DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 178
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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Section 5 Interrupt Controller
5.4
5.4.1
With this LSI, it is possible to identify the prefetch of a specific address by the CPU and generate
an address break interrupt, using the ABRKCR and BAR registers. When an address break
interrupt is generated, address break interrupt exception handling is executed.
This function can be used to detect the beginning of execution of a bug location in the program,
and branch to a correction routine.
5.4.2
A block diagram of the address break function is shown in figure 5.5.
Rev. 4.00 Sep 27, 2006 page 132 of 1130
REJ09B0327-0400
Internal address
Prefetch signal
(internal signal)
Address Breaks
Features
Block Diagram
Figure 5.5 Block Diagram of Address Break Function
Comparator
BAR
Match
signal
Control logic
ABRKCR
Address break
interrupt request
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