I can connect, read memory sections, write to memory sections read and write register etc
However when I attempt an erase I get a `Failed to execute RAMCode for chip erase!` error
$ jlink -device CYT2B75BAS_M4 -speed 1000 -if JTAG -autoconnect 1
SEGGER J-Link Commander V6.48b (Compiled Aug 2 2019 10:19:19)
DLL version V6.48b, compiled Aug 2 2019 10:18:25
Connecting to J-Link via USB...O.K.
Firmware: Silicon Labs J-Link Pro OB compiled May 16 2019 11:50:55
Hardware version: V4.00
S/N: 440092275
License(s): RDI
IP-Addr: DHCP (no addr. received yet)
VTref=3.331V
Device position in JTAG chain (IRPre,DRPre) <Default>: -1,-1 => Auto-detect
JTAGConf>
Device "CYT2B75BAS_M4" selected.
Connecting to target via JTAG
ConfigTargetSettings() start
J-Link script: ConfigTargetSettings()
ConfigTargetSettings() end
TotalIRLen = 8, IRPrint = 0x0011
JTAG chain detection found 2 devices:
#0 Id: 0x6BA00477, IRLen: 04, CoreSight JTAG-DP
#1 Id: 0x2E300069, IRLen: 04, Unknown device
AP map detection skipped. Manually configured AP map found.
AP[0]: APB-AP (IDR: Not set)
AP[1]: AHB-AP (IDR: Not set)
AP[2]: AHB-AP (IDR: Not set)
AP[2]: Core found
AP[2]: AHB-AP ROM base: 0xE00FF000
CPUID register: 0x410FC241. Implementer code: 0x41 (ARM)
Found Cortex-M4 r0p1, Little endian.
FPUnit: 6 code (BP) slots and 2 literal slots
CoreSight components:
ROMTbl[0] @ E00FF000
ROMTbl[0][0]: E0080000, CID: B105900D, PID: 005BB906 CTI
ROMTbl[0][1]: E008C000, CID: B105900D, PID: 003BB908 CSTF
ROMTbl[0][2]: E008D000, CID: B105900D, PID: 004BB907 ETB
ROMTbl[0][3]: E008E000, CID: B105900D, PID: 003BB923 TPIU-Lite
ROMTbl[0][4]: E007F000, CID: B105100D, PID: 102B4101 ROM Table
ROMTbl[1] @ E007F000
ROMTbl[1][0]: E000E000, CID: B105E00D, PID: 000BB00C SCS-M7
ROMTbl[1][1]: E0001000, CID: B105E00D, PID: 003BB002 DWT
ROMTbl[1][2]: E0002000, CID: B105E00D, PID: 002BB003 FPB
ROMTbl[1][3]: E0000000, CID: B105E00D, PID: 003BB001 ITM
ROMTbl[1][4]: E0042000, CID: B105900D, PID: 005BB906 CTI
ROMTbl[1][5]: E0041000, CID: B105900D, PID: 000BB925 ETM
Cortex-M4 identified.
J-Link>erase
Erasing device...
****** Error: Timeout while erasing chip, RAMCode did not respond in time. (PC = 0x4115709B, CPSR = 0xC34BA592, LR = 0x56996DFE)!
Failed to erase chip.
Failed to execute RAMCode for chip erase!
J-Link: Flash download: Total time needed: 20.118s (Prepare: 0.082s, Compare: 0.000s, Erase: 20.019s, Program: 0.000s, Verify: 0.000s, Restore: 0.016s)
ERROR: Erase returned with error code -5.
I've tried the latest JLinkARM.dll v6.52 but the same message occurs. Any Ideas why this might be happening?
