DA14695支持的SWD的最大时钟速度是多少？

嗨对话框，

DA14695支持的SWD的最大时钟速度是多少？

Segger jlink-ob的最大时钟速度为2666khz，Testrspeed结果是185千字节/秒，对我们来说太慢了。

可以通过外部超快速调试探测（如Segger J-Link Ultra +）采用30MHz目标接口速度访问DA14695？

布鲁克/彼得

C：\ Program Files（x86）\ segger \ jlink_v662a> jlink -device da14695 -speed 4000 -si swd segger j-link commander v6.62a（编译1月31日2020 12:58:42）DLL版本v6.62a，编译1月31 2020 12:58:08 Connecting to J-Link via USB...O.K. Firmware: J-Link OB-SAM3U128 V3 compiled Jan 21 2020 17:31:29 Hardware version: V3.00 S/N: 483050749 VTref=3.300V Type "connect" to establish a target connection, '?' for help J-Link>connect Device "DA14695" selected. Connecting to target via SWD Found SW-DP with ID 0x0BE12477 DPIDR: 0x0BE12477 Scanning AP map to find all available APs AP[1]: Stopped AP scan as end of AP map has been reached AP[0]: AHB-AP (IDR: 0x14770015) Iterating through AP map to find AHB-AP to use AP[0]: Core found AP[0]: AHB-AP ROM base: 0xE00FF000 CPUID register: 0x410FD212. Implementer code: 0x41 (ARM) Found Cortex-M33 r0p2, Little endian. FPUnit: 8 code (BP) slots and 0 literal slots Security extension: not implemented CoreSight components: ROMTbl[0] @ E00FF000 ROMTbl[0][0]: E000E000, CID: B105900D, PID: 000BBD21 Cortex-M33 ROMTbl[0][1]: E0001000, CID: B105900D, PID: 000BBD21 DWT ROMTbl[0][2]: E0002000, CID: B105900D, PID: 000BBD21 FPB ROMTbl[0][6]: E0042000, CID: B105900D, PID: 000BBD21 CTI ROMTbl[0][7]: E0043000, CID: B105900D, PID: 000BBD21 MTB Cortex-M33 identified. J-Link>st VTref=3.300V ITarget=0mA TCK=0 TDI=1 TDO=1 TMS=1 TRES=1 TRST=1 Supported target interface speeds: - 16 MHz/n, (n>=6). => 2666kHz, 2285kHz, 2000kHz, ... - Adaptive clocking J-Link>testrspeed Speed test: Reading 8 * 128kb from address 0x00000000 ........ 128 kByte read in 705ms ! (185 KByte/sec) J-Link>