HD6412350 Hitachi, HD6412350 Datasheet - Page 222

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

Bit 4—Data Transfer Direction (DTDIR): Used in combination with the SAE bit in DMABCR
to specify the data transfer direction (source or destination). The function of this bit is therefore
different in dual address mode and single address mode.
DMABCR
SAE
0
1
202
Bit 4
DTDIR
0
1
0
1
Description
Transfer with MAR as source address and IOAR as destination
address
Transfer with IOAR as source address and MAR as destination address
Transfer with MAR as source address and DACK pin as write strobe
Transfer with DACK pin as read strobe and MAR as destination address
(Initial value)