r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 257

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Figure 9.9 Bus Arbitration When DTC Activation Request Occur during External Space
• When DTC activation request is generated during read access to external space from CPU
• When DTC activation request is generated during write access to external space from CPU (1)
• When DTC activation request is generated during write access to external space from CPU (2)
• When DTC activation request is generated during write access to external space from CPU (3)
(When external space read request is generated by CPU during execution of write access to external space from CPU)
(When external space write request is generated by CPU during execution of write access to external space from CPU)
Internal bus
External bus
DTC
activation request
Internal bus
External bus
DTC
activation request
Internal bus
External bus
DTC
activation request
Internal bus
External bus
DTC
activation request
DTC activation request is generated in this period.
DTC activation request is generated in this period.
space 1 from CPU
Write to external
Write to external
Write to external
space from CPU
space from CPU
DTC activation request is generated in this period.
Read access to external
Read access to external
Write access to external
Write access to external
DTC activation request is generated in this period.
Write access to external
space from CPU
space from CPU
space from CPU
space from CPU
space 1 from CPU
Access from CPU
space 2 from CPU
Write to external
DTC
Read access to external
space from CPU
Read access to external
DTC
space from CPU
Write access to external
Rev. 1.00 Sep. 21, 2007 Page 231 of 1124
DTC
space 2 from CPU
Section 9 Bus State Controller (BSC)
DTC
REJ09B0402-0100