HD6412350 Hitachi, HD6412350 Datasheet - Page 213

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

7.1.3
Tables 7-1 (1) and (2) summarize DMAC functions in short address mode and full address mode,
respectively.
Table 7-1 (1)
Transfer Mode
Dual address mode
Single address mode
Sequential mode
Idle mode
Repeat mode
1-byte or 1-word transfer executed for
one transfer request
Transfer in 1 bus cycle using DACK
pin in place of address specifying I/O
Specifiable for sequential, idle, and
repeat modes
1-byte or 1-word transfer
Memory address
1 to 65536 transfers
1-byte or 1-word transfer
Memory address fixed
1 to 65536 transfers
1-byte or 1-word transfer
Memory address incremented/
After specified number of
executed for one transfer request
incremented/decremented by 1
or 2
executed for one transfer request
executed for one transfer request
decremented by 1 or 2
transfers (1 to 256), initial state is
restored and operation continues
Overview of Functions
Overview of DMAC Functions (Short Address Mode)
Transfer Source
TPU channel 0 to 5
compare match/input
capture A interrupt
SCI transmission
complete interrupt
SCI reception
complete interrupt
A/D converter
conversion end
interrupt
External request
External request
Address Register Bit Length
Source
24/16
24/DACK
Destination
16/24
DACK/24
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