[SOLVED] error in programming at91sam7

[stackprogramer]

when i want to program a at91sam7s64,it can connect to micro but when i erase it returns errors:

Connecting ...
- Connecting via USB to J-Link device 0
- Target interface speed: 10 kHz (Fixed)
- VTarget = 2.115V
- Initializing CPU core (Init sequence) ...
- Initialized successfully
- Target interface speed: 10 kHz (Fixed)
- CPU clock frequency: 30 kHz (Auto detected)
- J-Link found 1 JTAG device. Core ID: 0x3F0F0F0F (None)
- Connected successfully
Erasing chip ...
- 513 sectors, 1 range, 0x0 - 0x10FFFF
- Start of preparing flash programming
- ERROR: Failed to measure CPU clock frequency on first run at addr 0x00200000.
R0 = 0x000008D1, PC = 0xFFECA162, CPSR = 0x000000DF
- ERROR: Data abort occurred while checking target RAM.

---------------------------------------------------------------------- Registers -------------------------------------------------------------------------------------
PC = 00000010
CPSR = 600000D7 (ABORT mode, ARM, FIQ dis., IRQ dis.)

Current: R0 = E7FEE7FD, R1 = 002003C8, R2 = 00003C00, R3 = 00000704
R4 = 00200000, R5 = E7FEE7FD, R6 = 0000003E, R7 = 00000000
USR: R8 = 00000000, R9 = 00000000, R10 = 00000000, R11 = 00000000, R12 = 00000000
R13 = 002003A4, R14 = 00200165
FIQ: R8 = 00000000, R9 = 00000000, R10 = 00000000, R11 = 00000000, R12 = 00000000
R13 = 00000000, R14 = 00000000, SPSR = 00000010
SVC: R13 = 00000000, R14 = 00000000, SPSR = 00000010
ABT: R13 = 00000000, R14 = 002000CA, SPSR = 600000FF
IRQ: R13 = 00000000, R14 = 00000000, SPSR = 00000010
UND: R13 = 00000000, R14 = 00000000, SPSR = 00000010
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------

- ERROR: Failed to prepare for programming.
Failed to execute RAMCode for RAM check!
- End of preparing flash programming
- ERROR: Failed to erase chip
Disconnecting ...
- Disconnected

how can solve it?

 

[stackprogramer]

finally i solved it after months ,i should use jlink v 6.00
i before used newest version jlink.
now every thing is ok. thank you
see video on youtube
https://www.youtube.com/watch?v=RB_xBJVZtj4

best regards stackprogramer