8051 ISP by COM Port
Nuvoton
User Manual
Revision 5.02, 2010/11/15
©2010 Nuvoton Technology Corporation. All Rights Reserved.
< Revision 5.02 > 1
Page 1: ...8051 ISP by COM Port Nuvoton 8051 ISP by COM Port User Manual Revision 5 02 2010 11 15 2010 Nuvoton Technology Corporation All Rights Reserved Revision 5 02 1...
Page 2: ...System 6 2 3 Requirement on the MCU s Operating Frequency 7 3 Software 8 3 1 Install the Application Program 8 3 2 Introduction to the Application Program 8 3 3 Auto Synchronization of APROM DataFlas...
Page 3: ...4 00 Update the PC site AP version to v4 00 2010 04 01 v4 01 1 Fix a minor bug in Nuvoton standard ISP code for W925EP01 N78E366A N78E055A N78E059A and N78E517A The version is updated to v3 12 2 Add a...
Page 4: ...the CONFIG needs to be properly configured The following table shows the specific I O pins and the proper CONFIG setting used for booting from LDROM after reset In addition to directly connect to PC...
Page 5: ...C RXD COM Port VCC U2 MAX232 1 3 4 5 11 10 12 9 2 6 14 7 13 8 15 16 C1 C1 C2 C2 T1_IN T2_IN R1_OUT R2_OUT V V T1_OUT T2_OUT R1_IN R2_IN GND VCC RTS Note 1 The I O pins used for booting from LDROM may...
Page 6: ..._IN R1_OUT R2_OUT V V T1_OUT T2_OUT R1_IN R2_IN GND VCC C6 1u 16V DSR C4 1u 16V CTS without RS232 Transceiver R1 47K RXD GND R2 10K UART Interface Pulledlow PC RST R3 4 7K GND To boot from LDROM See N...
Page 7: ...MCU will automatically build a proper baudrate according to its operating frequency It is recommended that the user uses the following specific frequencies 11 0592MHz 18 432MHz 22 1184MHz or 36 864MH...
Page 8: ...find the item Nuvoton Tools ISP ICP Utility v appearing in the Windows START menu after the application program is successfully installed Note ISP ICP means this application program is used for both...
Page 9: ...when the function button Update Chip is clicked as shown below So the user needn t manually reload the files for APROM buffer and DataFlash buffer when the physical files are updated externally Physi...
Page 10: ...t system to PC s COM port through an RS232 cable Step 2 Run the PC site AP select wanted part no select correct COM port to which the target system is connected and load the code data file into APROM...
Page 11: ...hould adopt the Without Reset Control configuration for ISP operation External RC Reset Circuit The general external RC reset circuit is shown in Figure 4a The resistance of R should be larger than 47...
