Resetting The Rtd - Mitsubishi Electric M32R Series User Manual

Mitsubishi 32-bit risc single-chip microcomputers
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14

14.3.8 Resetting the RTD

The RTD is reset by applying a system rest (i.e., by entering the RESET signal). The status of the
RTD related output pins after a system reset are shown below.
Table 14.3.2 RTD Pin State after System Reset
Pin Name
RTDACK
RTDTXD
The first command transfer to the RTD after it was reset is initiated by transferring data to the
RTDRXD pin synchronously with falling edges of RTDCLK.
RTDCLK
System reset
RESET
RTDRXD
Don't Care
RTDTXD
"H"
RTDACK
"H"
Note : (An) = Specified address
D (An) = Data at specified address (An)
Figure 14.3.13 Command Transfer to the RTD after System Reset
State
High-level output
High-level output
32 clock
periods
RDR (A1)
0000 0000
14-13
REAL-TIME DEBUGGER (RTD)
14.3 Functional Description of the RTD
32 clock
32 clock
periods
periods
RDR (A2)
• • • • • •
0000 0000
D (A1)
32 clock
periods
D (A2)
Ver.0.10

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