HD6473937W Renesas Electronics America, HD6473937W Datasheet - Page 95
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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Manufacturer
Quantity
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Company:
Part Number:
HD6473937W
Manufacturer:
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Quantity:
10 000
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3.4.2
Notes on Rewriting Port Mode Registers
When a port mode register is rewritten to switch the functions of external interrupt pins, the
following points should be observed.
When an external interrupt pin function is switched by rewriting the port mode register that
controls pins IRQ
to IRQ
, WKP
to WKP
, the interrupt request flag may be set to 1 at the time
4
1
7
0
the pin function is switched, even if no valid interrupt is input at the pin. Be sure to clear the
interrupt request flag to 0 after switching pin functions. Similarly, when the pin function is
switched by rewriting the port mode register that controls IRQ
, the interrupt request flag may be
0
set to 1 at the time the pin function is switched, even if no valid interrupt is input. Therefore, be
sure to clear the interrupt request flag to 0 after switching the pin function. Table 3-5 shows the
conditions under which interrupt request flags are set to 1 in this way.
81
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