SH7080 Datasheet, PDF (261/1644 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 8 Data Transfer Controller (DTC)
Clock (Bφ)
DTC activation
request
DTC request
Internal address
RW
Vector read
Transfer information
read
Data Transfer information
transfer
write
Note: The DTC request signal indicates the state of internal bus request after the DTC activation source has been determined.
Figure 8.14 Example of DTC Operation Timing:
Normal or Repeat Transfer with DTPR = 1
(Activated by On-Chip Peripheral Module; Iφ: Bφ: Pφ =1: 1/2: 1/2;
Data Transferred from On-Chip Peripheral Module to On-Chip RAM;
Transfer Information is Written in 3 Cycles)
Clock (Bφ)
DTC activation
request by IRQ pin
DTC request
Internal address
RW
Vector read
Transfer information
read
Data Transfer information
transfer
write
Note: The DTC request signal indicates the state of internal bus request after the DTC activation source has been determined.
Figure 8.15 Example of DTC Operation Timing:
Normal or Repeat Transfer
(Activated by IRQ; Iφ: Bφ: Pφ =1: 1/2: 1/2;
Data Transferred from On-Chip Peripheral Module to On-Chip RAM;
Transfer Information is Written in 3 Cycles)
Rev. 3.00 May 17, 2007 Page 203 of 1582
REJ09B0181-0300