HD64F3642AH Renesas Electronics America, HD64F3642AH Datasheet - Page 97

IC H8 MCU FLASH 16K 64QFP

HD64F3642AH

Manufacturer Part Number
HD64F3642AH
Description
IC H8 MCU FLASH 16K 64QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet

Specifications of HD64F3642AH

Core Processor
H8/300L
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
PWM, WDT
Number Of I /o
53
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-

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Figure 3.5 shows a typical interrupt sequence where the program area is in the on-chip ROM and
the stack area is in the on-chip RAM.
SP – 4
SP – 3
SP – 2
SP – 1
SP (R7)
Legend:
PC
PC
CCR:
SP:
Notes:
H
L
:
:
Upper 8 bits of program counter (PC)
Lower 8 bits of program counter (PC)
Condition code register
Stack pointer
2.
1.
Figure 3.4 Stack State after Completion of Interrupt Exception Handling
Register contents must always be saved and restored by word access, starting from
an even-numbered address.
PC shows the address of the first instruction to be executed upon return from the interrupt
handling routine.
Prior to start of interrupt
exception handling
Stack area
saved to stack
PC and CCR
SP (R7)
SP + 1
SP + 2
SP + 3
SP + 4
Rev. 6.00 Sep 12, 2006 page 75 of 526
After completion of interrupt
exception handling
Section 3 Exception Handling
CCR
CCR
PC
PC
H
L
REJ09B0326-0600
Even address

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