HD64F2612FA20 Renesas Electronics America, HD64F2612FA20 Datasheet - Page 111
HD64F2612FA20
Manufacturer Part Number
HD64F2612FA20
Description
IC H8S MCU FLASH 128K 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2612FA20
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
43
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
Part Number:
HD64F2612FA20
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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HD64F2612FA20J
Manufacturer:
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Quantity:
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5.4
5.4.1
There are seven external interrupts: NMI and IRQ0 to IRQ5. These interrupts can be used to
restore this LSI from software standby mode.
NMI Interrupt: NMI is the highest-priority interrupt, and is always accepted by the CPU
regardless of the interrupt control mode or the status of the CPU interrupt mask bits. The NMIEG
bit in SYSCR can be used to select whether an interrupt is requested at a rising edge or a falling
edge on the NMI pin.
IRQ0 to IRQ5 Interrupts: Interrupts IRQ0 to IRQ5 are requested by an input signal at pins IRQ0
to IRQ5. Interrupts IRQ0 to IRQ5 have the following features:
• Using ISCR, it is possible to select whether an interrupt is generated by a low level, falling
• Enabling or disabling of interrupt requests IRQ0 to IRQ5 can be selected with IER.
• The interrupt priority level can be set with IPR.
• The status of interrupt requests IRQ0 to IRQ5 is indicated in ISR. ISR flags can be cleared to 0
The detection of IRQ0 to IRQ5 interrupts does not depend on whether the relevant pin has been
set for input or output. However, when a pin is used as an external interrupt input pin, do not clear
the corresponding DDR to 0; and use the pin as an I/O pin for another function.
A block diagram of interrupts IRQ0 to IRQ5 is shown in figure 5.2.
edge, rising edge, or both edges, at pins IRQ0 to IRQ5.
by software.
IRQn input
Note: n = 5 to 0
Interrupt
External Interrupts
Figure 5.2 Block Diagram of Interrupts IRQ0 to IRQ5
IRQnSCA, IRQnSCB
detection circuit
Edge/level
Clear signal
R
S
IRQnF
Rev. 7.00 Sep. 11, 2009 Page 75 of 566
Q
IRQnE
Section 5 Interrupt Controller
IRQn interrupt
request
REJ09B0211-0700
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