DF2134AFA20V Renesas Electronics America, DF2134AFA20V Datasheet - Page 180
![IC H8S/2100 MCU FLASH 80QFP](/photos/12/21/122132/df2134afa20v_sml.jpg)
DF2134AFA20V
Manufacturer Part Number
DF2134AFA20V
Description
IC H8S/2100 MCU FLASH 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheets
1.HEWH8E10A.pdf
(19 pages)
2.D12312SVTE25V.pdf
(341 pages)
3.DF2134AFA20V.pdf
(1063 pages)
Specifications of DF2134AFA20V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
58
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
80-QFP
For Use With
3DK2166 - DEV EVAL KIT H8S/2166
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2134AFA20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 180 of 1063
- Download datasheet (6Mb)
Section 5 Interrupt Controller
5.5.2
Enabling and disabling of IRQ interrupts and on-chip supporting module interrupts can be set by
means of the I bit in the CPU’s CCR, and ICR. Interrupts are enabled when the I bit is cleared to
0, and disabled when set to 1. Control level 1 interrupt sources have higher priority.
Figure 5.8 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
2. When interrupt requests are sent to the interrupt controller, a control level 1 interrupt,
3. The I bit is then referenced. If the I bit is cleared to 0, the interrupt request is accepted. If the I
4. When an interrupt request is accepted, interrupt exception handling starts after execution of the
5. The PC and CCR are saved to the stack area by interrupt exception handling. The PC saved on
6. Next, the I bit in CCR is set to 1. This disables all interrupts except NMI and address break
7. A vector address is generated for the accepted interrupt, and execution of the interrupt
Rev. 4.00 Jun 06, 2006 page 124 of 1004
REJ09B0301-0400
interrupt request is sent to the interrupt controller.
according to the control level set in ICR, has priority for selection, and other interrupt requests
are held pending. If a number of interrupt requests with the same control level setting are
generated at the same time, the interrupt request with the highest priority according to the
priority system shown in table 5.4 is selected.
bit is set to 1, only NMI and address break interrupts are accepted, and other interrupt requests
are held pending.
current instruction has been completed.
the stack shows the address of the first instruction to be executed after returning from the
interrupt handling routine.
interrupts.
handling routine starts at the address indicated by the contents of that vector address.
Interrupt Control Mode 0
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