![]() The Freescale HCS08 core is the next generation of the same processors. The Freescale RS08 core is a simplified, "reduced-resource" version of the HC08. A typical and general purpose device from the HC08 family of units is the microcontroller M68HC908GP32. Features and capabilities vary widely, from 8 to 64-pin processors, from LIN connectivity to USB 1.1. Some instructions refer to the different bytes in the H:X index register independently.Īmong the HC08's there are dozens of processor families, each targeted to different embedded applications. One 8-bit accumulator A, a 16-bit index register H:X, a 16-bit stack pointer SP, a 16-bit program counter PC, and an 8-bit condition code register CCR. This family has five CPU registers that are not part of the memory. Like all Motorola processors that share lineage from the 6800, they use the von Neumann architecture as well as memory-mapped I/O. HC08's are fully code-compatible with their predecessors, the Motorola 68HC05. ![]() The 68HC08 ( HC08 in short) is a broad family of 8-bit microcontrollers originally from Motorola Semiconductor, later from Freescale Semiconductor. ![]()
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