HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 460

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 8 EXDMA Controller (EXDMAC)
Rev.7.00 Mar. 18, 2009 page 392 of 1136
REJ09B0109-0700
Conditions (1)
Channel 0: Auto request, cycle steal mode
Channel 1: External request, cycle steal mode, low level activation
Bus
Channel 0
EDA bit
Channel 1/
EDREQ1 pin
Conditions (2)
Channel 1: External request, cycle steal mode, low level activation
Channel 2: Auto request, cycle steal mode
Bus
Channel 1/
EDREQ1 pin
Channel 2
EDA bit
Conditions (3)
Channel 0: Auto request, cycle steal mode
Channel 2: Auto request, cycle steal mode
Bus
Channel 0
EDA bit
Channel 2
EDA bit
*
: Bus release
Channel 0
Channel 2
Channel 2
Figure 8.14 Examples of Channel Priority Timing
*
*
*
Channel 0
Channel 2
Channel 2
*
*
*
Channel 0
Channel 1
Channel 0
*
*
*
Channel 1
Channel 2
Channel 0
*
*
*
Channel 1
Channel 2
Channel 1
*
*
*
Channel 1