Normal Mode - Hitachi H8S/2646 Hardware Manual

Hitachi 16-bit single-chip microcomputer h8s/2646 series
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8.3.5

Normal Mode

In normal mode, one operation transfers one byte or one word of data.
From 1 to 65,536 transfers can be specified. Once the specified number of transfers have ended, a
CPU interrupt can be requested.
Table 8-5 lists the register information in normal mode and figure 8-6 shows memory mapping in
normal mode.
Table 8-5
Register Information in Normal Mode
Name
DTC source address register
DTC destination address register
DTC transfer count register A
DTC transfer count register B
SAR
200
Abbreviation
SAR
DAR
CRA
CRB
Transfer
Figure 8-6 Memory Mapping in Normal Mode
Function
Designates source address
Designates destination address
Designates transfer count
Not used
DAR

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