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E2, IE850A

6. Internal Circuit of the E2 Emulator

R20UT4140EJ0300 Rev.3.00

Page 37 of 41

Oct.09.20

6.Internal Circuit of the E2 Emulator

The internal interface circuit related to the communications interface between the E2 emulator and user

system is shown in Figure 6-1. Please refer to the figure when determining parameters in board design.

Figure 6-1 Interface Circuits in the E2 Emulator (4-Pin LPD, 2-Wire UART, CSI)

Emulator

control

circuit

74LVC1T45

74LVC8T245

74LVC1T45

74LVC8T245

74LVC1T45

NFL21SP

Noise filter

47Ω

1MΩ x6

3.3V

47Ω

NFL21SP

Noise filter

47Ω

3.3V

100

ｋ

Self-recovering

fuse

8 TVDD

1 LPDCLK

5 LPDO

3 TRST

－

11 LPDCLKO

4 FPMD0

7 LPDI/FPDR

10 EVTO

14 GND

13 RESET

2,12 GND

－

74LVC8T245

47Ω

1MΩ

14-pin connector

47Ω

NFL21SP

Noise filter

100kΩ

0.1μF

74LVC1T45

20-pin connector

3,5,15,

17,19

SW is on 1 side

3MΩ x2

Power-supply circuit

(only in the mode to

supply power)

Summary of Contents for IE850A

Page 1: ...on contained in these materials including products and product specifications represents information on the product at the time of publication and is subject to change by Renesas Electronics Corp with...

Page 2: ...nics with respect to maximum ratings operating power supply voltage range heat dissipation characteristics installation etc Renesas Electronics disclaims any and all liability for any malfunctions fai...

Page 3: ...nal trigger input and output 16 3 Procedure for Connecting the Emulator to the User System 17 3 1 When a separate power supply is used for the user system 17 3 2 When power is supplied to the user sys...

Page 4: ...measurement solution are also available in addition to the basic debugging facilities The IE850A supports the external tracing Aurora tracing interface of MCUs of the RH850 family and has a large cap...

Page 5: ...not available Can be connected 2 1 1 14 pin connector Table 2 2 shows the recommended connectors for connection of the E2 emulator When other components are mounted around the connector do not mount...

Page 6: ...e target device is an RL78 microcontroller CAUTION Note on connector insertion and removal 1 When connecting or disconnecting the user system interface cable and the connector conversion adapter grasp...

Page 7: ...e 2 4 Recommended 34 pin Connector for External Tracing Manufacturer Type Number 34 pin connector SAMTEC ASP 137973 01 When designing a user system on which a 34 pin connector is to be mounted refer t...

Page 8: ...o GND of the user system These pins are used for electrical GND and to monitor connection with the user system by the E2 emulator 2 The EVTO pin provides for the output of event signals from the devic...

Page 9: ...Software It is simply referred to as MULTI in the remainder of this document This section describes examples of recommended connections between the 14 pin connector for the E2 emulator and the target...

Page 10: ...y vary among target devices Refer to the user s manual for the target device you are using for the actual pin names Proceed with appropriate processing for pins of target devices which do not require...

Page 11: ...ignal lines Use GND to apply a guard ring for the wiring which runs between the 14 pin connector and target device Do not route high speed signal lines parallel to each other or allow them to cross ea...

Page 12: ...l lines Use GND to apply a guard ring for the wiring which runs between the 14 pin connector and target device Do not route high speed signal lines parallel to each other or allow them to cross each o...

Page 13: ...or and possible other components Use the power source for the power domain of the RESET pin of the target device as the destination voltage for pulling up Pin 13 RESET of the E2 emulator is pulled up...

Page 14: ...use this function if power is being separately supplied to the user system Attempting to do so might break the E2 emulator Do not use this function for a user system which draws a current of 200 mA o...

Page 15: ...nment where there is a difference in potential between the GND of the user system and that of the host PC use the isolator R0E000010ACB20 which is separately available from Renesas 2 3 8 Small connect...

Page 16: ...n 13 on the E2 emulator to the GND on the user system via one of the test leads which are provided with the E2 emulator Then according to the pin assignments shown in Figure 2 8 connect the expansion...

Page 17: ...machine and turn on the emulator Connect the emulator and the host machine with a USB interface cable The emulator is turned on by connecting the USB interface cable 4 Turn on the user system Turn on...

Page 18: ...user system is turned off 2 Connect the user system Connect the emulator and user system with a user system interface cable 3 Connect the host machine and turn on the emulator Connect the emulator and...

Page 19: ...d state after a reset Break Software break In ROM and RAM areas combined 2000 points Hardware break 12 points including those used for both execution and CPU access conditions 8 points only for execut...

Page 20: ...ll stop full break overwriting ring buffer delay stop and delay break Perfor mance mea sure ment Time 1 Measurement section From run to break Item measured Execution time Performance 32 bit counters T...

Page 21: ...thin user programs Debugging startup register DBGIFR0 Initial value 0000 0000H Address FF0B 00E0H Download function Available Security ID authentication Available Debugging when ICUM is enabled Availa...

Page 22: ...ace full stop mode Trace full break mode External trigger input output Input signal channels E2 expansion interface 2 ch 0 pin 11 ch 1 pin 12 Output signal channels E2 expansion interface 2 ch 0 pin 9...

Page 23: ...e of this function as a new way of debugging The E2 emulator provides trace data for display and supports LPD output We also provide several types of helpful solution functions for the E2 For details...

Page 24: ...s for execution and 2 points for data access ARU ATOM TIM and TBU 2 points for data access Available function Break trace Combination of events Tracing when you are using a device that includes trace...

Page 25: ...sed for debugging in mass production This is because writing to the flash memory of such devices has already proceeded during debugging so we cannot guarantee the number of times rewriting of the flas...

Page 26: ...s shown below ID of the Target Device Notation for CS Notation for MULTI OCD ID OCD ID id Customer ID Customer ID csid Data Flash ID Data Flash ID dfid Serial Programmer ID Serial Programmer ID spid C...

Page 27: ...tialization of the RAM are not detected with the emulator connected To emulate ECC errors make the setting not to initialize the RAM area when the emulator is connected However if the setting is for n...

Page 28: ...Reading registers with undefined initial values and an ECM error Reading a register with undefined initial values such as the EIPC and general purpose registers when they have not been initialized lea...

Page 29: ...l and subsequent downloading to the protected areas is suspended We recommend that files to be downloaded are divided into those for the areas protected by IDs and for other areas 5 4 4 Downloading to...

Page 30: ...ion of MDP exceptions may not be traced 5 4 10 Losing trace information In some cases acquired trace information will be lost trace overflow This depends on the program being executed The lost informa...

Page 31: ...debugger refer to the manual for the debugger you are using Table 5 1 State of a Device and Masking of Resets State of a device In breaks In single stepping In user program execution In C source level...

Page 32: ...masked Interrupt masking disabled operation according to the specification of the user system Depends on the debugger An interrupt generated in the state marked in Table 5 2 is kept pending and inter...

Page 33: ...a break has occurred during clock settings set Change the clock to flash writing in the Property panel to No a Any operation that involves programming of the flash memory e g re downloading b Setting...

Page 34: ...Debugging Instruction Interval between Execution of the Embedded Instruction 4 pin LPD 33 MHz DBCP 1 727 usec DBTAG imm10 0 576 usec without the PC value DBPUSH rh rt 1 727 usec One register is output...

Page 35: ...on of RAM areas 5 4 27 Cautionary point regarding execution of the user program immediately after hot plug in connection During execution of the user program until a break occurs due to a forced break...

Page 36: ...er be added to nor deleted from the code flash memory Accordingly actually adding or deleting them on the target device is not possible Only add or delete software breakpoints in the code flash memory...

Page 37: ...e E2 Emulator 4 Pin LPD 2 Wire UART CSI Emulator control circuit 74LVC1T45 74LVC1T45 74LVC1T45 74LVC1T45 74LVC8T245 74LVC1T45 74LVC1T45 74LVC8T245 74LVC1T45 NFL21SP Noise filter 47 1M x6 3 3V 47 47 47...

Page 38: ...on the IE850A were added 3 00 Oct 09 20 10 Descriptions on FPMD0 and FPMD1 were added 21 A note was added to table 4 1 22 A note was added to table 4 2 24 Section 4 3 GTM debugging function was added...

Page 39: ...tor IE850A Additional Document for User s Manual Notes on Connection of RH850 E2x Series Publication Date Rev 1 00 Jul 01 18 Rev 2 00 Feb 22 19 Rev 3 00 Oct 09 20 Published by Renesas Electronics Corp...

Page 40: ...Ltd Unit 301 Tower A Central Towers 555 Langao Road Putuo District Shanghai 200333 China Tel 86 21 2226 0888 Fax 86 21 2226 0999 Renesas Electronics Hong Kong Limited Unit 1601 1611 16 F Tower 2 Grand...

Page 41: ...R20UT4140EJ0300 E2 Emulator IE850A Additional Document for User s Manual Notes on Connection of RH850 E2x Series...

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