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| 型号： | 80515-FPBM-TFP2 |
| 厂商： | Maxim Integrated |
| 文件页数： | 15/36页 |
| 文件大小： | 0K |
| 描述： | BOARD TFP2 FLASH PROGR 73S12XX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 系列： | Teridian™ |
| 类型： | 闪存 |
| 适用于相关产品： | Teridian Embedded Controllers |
| 所含物品： | 编程器，线缆，磁盘，电源 |
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Flash Programmer Model TFP2 User’s Manual
2.5 DEVICE STATUS CHECK
The contents of a device may be read-back to display its current security bit setting and checksum. Use
the “T” command to perform this read-back.
Figure 2-15: Device Checksum and Security Bit Status
If the security bit is set, the target’s FLASH memory cannot be read. Therefore, the Status results cannot
be displayed as shown below.
Figure 2-16: Device Checksum and Security Bit Status with Security Bit Set
2.6 CODE OR PARAMETER UPDATE
The TFP2 firmware typically performs a block erase prior to programming the device’s flash memory.
Additionally, the TFP2 programs the entire address space of the flash memory. The “D” command allows
for programming only a small portion of the target’s FLASH memory, i.e. – code patch or parameters.
Use the “D” command to download a code patch or a parameter table to the TFP2 EEPROM without
erasing and reprogramming the entire TFP2 EEPROM memory. The memory locations to be
reprogrammed are read from the downloaded Hex File. Follow the same instructions of Section 2.2
regarding selecting “Send Text File” menu option after typing the “D” command.
Use the “P” command or the PROGRAM button to program the target board’s FLASH memory with the
updated TFP2 EEPROM contents.
The TFP2 Power-Up checksum verification expects to read the original Teridian checksum. The Power-
Up checksum verification may fail due to the code change. A Power-Up Verify fail does not prevent
correct device memory programming (these messages are informational only). Use the “T” command to
verify the current device checksum.
2.7 PARAMETER PRESERVATION PROGRAMMING
The TFP2 firmware typically performs a block erase prior to programming the device’s flash memory.
Additionally, the TFP2 programs the entire address space of the flash memory. Optionally, the TFP2 can
reserve 4KB of flash memory for code or parameter tables.
Use the “E” command to toggle whether the 4KB is preserved or erased/over-written during the “P”
programming operation. The Parameter Mode status change is displayed as shown below.
Revision 2.3
15 of 36
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