h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 190
h8s-2649
Manufacturer Part Number
h8s-2649
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2649.pdf
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Section 8 Data Transfer Controller (DTC)
8.5.3
In block transfer mode, one operation transfers one block of data. Either the transfer source or the
transfer destination is designated as a block area. Table 8.4 lists the register information in block
transfer mode.
The block size can be between 1 and 256. When the transfer of one block ends, the initial state of
the block size counter and the address register specified as the block area is restored. The other
address register is then incremented, decremented, or left fixed.
From 1 to 65,536 transfers can be specified. Once the specified number of transfers have been
completed, a CPU interrupt is requested.
Table 8.4
Rev. 2.00 Dec. 05, 2005 Page 152 of 724
REJ09B0200-0200
Name
DTC source address register
DTC destination address register
DTC transfer count register AH
DTC transfer count register AL
DTC transfer count register B
Block Transfer Mode
Register Information in Block Transfer Mode
Abbreviation
SAR
DAR
CRAH
CRAL
CRB
Function
Designates source address
Designates destination address
Holds block size
Designates block size count
Transfer count
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