| 摘要 |
An integrated circuit device including an internal debug module for on-chip debugging while communicating with a pin-saving debug tool and a CPU, the integrated circuit device comprises; a first debug terminal coupled to a first communication line; a first common control unit that controls using the first communication line for both transmission of a serial data signal corresponding debug data for sending, which is sent and/or received to and/or from the pin-saving debug tool during on-chip debugging and transmission of a run/break state signal, which shows a run state or a break state of the CPU.
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