14
14-3
REAL TIME DEBUGGER (RTD)
32180 Group User’s Manual (Rev.1.0)
14.2 Pin Functions of the RTD
Pin Functions of the RTD are shown below.
Table 14.2.1 Pin Functions of the RTD
Pin Name Type Function
RTDTXD Output RTD serial data output
RTDRXD Input RTD serial data input
RTDACK Output Output a low-level pulse synchronously with the beginning clock edge of the output data word.
The width of this pulse indicates the type of instruction or data the RTD has received.
1 clock period: VER (continuous monitor) command
1 clock period: VEI (RTD interrupt request) command
2 clock periods: RDR (real-time RAM content output) command
3 clock periods: WRR (RAM content forcible rewrite) command or the data to rewrite
4 clock periods or more: RCV (recover from runaway) command
RTDCLK Input RTD transfer clock input
14.2 Pin Functions of the RTD
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