HD6473937W Renesas Electronics America, HD6473937W Datasheet - Page 88
HD6473937W
Manufacturer Part Number
HD6473937W
Description
MCU FLASH OTP 60K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300L SLPr
Datasheet
1.HD6473937RXV.pdf
(523 pages)
Specifications of HD6473937W
Core Processor
H8/300L
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI
Peripherals
POR, WDT
Number Of I /o
59
Program Memory Size
60KB (60K x 8)
Program Memory Type
OTP
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6473937W
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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3.3.5 Interrupt Operations
Interrupts are controlled by an interrupt controller. Figure 3-2 shows a block diagram of the
interrupt controller. Figure 3-3 shows the flow up to interrupt acceptance.
Interrupt operation is described as follows.
74
When an interrupt condition is met while the interrupt enable register bit is set to 1, an
interrupt request signal is sent to the interrupt controller.
When the interrupt controller receives an interrupt request, it sets the interrupt request flag.
From among the interrupts with interrupt request flags set to 1, the interrupt controller selects
the interrupt request with the highest priority and holds the others pending. (Refer to table 3-2
for a list of interrupt priorities.)
The interrupt controller checks the I bit of CCR. If the I bit is 0, the selected interrupt request
is accepted; if the I bit is 1, the interrupt request is held pending.
External or
internal
interrupts
External
interrupts or
internal
interrupt
enable
signals
Figure 3-2 Block Diagram of Interrupt Controller
Interrupt controller
I
CCR (CPU)
Interrupt
request
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