DF2211NP24V Renesas Technology / Hitachi Semiconductor, DF2211NP24V Datasheet - Page 163

• Manufacturer Part Number: DF2211NP24V
• Description: H8S/2200 Series, 2212 Group, USB, RTC, HSS TNP-64B; Vcc= 2.7 to 3.6 volts, Temp= -20 to 75 C; Package: PVQN0064LB-A
• Manufacturer: Renesas Technology / Hitachi Semiconductor

Table 5.5
Legend:
m: Number of wait states in an external device access.
5.6.5
The DMAC can be activated by an interrupt. In this case, the following options are available:
• Interrupt request to CPU
• Activation request to DMAC
• Selection of a number of the above
For details of interrupt requests that can be used with to activate the DMAC, see section 7, DMA
Controller (DMAC).
Figure 5.7 shows a block diagram of the interrupt controller of DMAC.
Symbol
Instruction fetch
Branch address read
Stack manipulation
DMAC Activation by Interrupt
Number of States in Interrupt Handling Routine Execution Statuses
S
S
S
I
J
K
Internal
Memory
1
2-State
Access
4
Rev.7.00 Dec. 24, 2008 Page 109 of 698
8-Bit Bus
Object of Access
3-State
Access
6 + 2m
External Device
2-State
Access
2
REJ09B0074-0700
16-Bit Bus
3-State
Access
3 + m