The Siemens 16-bit Microcontroller family comprises two flash devices, the SAB 88C166 with 32 Kbytes on chip flash memory and the C167CR-16F with 128 Kbytes on chip flash memory 1 Abstract 3 2 In-circuit programming algorithm 3 3 Hex Loader 7 4 Status 8 5 Erase 9 6 Programming 9