HD6432670 Hitachi, HD6432670 Datasheet - Page 450

• Manufacturer Part Number: HD6432670
• Description: (HD64F267x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Table 9.2
CHNE
0
0
0
1
1
1
1
9.5.1
In normal mode, one operation transfers one byte or one word of data. Table 9.3 lists the register
function in normal mode. From 1 to 65,536 transfers can be specified. Once the specified number
of transfers has ended, a CPU interrupt can be requested.
Table 9.3
Name
DTC source address register
DTC destination address register
DTC transfer count register A
DTC transfer count register B
Rev. 2.0, 04/02, page 404 of 906
CHNS
—
—
—
0
1
1
1
Normal Mode
1st Transfer
Chain Transfer Conditions
Register Function in Normal Mode
DISEL CR
0
0
1
—
0
—
1
Not 0
0
—
—
Not 0
0
Not 0
CHNE
—
—
—
0
0
0
—
0
0
0
—
Abbreviation
SAR
DAR
CRA
CRB
CHNS
—
—
—
—
—
—
—
—
—
—
—
2nd Transfer
DISEL CR
—
—
—
0
0
1
—
0
0
1
—
Designates source address
Function
Designates destination address
Designates transfer count
Not used
—
—
—
Not 0
0
—
—
Not 0
0
—
—
DTC Transfer
Ends at 1st transfer
Ends at 1st transfer
Interrupt request to CPU
Ends at 2nd transfer
Ends at 2nd transfer
Interrupt request to CPU
Ends at 1st transfer
Ends at 2nd transfer
Ends at 2nd transfer
Interrupt request to CPU
Ends at 1st transfer
Interrupt request to CPU