DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 181
DF2148RTE20IV
Manufacturer Part Number
DF2148RTE20IV
Description
MCU 5V 128K I-TEMP,PB-FREE, 100-
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148RTE20IV
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
Host Interface, I²C, IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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5.5
5.5.1
Interrupt operations in this LSI differ depending on the interrupt control mode.
NMI and address break interrupts are accepted at all times except in the reset state and the
hardware standby state. In the case of IRQ interrupts and on-chip supporting module interrupts, an
enable bit is provided for each interrupt. Clearing an enable bit to 0 disables the corresponding
interrupt request. Interrupt sources for which the enable bits are set to 1 are controlled by the
interrupt controller.
Table 5.5 shows the interrupt control modes.
The interrupt controller performs interrupt control according to the interrupt control mode set by
the INTM1 and INTM0 bits in SYSCR, the priorities set in ICR, and the masking state indicated
by the I and UI bits in the CPU’s CCR.
Table 5.5
Interrupt
Control Mode INTM1 INTM0
0
1
Interrupt Operation
Interrupt Control Modes and Interrupt Operation
Interrupt Control Modes
0
SYSCR
0
1
Priority Setting
Register
ICR
ICR
Interrupt
Mask Bits Description
I
I, UI
Rev. 4.00 Sep 27, 2006 page 135 of 1130
Interrupt mask control is
performed by the I bit
Priority can be set with ICR
is performed by the I and UI
bits
Priority can be set with ICR
3-level interrupt mask control
Section 5 Interrupt Controller
REJ09B0327-0400
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