Renesas M32R/ECU Series User Manual page 648

14
RTDCLK
RTDRXD
RTDTXD
RTDACK
Figure 14.3.2 Operation of the RDR Command
(LSB side)
31 30
b31 b30
Note: • The read data is transferred LSB-first.
Figure 14.3.3 Read Data Transfer Format
32 clock
periods
RDR (A1) RDR (A2)
2 clock periods
Note: • (An) = Specified address
• D(An) = Data at specified address (An)
Read data
REAL TIME DEBUGGER (RTD)
14.3 Functional Description of the RTD
32 clock 32 clock
periods periods
RDR (A3)
D (A1)
14-5
32 clock
periods
D (A2)
(MSB side)
1 0
RTDTXD
b1 b0
32180 Group User's Manual (Rev.1.0)