The conversion adapter TGF 100RBP is a product of TOKYO ELETECH CORPORATION For further information contact Daimaru Kogyo Co Ltd Tokyo Electronics Department TEL 81 3 3820 7112 Osaka Electronics De...

Страница 13: ...are configuration Figure 1 2 Basic Hardware Configuration IE 78K4 NS sold separately IE 784937 NS EM1 Emulation probe sold separately Dedicated bus interface IE system Host machine Interface board sol...

Страница 14: ...ubseries System clock 12 58 MHz Main system clock supply External Input via an emulation probe from the target system Internal Mounted on emulation board 12 58 MHz or mounted on the board by the user...

Страница 15: ...IE 784937 NS EM1 main unit The packing box contains the emulation board IE 784937 NS EM1 4937 PROBE Board GC and 4937 PROBE Board GF If there are any missing or damaged items please contact an NEC sa...

Страница 16: ...ain Unit Figure 2 1 IE 784937 NS EM1 Part Names GND LowVolt Probe connector ACN1 100GF EXTOUT EXTIN USER VDD LED TP3 JP3 USCLK SW1 UMCLK TP1 External sense Probe connector ACN2 for expansion Connector...

Страница 17: ...ROBE Board GF b 4937 PROBE Board GC RCN3 ACN1 RCN3 ACN2 Caution The 4937 PROBE Board GF is used when the IE 784937 NS EM1 and IE 78K4 R EX3 are combined to connect to the IE 784000 R The 4937 PROBE Bo...

Страница 18: ...937 NS EM1 to the IE 78K4 NS emulation probe etc Mode setting methods are also described Caution Connecting or removing components to or from the target system or making switch or other setting change...

Страница 19: ...on this board Cautions 1 Incorrect connection may damage the IE system Be sure to read the emulation probe s user s manual for a detailed description of the connection method 2 Do not use ACN2 which...

Страница 20: ...ck that is already mounted on emulation board or 2 Clock that is mounted by user For an internal clock the target device is connected to a resonator and the target device s internal oscillator is used...

Страница 21: ...7 NS EM1 s oscillator encircled in the figure is used 2 Clock that is mounted by user The user is able to mount any clock supported by the set specifications on the IE 784937 NS EM1 First mount the re...

Страница 22: ...sing external clock Other than 12 580 MHz Oscillator not used External Caution When using an external clock open the configuration dialog box when starting the integrated debugger ID78K4 NS and select...

Страница 23: ...ic resonator or crystal resonator Capacitor CB Resistor Rx Solder kit Steps 1 Solder the target ceramic resonator or crystal resonator resistor Rx capacitor CA and capacitor CB all with a suitable osc...

Страница 24: ...the IE 784937 NS EM1 to the IE 78K4 NS The above steps configure the circuit and enable supply of the clock from the mounted resonator to the emulation device b When using a crystal oscillator Items...

Страница 25: ...onfigure the circuit and enable supply of the clock from the mounted resonator to the emulation device 3 When using external clock No hardware settings are required for this situation When starting th...

Страница 26: ...68 kHz crystal resonator is already mounted on the IE 784937 NS EM1 Pins 6 and 8 on the parts board USCLK are shorted There is no need to make any other settings via the integrated debugger ID78K4 NS...

Страница 27: ...oard 2 Prepare the IE 784937 NS EM1 3 Remove the parts board that is mounted in the IE 784937 NS EM1 s socket the socket marked as USCLK 4 Connect the parts board from 1 above to the socket USCLK from...

Страница 28: ...ocket marked as USCLK 3 Connect the crystal oscillator from 2 above to the socket USCLK from which the parts board was removed Insert the crystal oscillator pin into the socket aligning the pins as sh...

Страница 29: ...n the IE 784937 NS EM1 it is possible to mask the wait WAIT and hold HOLD alternate functions of the P66 pin in the PD784938A Subseries Table 3 4 DIP Switch Setting for Wait WAIT Hold HOLD Mask Functi...

Страница 30: ...initial setting OFF Hold HOLD status displayed ON Caution When using the P66 pin as a port set the DIP switch to OFF Otherwise the LED may be lit 3 5 Low Voltage Emulation Setting Low voltage emulati...

Страница 31: ...EM1 s check pin EXTOUT pin and EXTIN pin as shown below For pin characteristics refer to the IE 78K4 NS User s Manual U13356E For usage details refer to the ID78K Series Ver 2 30 or Later Windows Bas...

Страница 32: ...m the target system via a gate 3 Other signals The IE system s circuit is used as follows for signals listed in 1 to 3 above 1 Signals directly input output to from the emulation CPU The following sig...

Страница 33: ...it 1 of Emulation Circuit Prove side P30 to P37 1 M 1 M 22 P00 to P07 22 1 M P10 to P17 22 P20 22 P21 to P27 22 P40 to P47 1 M 1 M 22 P50 to P57 22 P66 1 M 22 P70 to P77 P60 to P65 P67 AVREF1 AVSS PWM...

Страница 34: ...different from PD784938A Subseries making it necessary to observe a stricter timing design than in the case of PD784938A Subseries RESET signal Signals related to clock input Figure 4 2 Equivalent Cir...

Страница 35: ...32 768 kHz IE system side Probe side 3 Other signals VDD pin When the emulation CPU is operating at 5 V its power is supplied from the internal IE system but when operating at low voltage its power i...

Страница 36: ...llowing restrictions The specification of the STOP mode of the watch timer function is different from that of the target device When the count clock is selected as the main clock the timer stops in th...

Страница 37: ...T HOLD and NMI Table 6 1 SW1 Setting When Using IE 784000 R DIP Switch SW1 1 2 3 4 5 6 7 Setting ON OFF OFF ON OFF OFF Note Note SW1 7 is for setting the internal clock Table 6 2 SW1 7 Setting When Us...

Страница 38: ...29 10 74 43 24 11 69 44 23 12 70 45 20 13 63 46 19 14 64 47 16 15 61 48 15 16 62 49 10 17 65 50 9 18 66 51 6 19 71 52 5 20 72 53 33 21 75 54 34 22 76 55 37 23 79 56 38 24 80 57 43 25 85 58 44 26 86 59...

Страница 39: ...13 68 56 85 18 69 49 86 17 70 50 87 22 71 45 88 21 72 46 89 28 73 41 90 27 74 42 91 92 75 35 92 91 76 36 93 98 77 31 94 97 78 32 95 102 79 4 96 101 80 3 97 106 81 8 98 105 82 7 99 112 83 14 100 111 R...

Страница 40: ...ng programmable debugging using the in circuit emulator wait control must be performed by setting programmable wait control register 1 PWC1 and programmable wait control register 2 PWC2 If an external...

Страница 41: ...6 PW30 5 PW21 4 PW20 3 PW11 2 PW10 1 PW01 0 PW00 Address 0FFC7H After reset AAH R W 2 Program wait control register 2 PWC2 of in circuit emulator Wait Target Address No address wait insertion 1 wait...

Страница 42: ...nsei Machida Mfg Co Ltd and TGF 100RBP is a product of TOKYO ELETECH CORPORATION Table C 1 Distance Between IE System and Conversion Adapter Emulation Probe Conversion Adapter Distance Between IE Syst...

Страница 43: ...n probe NP 100GF TQ 40 mm 34 mm Target system 27 5 mm Pin 1 11 mm Emulation board IE 784937 NS EM1 21 mm Conversion adapter TGF 100RBP Figure C 3 Connection Conditions of Target System When NP H100GF...

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