HD64F38024DV Renesas Electronics America, HD64F38024DV Datasheet - Page 61
HD64F38024DV
Manufacturer Part Number
HD64F38024DV
Description
IC H8/SLP MCU FLASH 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300L SLPr
Datasheets
1.US38024-BAG1.pdf
(684 pages)
2.DF36012GFYV.pdf
(1021 pages)
3.DF38102HV.pdf
(145 pages)
Specifications of HD64F38024DV
Core Processor
H8/300L
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI
Peripherals
LCD, PWM, WDT
Number Of I /o
51
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Part Number:
HD64F38024DV
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CMncode: Common Expression Optimization
C/C++ <Other>[Miscellaneous options :] [Put common subexpression on a register temporarily]
EEpmov: Block Transfer Instruction
C/C++ <Other>[Miscellaneous options :] [Use EEPMOVE in block copy]
Command Line Format
CMncode
Description
Increases the number of target expressions for the optimization that converts a common
subexpression into a temporary variable.
In general, when the number of target expressions for common subexpression optimization is
increased by specifying this option, the temporary variables are allocated to registers and the
performance of the object program is improved. However, when there are not enough registers,
temporary variables are allocated to memory and the performance may be lowered. Use this
option examining the performance of the program at performance tuning.
Remarks
This option is valid only when the CPU type is H8/300, H8/300H or CPU type is H8S (with
legacy=v4 option)).
Command Line Format
EEpmov
Description
Expands the assignment statements of structures and initial value assignment expressions for
the arrays declared by local variables as the block transfer instruction(s). If the CPU is H8SX,
the MOVMD instruction is used. Otherwise, the EEPMOV instruction is used. If the transfer
size is too large for a block transfer instruction, a run-time routine will be used.
When this option is not specified, the compiler expands then to the MOV instructions or run-
time routines.
Remarks
For H8/300H and H8S(with legacy=v4 option), if an interrupt is accepted during the
EEPMOV.W instruction, the control moves to the next instruction after returning from the
interrupt, and therefore the EEPMOV operation result cannot be guaranteed. For source files
including the functions which may accept an interrupt, this option should not be specified.
For H8SX and H8S(without legacy=v4 option), expanded code can work if an interrupt occurs.
47
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