HD6413003RVF RENESAS [Renesas Technology Corp], HD6413003RVF Datasheet - Page 235

• Manufacturer Part Number: HD6413003RVF
• Description: microcontroller (MCU)
• Manufacturer: RENESAS [Renesas Technology Corp]

Figure 8-15 shows an auto-requested burst-mode transfer. This example shows a transfer of three
words from a 16-bit two-state access area to another 16-bit two-state access area.
ø
DREQ
A
RD
HWR
TEND
23
to A
,
LWR
0
Figure 8-14 Bus Timing of DMA Transfer Requested by Low
T
1
CPU cycle
T
2
T
3
T
d
T
1
DMAC cycle
Source
address
T
2
T
Destination
address
1
217
T
2
T
CPU cycle
1
T
2
T
d
DMAC cycle
(last transfer cycle)
T
1
Source
address
T
2
DREQ Input
T
Destination
address
1
T
2
T
CPU cycle
1
T
2