DF2218BR24V Renesas Electronics America, DF2218BR24V Datasheet - Page 161
![IC H8S/2218 MCU FLASH 112-LFBGA](/photos/12/42/124228/df2218br24v_sml.jpg)
DF2218BR24V
Manufacturer Part Number
DF2218BR24V
Description
IC H8S/2218 MCU FLASH 112-LFBGA
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Specifications of DF2218BR24V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
24MHz
Connectivity
SCI, SmartCard, USB
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
69
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 6x10b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
112-LFBGA
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK2218-SS - KIT DEV H8S/2218 WINDOWS SIDESHW3DK2218 - DEV EVAL KIT H8S/2218
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2218BR24V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 161 of 758
- Download datasheet (5Mb)
5.6.2
In interrupt control mode 2, mask control is done in eight levels for interrupt requests except for
NMI by comparing the EXR interrupt mask level (I2 to I0 bits) in the CPU and the IPR setting.
Figure 5.5 shows a flowchart of the interrupt acceptance operation in this case.
1. If an interrupt source occurs when the corresponding interrupt enable bit is set to 1, an interrupt
2. When interrupt requests are sent to the interrupt controller, the interrupt with the highest
3. Next, the priority of the selected interrupt request is compared with the interrupt mask level set
4. When the CPU accepts an interrupt request, it starts interrupt exception handling after
5. The PC, CCR, and EXR are saved to the stack area by interrupt exception handling. The PC
6. The T bit in EXR is cleared to 0. The interrupt mask level is rewritten with the priority level of
7. The CPU generates a vector address for the accepted interrupt and starts execution of the
request is sent to the interrupt controller.
priority according to the interrupt priority levels set in IPR is selected, and lower-priority
interrupt requests are held pending. If a number of interrupt requests with the same priority are
generated at the same time, the interrupt request with the highest priority according to the
priority system shown in table 5.2 is selected.
in EXR. An interrupt request with a priority no higher than the mask level set at that time is
held pending, and only an interrupt request with a priority higher than the interrupt mask level
is accepted.
execution of the current instruction has been completed.
saved on the stack shows the address of the first instruction to be executed after returning from
the interrupt handling routine.
the accepted interrupt.
If the accepted interrupt is NMI, the interrupt mask level is set to H'7.
interrupt handling routine at the address indicated by the contents of the vector address in the
vector table.
Interrupt Control Mode 2
Rev.7.00 Dec. 24, 2008 Page 105 of 698
REJ09B0074-0700
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