HD6412350 Hitachi, HD6412350 Datasheet - Page 314

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

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
294
Normal mode
Repeat mode
Block transfer mode
One transfer request transfers one byte or one
Memory addresses are incremented or
Up to 65,536 transfers possible
One transfer request transfers one byte or one
Memory addresses are incremented or
After the specified number of transfers (1 to 256),
One transfer request transfers a block of the
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
word
decremented by 1 or 2
word
decremented by 1 or 2
the initial state resumes and operation continues
specified size
source or destination
DTC Functions
Activation Source
IRQ
TPU TGI
SCI TXI or RXI
A/D converter
ADI
DMAC DEND
Software
Transfer
Source
24 bits
Address Registers
Transfer
Destination
24 bits