The Flexis JM family includes the 32-bit MCF51JM128 (JM128) ColdFire® MCUs and the 8-bit MC9S08JM60 (JM60) devices. The JM60 and JM128 devices are software- and pin-compatible, which provide an easy migration path from 8-bit to 32-bit MCUs. The JM60 features USB 2.0 full speed device, up to 60KB of flash memory, 4KB SRAM, and 256 Bytes USB RAM. The JM128 further extends the low end of 32-bit MCUs. The JM128 features USB 2.0 full speed Host/Device/On-The-Go function with configuration flexibility. It integrates up to 128Kbytes of flash memory, up to 16KBytes SRAM.