为什么我用jlink不能烧写norflash呢？请教亚瑟王

为什么我用jlink不能烧写norflash呢？




Connecting ...
- Connecting via USB to J-Link device 0
- J-Link firmware: V1.20 (J-Link ARM V8 compiled Dec  1 2009 11:42:48)
- JTAG speed: 8000 kHz (Auto)
- Initializing CPU core (Init sequence) ...
    - Initialized successfully
- JTAG speed: 8000 kHz (Auto)
- J-Link found 1 JTAG device. Core ID: 0x0032409D (ARM9)
- Reading CFI info ...
    - CFI info read successfully
- Connected successfully
Programming target (219120 bytes, 1 range) ...
- RAM tested O.K.
- Soft unlocking chip ...
    - Unlock operation completed successfully
- Erasing chip ...
    - Erasing sector 0
    - Erase operation completed successfully
- ERROR: Programming failed @ address 0x00000012 (item verification error)
- ERROR: Failed to program target
Disconnecting ...
- Disconnected