HD64F2357F20V Datasheet, PDF (201/1049 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-chip Microcomputer H8S Family / H8S/2300 Series

7.2 Register Descriptions (1) (Short Address Mode)
Short address mode transfer can be performed for channels A and B independently.
Short address mode transfer is specified for each channel by clearing the FAE bit in DMABCR to 0, as shown in table 7-4.
Short address mode or full address mode can be selected for channels 1 and 0 independently by means of bits FAE1 and
FAE0.
Table 7-4 Short Address Mode and Full Address Mode (For 1 Channel: Example of Channel 0)
FAE0
0
Description
Short address mode specified (channels A and B operate independently)
MAR0A
IOAR0A
ETCR0A
DMACR0A
Specifies transfer source/transfer destination address
Specifies transfer destination/transfer source address
Specifies number of transfers
Specifies transfer size, mode, activation source, etc.
MAR0B
IOAR0B
ETCR0B
DMACR0B
Specifies transfer source/transfer destination address
Specifies transfer destination/transfer source address
Specifies number of transfers
Specifies transfer size, mode, activation source, etc.
1
Full address mode specified (channels A and B operate in combination)
MAR0A
MAR0B
IOAR0A
IOAR0B
ETCR0A
ETCR0B
DMACR0A DMACR0B
Specifies transfer source address
Specifies transfer destination address
Not used
Not used
Specifies number of transfers
Specifies number of transfers (used in block transfer
mode only)
Specifies transfer size, mode, activation source, etc.
Rev.6.00 Oct.28.2004 page 171 of 1016
REJ09B0138-0600H