DF2398F20V Renesas Electronics America, DF2398F20V Datasheet - Page 101
DF2398F20V
Manufacturer Part Number
DF2398F20V
Description
IC H8S/2300 MCU FLASH 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of DF2398F20V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
87
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K 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
128-QFP
For Use With
YR0K42378FC000BA - KIT EVAL FOR H8S/2378
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Quantity
Price
Company:
Part Number:
DF2398F20V
Manufacturer:
Renesas Electronics America
Quantity:
135
Company:
Part Number:
DF2398F20V
Manufacturer:
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Quantity:
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4.1
4.1.1
As table 4-1 indicates, exception handling may be caused by a reset, trap instruction, or interrupt. Exception handling is
prioritized as shown in table 4-1. If two or more exceptions occur simultaneously, they are accepted and processed in
order of priority. Trap instruction exceptions are accepted at all times, in the program execution state.
Exception handling sources, the stack structure, and the operation of the CPU vary depending on the interrupt control
mode set by the INTM0 and INTM1 bits of SYSCR.
Table 4-1
Notes: 1. Traces are enabled only in interrupt control mode 2. Trace exception handling is not executed after execution
2. Interrupt detection is not performed on completion of ANDC, ORC, XORC, or LDC instruction execution, or on
3. Trap instruction exception handling requests are accepted at all times in program execution state.
4. Manual reset is only supported in the H8S/2357 ZTAT.
Overview
Exception Handling Types and Priority
of an RTE instruction.
completion of reset exception handling.
Priority
High
Low
Exception Types and Priority
Exception Type
Reset
Trace*
Interrupt
Trap instruction (TRAPA)*
1
Section 4 Exception Handling
3
Start of Exception Handling
Starts immediately after a low-to-high transition at the RES
pin, or when the watchdog timer overflows. The CPU enters
the power-on reset state when the NMI pin is high, or the
manual reset*
Starts when execution of the current instruction or exception
handling ends, if the trace (T) bit is set to 1
Starts when execution of the current instruction or exception
handling ends, if an interrupt request has been issued*
Started by execution of a trap instruction (TRAPA)
4
state when the NMI pin is low.
Rev.6.00 Oct.28.2004 page 71 of 1016
REJ09B0138-0600H
2
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