h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 250

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 8 Data Transfer Controller (DTC)
8.1.2
Figure 8-1 shows a block diagram of the DTC.
The DTC’s register information is stored in the on-chip RAM * . A 32-bit bus connects the DTC to
the on-chip RAM (1 kbyte), enabling 32-bit/1-state reading and writing of the DTC register
information.
Note: * When the DTC is used, the RAME bit in SYSCR must be set to 1.
Rev. 6.00 Feb 22, 2005 page 190 of 1484
REJ09B0103-0600
Interrupt
request
Block Diagram
Legend:
MRA, MRB:
CRA, CRB:
SAR:
DAR:
DTCERA to DTCERG:
DTVECR:
Interrupt controller
CPU interrupt
request
Figure 8-1 Block Diagram of DTC
DTC mode registers A and B
DTC transfer count registers A and B
DTC source address register
DTC destination address register
DTC enable registers A to G
DTC vector register
DTC
Internal address bus
Internal data bus
On-chip
RAM