HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 250

• Manufacturer Part Number: HD6417144
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

10. Direct Memory Access Controller (DMAC)
10.5
10.5.1
In this example, on-chip serial communication interface channel 0 (SCI0) received data is
transferred to external memory using the DMAC channel 3.
Table 10.6 indicates the transfer conditions and the setting values of each of the registers.
Table 10.6 Transfer Conditions and Register Set Values for Transfer between On-chip SCI
Rev.4.00 Mar. 27, 2008 Page 206 of 882
REJ09B0108-0400
Transfer Conditions
Transfer source: RDR0 of on-chip SCI0
Transfer destination: external memory
Transfer count: 64 times
Transfer source address: fixed
Transfer destination address: incremented
Transfer request source: SCI0 (RDR0)
Bus mode: cycle steal
Transfer unit: byte
Interrupt request generation at end of transfer
Channel priority ranking: 0 > 1 > 2 > 3
Examples of Use
Example of DMA Transfer between On-Chip SCI and External Memory
and External Memory
Register
SAR_3
DAR_3
DMATCR_3
CHCR_3
DMAOR
Value
H'FFFF81A5
H'00400000
H'00000040
H'00004D05
H'0001