Renesas M30870T-EPB - page 81

M30870T-EPB User’s Manual 4. Hardware Specifications

REJ10J0482-0300 Rev.3.00 February 16, 2006

IMPORTANT

Notes on Reset Vector Area:

 For a reset vector area, memory of the emulator is always selected regardless of the setting of the EMEM dialog

box. Therefore when setting a microprocessor mode, to use a ROM of the user system etc. as an area including

a reset vector area, set a reset vector using a dump window etc.

 A reset vector area can be changed only when a program is stopped.

Notes on Stack Area:

 With this product, a maximum 20 bytes of the user stack is consumed as a work area. Therefore, ensure the +20

byte maximum capacity used by the user program as the user stack area. If the user stack does not have enough

area, do not use areas which cannot be used as stack (SFR area, RAM area which stores data, or ROM area) as

work area. Using areas like this is a cause of user program crashes and destabilized emulator control.

 With this product, the interrupt stack pointer (ISP) is set to 00500h and used as stack area after the reset is

released.

Notes on Maskable Interrupts:

 Even if a user program is not being executed (including when run-time debugging is being performed), the

evaluation MCU keeps running so as to control the emulator, so the function such as timer is operated. Take

note that when the user program is not being executed (including when run-time debugging is being

performed), a peripheral I/O interruption is not accepted.

Notes on Access Prohibited Area:

 The emulator control register (000020h--00003Fh) in the SFR is read- and write-protected. When this register is

accessed, emulator control cannot be utilized.

 With this product, address FFFFFFh cannot be read or written in correctly.

Note on DMA Transfer:

 With this product, the user program is stopped with a loop program to a specific address. Therefore, if a DMA

request is generated by a timer or other source while the user program is stopped, DMA transfer is executed.

However, make note of the fact that DMA transfer while the program is stopped may not be performed

correctly. Also note that the below registers have been changed to generate DMA transfer as explained here

even when the user program is stopped.

(1) DMA0 transfer count register DCT0

(2) DMA1 transfer count register DCT1

(3) DMA0 memory address register DMA0

(4) DMA1 memory address register DMA1

(5) DMA2 transfer count register DCT2 (R0)

(6) DMA3 transfer count register DCT3 (R1)

(7) DMA2 memory address register DMA2 (A0)

(8) DMA3 memory address register DMA3 (A1)

Page 81 of 104

Contents

Main M30870T-EPB User's Manual Page Preface Important Page Precautions for Safety CAUTION Definitions of Signal Words IMPORTANT WARNING Page Contents Page User Registration Terminology 1. Outline 1.1 Package Components 1.2 Other Tool Products Required for Development 1.3 System Configuration Page Page 1.4 Specifications 1.5 Operating Environment 2. Setup 2.1 Flowchart of Starting Up the Emulator 2.2 Installing the Emulator Debugger 2.3 Connecting the Host Machine 2.4 Connecting the PC7501 2.5 Connecting the Power Supply for the Emulator 2.6 Turning ON the Power TARGET SYSTEM 2.7 Downloading Firmware 2.8 Self-check Page 2.9 Connecting the User System Page Page Page Page Page * * * M30870T-EPB Users Manual 2. Setup REJ10J0482-0300 Rev.3.00 February 16, 2006 Page 38 of 104 2.10 Setting Switches RENESAS M30870T-EPBM REV.C RENESAS M30870T-EPBM REV.B Page Page Page Page Page Page Page Page Page C1, C3: Vref-Avss bypass capacitor C2, C4: AVcc-Avss bypass capacitor C1 C2 AVss V REF AV C4 C3 AVss C1, C3: Vref-Avss bypass capacitor C2, C4: AVcc-Avss bypass capacitor C1 C2 AVss V REF AV AVccAVss C4 3. Usage (Emulator Debugger) 3.1 Starting Up the Emulator Debugger (Init Dialog Box) Page Page Page Page Page Page 3.2 Starting Up the Emulator Debugger (EMEM Dialog Box) Page Page Page Page 3.3 Program Window Page M30870T-EPB Users Manual 3. Usage (Emulator Debugger) REJ10J0482-0300 Rev.3.00 February 16, 2006 (3) Setting breakpoints 1. Screen after breakpoint setup Breakpoint setup screen Page 64 of 104 Page 3.4 Hardware Breakpoint Setting Window Page Page Page Page 3.5 Trace Window M30870T-EPB Users Manual 3. Usage (Emulator Debugger) REJ10J0482-0300 Rev.3.00 February 16, 2006 Explanation of the trace window (bus display) 2. Trace window (bus display) Page 72 of 104 Bus display The following explains the displayed contents, from left to Disassemble display Symbol Status Source display Page Page Page 3.6 RAM Monitor Window Page Page 4. Hardware Specifications 4.1 Target MCU Specifications 4.2 Differences between the Actual MCU and Emulator Page Page M30870T-EPB Users Manual 4. Hardware Specifications REJ10J0482-0300 Rev.3.00 February 16, 2006 Page 83 of 104 *: Connected to the inside of the emulator 4.3 Connection Diagrams User system Figure 4.1 Connection diagram (when using M30870T-EPBM REV.B) (1/3) IC1 IC15 Figure 4.2 Connection diagram (when using M30870T-EPBM REV.C) (2/3) IC1 IC15 Unit 2.0 - 160 - RON ON resistor 4.5 - 70 100 RON ON resistor difference 4.5 - 10 - IIN Switch input leak current 12.0 - - 100 nA 4.4 External Dimensions Page Page 4.5 Notes on Using This Product Page Page Page Page Page 5. Troubleshooting 5.1 Flowchart to Remedy the Troubles 5.2 When the Emulator Debugger Does Not Start Up Properly Page Page 5.3 How to Request for Support 6. Maintenance and Guarantee 6.1 User Registration 6.2 Maintenance 6.3 Guarantee 6.4 Repair Provisions 6.5 How to Make Request for Repair