Renesas M32R/ECU Series User Manual page 646

14
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
RTDTXD Output
RTDRXD Input
RTDACK Output
RTDCLK Input
Function
RTD serial data output
RTD serial data input
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
RTD transfer clock input
14-3
REAL TIME DEBUGGER (RTD)
14.2 Pin Functions of the RTD
32180 Group User's Manual (Rev.1.0)