12.2.6.4.1 Read ROM Code Version
For this specific command, the Secure SAM-BA Monitor replies with the SVER opcode, and indicates that the ROM code version string length is 30 bytes, so the external tool knows how many characters should be received.
(PC to device) >> RVER,0,0,0,00#
(Device to PC) << SVER,00000000,00000030#v1.0.p1.Feb 23
2021.18:35:56...