DF2345TE20 Renesas Electronics America, DF2345TE20 Datasheet - Page 132
DF2345TE20
Manufacturer Part Number
DF2345TE20
Description
MCU 5V 128K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.DF2345TE20V.pdf
(929 pages)
Specifications of DF2345TE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
71
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 8x10b; D/A 2x8b
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
-
Other names
HD64F2345TE20
HD64F2345TE20
HD64F2345TE20
Available stocks
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Part Number:
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Manufacturer:
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Section 5 Interrupt Controller
As shown in table 5.3, multiple interrupts are assigned to one IPR. Setting a value in the range
from H'0 to H'7 in the 3-bit groups of bits 6 to 4 and 2 to 0 sets the priority of the corresponding
interrupt. The lowest priority level, level 0, is assigned by setting H'0, and the highest priority
level, level 7, by setting H'7.
When interrupt requests are generated, the highest-priority interrupt according to the priority
levels set in the IPR registers is selected. This interrupt level is then compared with the interrupt
mask level set by the interrupt mask bits (I2 to I0) in the extend register (EXR) in the CPU, and if
the priority level of the interrupt is higher than the set mask level, an interrupt request is issued to
the CPU.
5.2.3
IER is an 8-bit readable/writable register that controls enabling and disabling of interrupt requests
IRQ7 to IRQ0.
IER is initialized to H'00 by a reset and in hardware standby mode.
Bits 7 to 0—IRQ7 to IRQ0 Enable (IRQ7E to IRQ0E): These bits select whether IRQ7 to
IRQ0 are enabled or disabled.
Bit n
IRQnE
0
1
Rev. 4.00 Feb 15, 2006 page 106 of 900
REJ09B0291-0400
Bit
Initial value
R/W
IRQ Enable Register (IER)
Description
IRQn interrupts disabled
IRQn interrupts enabled
:
:
:
IRQ7E
R/W
7
0
IRQ6E
R/W
6
0
IRQ5E
R/W
5
0
IRQ4E
R/W
4
0
IRQ3E
R/W
3
0
IRQ2E
R/W
2
0
IRQ1E
R/W
1
0
(Initial value)
(n = 7 to 0)
IRQ0E
R/W
0
0
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