142
Chapter 3
CPU Functions
User’s Manual U16580EE3V1UD00
3.4.9 System wait control register (VSWC)
The system wait control register (VSWC) is a register that controls the bus access wait for the on-chip
peripheral I/O registers.
Access to on-chip peripheral I/O registers is made in 3 clocks (without wait), however, in the
V850E/PH2 waits may be required depending on the operation frequency. Set the values described in
the table below to the VSWC register in accordance with the operation frequency used.
This register can be read or written in 1-bit or 8-bit units.
3.4.10 DMA wait control registers 0 and 1 (DMAWC0, DMAWC1)
The DMA wait control registers 0 and 1 (DMAWC0, DMAWC1) are a registers that control the bus
access wait and signal timing for DMA transfers.
Set the values described in the table below to the DMAWC0 and DMAWC1 registers in accordance with
the operation frequency used.
This register can be read or written in 1-bit or 8-bit units.
Register Name
Operating frequency
Set Value
Address
After reset
VSWC
64 MHz
13H
FFFFF06EH
77H
Register Name
Operating frequency
Set Value
Address
After reset
DMAWC0
64 MHz
13H
FFFFFE00H
37H
DMAWC1
04H
FFFFFE02H
07H
Summary of Contents for MuPD70F3187
Page 6: ...6 Preface User s Manual U16580EE3V1UD00 ...
Page 16: ...16 User s Manual U16580EE3V1UD00 ...
Page 28: ...28 User s Manual U16580EE3V1UD00 ...
Page 32: ...32 User s Manual U16580EE3V1UD00 ...
Page 84: ...84 Chapter 2 Pin Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 144: ...144 Chapter 3 CPU Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 312: ...312 Chapter 9 16 Bit Timer Event Counter P User s Manual U16580EE3V1UD00 MEMO ...
Page 534: ...534 Chapter 11 16 bit Timer Event Counter T User s Manual U16580EE3V1UD00 ...
Page 969: ...969 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 MEMO ...
Page 970: ...970 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 ...
Page 976: ...976 Chapter 22 Internal RAM Parity Check Function User s Manual U16580EE3V1UD00 MEMO ...
Page 984: ...984 Chapter 23 On Chip Debug Function OCD User s Manual U16580EE3V1UD00 MEMO ...
Page 1006: ...1006 Chapter 24 Flash Memory User s Manual U16580EE3V1UD00 MEMO ...
Page 1036: ...1036 Chapter 27 Recommended Soldering Conditions User s Manual U16580EE3V1UD00 MEMO ...
Page 1046: ...1046 Appendix A Index User s Manual U16580EE3V1UD00 MEMO ...
Page 1052: ...1052 User s Manual U16580EE3V1UD00 ...
Page 1053: ......