Resetting The Rtd - Renesas M32R/ECU Series User Manual

14

14.3.8 Resetting the RTD

The RTD is reset by applying a system reset (i.e., RESET# signal). The status of the RTD related output pins
after a system reset are shown below.
Table 14.3.2 RTD Pin Status after System Reset
Pin Name
RTDACK
RTDTXD
The first command transfer to the RTD after being reset is initiated by transferring data to the RTDRXD pin
synchronously with the falling edge of RTDCLK.
RTDCLK
RESET#
RTDRXD
RTDTXD
RTDACK
Figure 14.3.13 Command Transfer to the RTD after System Reset
Status
High-level output
High-level output
32 clock
periods
System
reset
Don't Care RDR(A1)
0000 0000
"H"
"H"
Notes: • (An) = Specified address
• D(An) = Data at specified address (An)
REAL TIME DEBUGGER (RTD)
14.3 Functional Description of the RTD
32 clock
32 clock
periods
periods
RDR(A2)
0000 0000 D(A1)
14-10
32 clock
periods
D(A2)
32180 Group User's Manual (Rev.1.0)