HD64F3048F16 Renesas Electronics America, HD64F3048F16 Datasheet - Page 91
HD64F3048F16
Manufacturer Part Number
HD64F3048F16
Description
IC H8 MCU FLASH 128K 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of HD64F3048F16
Core Processor
H8/300H
Core Size
16-Bit
Speed
8MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
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-QFP
Package
100PQFP
Family Name
H8
Maximum Speed
16 MHz
Operating Supply Voltage
5 V
Data Bus Width
16|32 Bit
Number Of Programmable I/os
70
Interface Type
SCI
On-chip Adc
8-chx10-bit
On-chip Dac
2-chx8-bit
Number Of Timers
5
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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2.8.3
The exception-handling state is a transient state that occurs when the CPU alters the normal
program flow due to a reset, interrupt, or trap instruction. The CPU fetches a starting address from
the exception vector table and branches to that address. In interrupt and trap exception handling
the CPU references the stack pointer (ER7) and saves the program counter and condition code
register.
Types of Exception Handling and Their Priority: Exception handling is performed for resets,
interrupts, and trap instructions. Table 2.14 indicates the types of exception handling and their
priority. Trap instruction exceptions are accepted at all times in the program execution state.
Table 2.14 Exception Handling Types and Priority
Priority
High
Low
Note:
Figure 2.12 classifies the exception sources. For further details about exception sources, vector
numbers, and vector addresses, see section 4, Exception Handling, and section 5, Interrupt
Controller.
Exception
sources
* Interrupts are not detected at the end of the ANDC, ORC, XORC, and LDC instructions,
Exception-Handling State
Type of
Exception
Reset
Interrupt
Trap instruction
or immediately after reset exception handling.
Reset
Interrupt
Trap instruction
Figure 2.12 Classification of Exception Sources
Detection Timing
Synchronized with clock
End of instruction
execution or end of
exception handling *
When TRAPA instruction
is executed
External interrupts
Internal interrupts (from on-chip supporting modules)
Rev. 3.00 Sep 27, 2006 page 63 of 872
Start of Exception Handling
Exception handling starts immediately
when RES changes from low to high
When an interrupt is requested,
exception handling starts at the end of
the current instruction or current
exception-handling sequence
Exception handling starts when a trap
(TRAPA) instruction is executed
REJ09B0325-0300
Section 2 CPU
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