R0K561622S000BE Renesas Electronics America, R0K561622S000BE Datasheet - Page 151
R0K561622S000BE
Manufacturer Part Number
R0K561622S000BE
Description
KIT STARTER FOR H8SX/1622
Manufacturer
Renesas Electronics America
Series
Renesas Starter Kits (RSK)r
Type
MCUr
Specifications of R0K561622S000BE
Contents
Board, Cables, CD, Debugger, Power Supply
Silicon Manufacturer
Renesas
Features
Coding And Debugging, E10A Emulator, RS232 Serial Connection
Kit Contents
Board
Silicon Family Name
H8SX/1622F
Silicon Core Number
R5F61622N50LGV
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
H8SX/1622
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
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Detection of IRQn interrupts is enabled through the P1ICR, P2ICR, P5ICR, and P6ICR register
settings, and does not change regardless of the output setting. However, when a pin is used as an
external interrupt input pin, the pin must not be used as an I/O pin for another function by clearing
the corresponding DDR bit to 0.
A block diagram of interrupts IRQn is shown in figure 6.2.
When the IRQ sensing control in ISCR is set to a low level of signal IRQn, the level of IRQn
should be held low until an interrupt handling starts. Then set the corresponding input signal IRQn
to high in the interrupt handling routine and clear the IRQnF to 0. Interrupts may not be executed
when the corresponding input signal IRQn is set to high before the interrupt handling begins.
6.4.2
The sources for internal interrupts from on-chip peripheral modules have the following features:
• For each on-chip peripheral module there are flags that indicate the interrupt request status,
• The interrupt priority can be set by means of IPR.
• The DTC and DMAC can be activated by a TPU, SCI, or other interrupt request.
• The priority levels of DTC and DMAC activation can be controlled by the DTC and DMAC
IRQn input
[Legend]
n = 15 to 0
and enable bits that enable or disable these interrupts. They can be controlled independently.
When the enable bit is set to 1, an interrupt request is issued to the interrupt controller.
priority control functions.
Corresponding bit
Internal Interrupts
Input buffer
in ICR
Figure 6.2 Block Diagram of Interrupts IRQn
IRQnSF, IRQnSR
detection circuit
Edge/level
Clear signal
S
R
IRQnF
Rev. 2.00 Sep. 16, 2009 Page 121 of 1036
Q
IRQnE
Section 6 Interrupt Controller
IRQn interrupt request
REJ09B0414-0200
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