H8S-2350 RENESAS [Renesas Technology Corp], H8S-2350 Datasheet - Page 291

• Manufacturer Part Number: H8S-2350
• Description: 16-Bit Single-Chip Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Figure 7.15 Operation Flow in Block Transfer Mode
MARB = MARB – DAIDE · (–1)
MARA = MARA – SAIDE · (–1)
MARA = MARA + SAIDE · (–1)
MARB = MARB + DAIDE · (–1)
Write to address specified by MARB
No
Read address specified by MARA
ETCRAL = ETCRAL –1
ETCRB = ETCRB –1
ETCRAL = ETCRAH
(DTE = DTME = 1)
Transfer request?
Clear DTE bit to 0
ETCRB = H'0000
ETCRAL = H'00
to end transfer
Release bus
Acquire bus
BLKDIR = 0
Start
Yes
Yes
Yes
Yes
DAID
SAID
Rev. 3.00 Sep 15, 2006 page 257 of 988
· 2
· 2
SAID
DAID
DTSZ
DTSZ
· 2
Section 7 DMA Controller (DMAC)
· 2
· ETCRAH
· ETCRAH
DTSZ
DTSZ
No
No
No
REJ09B0330-0300