DF61654N50FTV Renesas Electronics America, DF61654N50FTV Datasheet - Page 154
DF61654N50FTV
Manufacturer Part Number
DF61654N50FTV
Description
IC H8SX/1654 MCU FLASH 120TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.DF61653N50FTV.pdf
(1020 pages)
Specifications of DF61654N50FTV
Core Processor
H8SX
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, PWM, WDT
Number Of I /o
75
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
40K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
120-TQFP, 120-VQFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK1657 - DEV EVAL KIT FOR H8SX/1657
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Quantity
Price
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Part Number:
DF61654N50FTV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 5 Interrupt Controller
A block diagram of interrupts IRQn is shown in figure 5.2.
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.
5.4.2
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
5.4.3
A sleep interrupt is generated by executing a SLEEP instruction. The sleep interrupt is non-
maskable, and is always accepted regardless of the interrupt control mode or the settings of the
CPU interrupt mask bits. The SLPIE bit in SBYCR selects whether the sleep interrupt function is
enabled or not.
Rev.1.00 Sep. 08, 2005 Page 104 of 966
REJ09B0219-0100
IRQn input
[Legend]
n = 11 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
Sleep Interrupt
Input buffer
in ICR
Figure 5.2 Block Diagram of Interrupts IRQn
IRQnSF, IRQnSR
detection circuit
Edge/level
Clear signal
R
S
IRQnF
Q
IRQnE
IRQn interrupt request
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