14
14-5
Rev.1.0
REAL-TIME DEBUGGER (RTD)
14.3 Functional Description of the RTD
14.3.2 Operation of RDR (Real-time RAM Content Output)
When the RDR (real-time RAM content output) command is issued, the RTD is made possible to
transfer the contents of the internal RAM to external devices without causing the CPU's internal bus
to stop. Because the RTD reads data from the internal RAM while no transfers are being performed
between the CPU and internal RAM, no extra load is levied on the CPU.
The address to be read from the internal RAM can only be specified on 32-bit word boundaries.
(The two low-order address bits specified by a command are ignored.) Note also that data are read
out in units of 32 bits as transferred from the internal RAM to an external device.
Figure 14.3.1 RDR Command Data Format
Figure 14.3.2 Operation of the RDR Command
Note: X = Don't Care (However, if issued immediately after the RCV command, bits 20-31 must all be
set to 1.)
Note: (An) = Specified address
D (An) = Data at specified address (An)
31
X
0
0
1
0
19 18 17 16
X
15
X
14 13 12
1
A16
0
X
20
A17
A28
A29
• • • • • •
• • • • • •
Command (RDR)
Specified address
• • • • • •
• • • • • •
RTDRXD
(MSB side)
(LSB side)
32 clock
periods
32 clock
periods
32 clock
periods
32 clock
periods
RDR (A1)
RDR (A2)
RDR (A3)
D (A1)
D (A2)
2 clock
periods
RTDCLK
RTDRXD
RTDTXD
RTDACK
• • • • • •
• • • • • •
Содержание 32172
Страница 20: ... This is a blank page 16 ...
Страница 21: ...1 1 Overview 1 2 Block Diagram 1 3 Pin Functions 1 4 Pin Layout CHAPTER 1 CHAPTER 1 OVERVIEW ...
Страница 44: ...1 1 24 Rev 1 0 This is a blank page Overview 1 4 Pin Layout ...
Страница 58: ...2 2 14 Rev 1 0 This is a blank page CPU 2 6 Data Formats ...
Страница 122: ...4 4 26 Rev 1 0 This is a blank page EIT 4 13 Precautions on EIT ...
Страница 200: ...7 7 6 Rev 1 0 This is a blank page RESET 7 4 Precautions to Be Taken Immediately after Reset ...
Страница 240: ...8 8 40 Rev 1 0 This is a blank page INPUT OUTPUT PORTS AND PIN FUNCTIONS 8 5 Precautions on Input Output Ports ...
Страница 298: ...9 9 58 Rev 1 0 This is a blank page DMAC 9 4 Precautions on Using DMAC ...
Страница 416: ...10 10 118 Rev 1 0 This is a blank page INPUT OUTPUT TIMERS 10 6 TOM Output Related 16 bit Timers ...
Страница 658: ...14 14 16 Rev 1 0 REAL TIME DEBUGGER RTD 14 4 Typical Connection with the Host This is a blank page ...
Страница 718: ...16 16 16 Rev 1 0 This is a blank page D A CONVERTERS 16 3 Functional Description of the D A Converters ...
Страница 766: ...18 18 22 Rev 1 0 WAIT CONTROLLER 18 3 Typical Operation of the Wait Controller This is a blank page ...
Страница 776: ...19 19 10 Rev 1 0 RAM BACKUP MODE 19 4 Exiting RAM Backup Mode Wakeup This is a blank page ...
Страница 777: ...CHAPTER 20 CHAPTER 20 OSCILLATION CIRCUIT 20 1 Oscillator Circuit 20 2 Clock Generator Circuit ...
Страница 782: ...20 20 6 Rev 1 0 OSCILLATION CIRCUIT 20 2 Clock Generator Circuit This is a blank page ...
Страница 856: ...23 23 26 Rev 1 0 This is a blank page ELECTRICAL CHARACTERISTICS 23 6 AC Characteristics ...
Страница 857: ...24 1 A D Conversion Characteristics CHAPTER 24 CHAPTER 24 STANDARD CHARACTERISTICS ...
Страница 859: ...Appendix 1 1 Dimensional Outline Drawing APPENDIX 1 APPENDIX 1 MECHANICAL SPECIFICATIONS ...
Страница 861: ...Appendix 2 1 M32R E Instruction Processing Time APPENDIX 2 APPENDIX 2 INSTRUCTION PROCESSING TIME ...
Страница 865: ...Appendix 3 1 Precautions about Noise APPENDIX 3 APPENDIX 3 PRECAUTIONS ABOUT NOISE ...