h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 261

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

The DTC transfer mode can be normal mode, repeat mode, or block transfer mode.
The 24-bit SAR designates the DTC transfer source address and the 24-bit DAR designates the
transfer destination address. After each transfer, SAR and DAR are independently incremented,
decremented, or left fixed.
Table 8-2 outlines the functions of the DTC.
Table 8-2
Transfer Mode
Normal mode
Repeat mode
Block transfer mode
One transfer request transfers one
byte or one word
Memory addresses are incremented
or decremented by 1 or 2
Up to 65,536 transfers possible
One transfer request transfers one
byte or one word
Memory addresses are incremented
or decremented by 1 or 2
After the specified number of
transfers (1 to 256), the initial state
resumes and operation continues
One transfer request transfers a
block of the specified size
Block size is from 1 to 256 bytes or
words
Up to 65,536 transfers possible
A block area can be designated at
either the source or destination
DTC Functions
Activation Source
IRQ
TPU TGI
SCI TXI or RXI
A/D converter ADI
Motor control PWM
CMI
HCAN RM0
(mail box 0)
Software
Rev. 6.00 Feb 22, 2005 page 201 of 1484
Section 8 Data Transfer Controller (DTC)
Transfer
Source
24 bits
Address Registers
REJ09B0103-0600
Transfer
Destination
24 bits