Hitachi H8S/2378, H8S/2378R Series Hardware Manual page 392

Conditions (1)
Channel 0: Auto request, cycle steal mode
Channel 1: External request, cycle steal mode, low level activation
Bus Channel 0
Channel 0
EDA bit
Channel 1/
pin
Conditions (2)
Channel 1: External request, cycle steal mode, low level activation
Channel 2: Auto request, cycle steal mode
Bus
Channel 2
Channel 1/
pin
Channel 2
EDA bit
Conditions (3)
Channel 0: Auto request, cycle steal mode
Channel 2: Auto request, cycle steal mode
Bus Channel 2
Channel 0
EDA bit
Channel 2
EDA bit
*
: Bus release
Rev. 1.0, 09/01, page 348 of 904
Channel 0
* *
* Channel 2 *
Channel 2
* *
Figure 8.14 Examples of Channel Priority Timing
Channel 0 Channel 1
*
Channel 1 * Channel 2
Channel 0 Channel 0
*
Channel 1
* *
* Channel 1 * Channel 1
Channel 2
* *