VRS550 - 8kB Flash, 256B RAM, 25MHz, 8-Bit MCU VRS560 - 16kB Flash, 256B RAM, 25MHz, 8-Bit MCUVRS550 - 的8kB闪存, 256B RAM , 25MHz的8位MCU VRS560 - 16kB的闪存, 256B RAM , 25MHz的8位MCU