DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 150
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 4 Exception Handling
4.1.2
Exceptions originate from various sources. Trap instructions and interrupts are handled as follows:
1. The program counter (PC) and condition-code register (CCR) are pushed onto the stack.
2. The interrupt mask bits are updated. The T bit is cleared to 0.
3. A vector address corresponding to the exception source is generated, and program execution
For a reset exception, steps 2 and 3 above are carried out.
4.1.3
The exception sources are classified as shown in figure 4.1. Different vector addresses are
assigned to different exception sources.
Table 4.2 lists the exception sources and their vector addresses.
Rev. 4.00 Sep 27, 2006 page 104 of 1130
REJ09B0327-0400
starts from that address.
Exception Handling Operation
Exception Sources and Vector Table
Exception
sources
Reset
Trace
Interrupts
Direct transition
Trap instruction
Figure 4.1 Exception Sources
(Cannot be used in this LSI)
External interrupts: NMI, IRQ7 to IRQ0
Internal interrupts: interrupt sources in
on-chip supporting modules
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