HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 206

• Manufacturer Part Number: HD6417034B
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 9 Direct Memory Access Controller (DMAC)
Rev. 7.00 Jan 31, 2006 page 180 of 658
REJ09B0272-0700
Transfer requests
Selectable bus modes: Cycle-steal mode or burst mode
Selectable channel priority levels: Fixed, round-robin, or external-pin round-robin modes
CPU can be asked for interrupt when data transfer ends
Maximum transfer rate
On-chip memory and on-chip supporting module (excluding the DMAC)
Two on-chip supporting modules (excluding the DMAC)
External request (From DREQ pins (channels 0 and 1 only). DREQ can be detected either
by edge or by level)
Requests from on-chip supporting modules (serial communication interface (SCI), A/D
converter (A/D), and 16-bit integrated timer pulse unit (ITU))
Auto-request (the transfer request is generated automatically within the DMAC)
20 M words/s (320 MB/s)
For 5 V and 20 MHz
Bus mode: Burst mode
Transmission size: Word