HD6473937RXV Renesas Electronics America, HD6473937RXV Datasheet - Page 86
HD6473937RXV
Manufacturer Part Number
HD6473937RXV
Description
MCU 3/5V 60K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300L SLPr
Datasheet
1.HD6473937RXV.pdf
(523 pages)
Specifications of HD6473937RXV
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
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Manufacturer
Quantity
Price
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Part Number:
HD6473937RXV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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7. Wakeup Edge Select Register (WEGR)
WEGR is an 8-bit read/write register that specifies rising or falling edge sensing for pins WKPn.
WEGR is initialized to H'00 by a reset.
Bit n: WKPn edge select (WKEGSn)
Bit n selects WKPn pin input sensing.
Bit n
WKEGS
0
1
3.3.3
There are 12 external interrupts: IRQ
1. Interrupts WKP
Interrupts WKP
WKP
rising or falling edge is input, the corresponding bit in IWPR is set to 1, requesting an interrupt.
Recognition of wakeup interrupt requests can be disabled by clearing the IENWP bit to 0 in
IENR1. These interrupts can all be masked by setting the I bit to 1 in CCR.
When WKP
number 9 is assigned to interrupts WKP
vector number, so the interrupt-handling routine must discriminate the interrupt source.
2. Interrupts IRQ
Interrupts IRQ4 to IRQ
detected by either rising edge sensing or falling edge sensing, depending on the settings of bits
IEG
72
Bit
Initial value
Read/Write
4
0
to IEG
. When these pins are designated as pins WKP
External Interrupts
7
1
to WKP
in IEGR.
Description
WKPn pin falling edge detected
WKPn pin rising edge detected
7
WKEGS7
to WKP
4
7
R/W
to IRQ
to WKP
7
0
0
interrupt exception handling is initiated, the I bit is set to 1 in CCR. Vector
1
are requested by input signals to pins IRQ
0
1
are requested by either rising or falling edge input to pins WKP
WKEGS6
0
R/W
6
0
WKEGS5
4
to IRQ
R/W
7
5
0
to WKP
0
and WKP
WKEGS4
0
R/W
. All eight interrupt sources have the same
4
0
7
to WKP
7
WKEGS3
to WKP
R/W
3
0
0
in port mode register 5 and a
0
WKEGS2
4
.
to IRQ
R/W
2
0
1
. These interrupts are
WKEGS1
R/W
1
0
(initial value)
WKEGS0
(n = 7 to 0)
R/W
7
0
0
to
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