r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 168

• Manufacturer Part Number: r4f2426
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 5 Interrupt Controller
Table 5.5
Legend:
m: Number of wait states in an external device access.
5.6.5
The DTC and DMAC can be activated by an interrupt. In this case, the following options are
available:
• Interrupt request to CPU
• Activation request to DTC
• Activation request to DMAC
• Selection of a number of the above
For details of interrupt requests that can be used to activate the DTC and DMAC, see table 5.2 and
section 9, Data Transfer Controller (DTC) and section 7, DMA Controller (DMAC).
Rev. 1.00 Sep. 19, 2008 Page 140 of 1270
REJ09B0466-0100
Symbol
Instruction fetch S
Branch address read S
Stack manipulation S
DTC and DMAC Activation by Interrupt
Number of States in Interrupt Handling Routine Execution Statuses
I
K
J
Internal
Memory
1
2-State
Access
4
8 Bit Bus
Object of Access
3-State
Access
6+2m
External Device
2-State
Access
2
16 Bit Bus
3-State
Access
3+m