HD64F38024DV Renesas Electronics America, HD64F38024DV Datasheet - Page 361

• Manufacturer Part Number: HD64F38024DV
• Description: IC H8/SLP MCU FLASH 80QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300L SLPr

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: -

#pragma global_register
_ _global_register
Description Format: #pragma global_register (<variable name>=<register name>[,…])
Description:
Example:
Remarks:
_ _global_register(<register name>) <type specifier> <variable name>
<type specifier> _ _global_register(<register name>) <variable name>
Allocates the global variable specified in <variable name> to the register
specified in <register name>.
#pragma global_register(x=R4)
int x;
_ _global_register(R5L) char y;
void func1(void)
{
}
void func2(void)
{
}
void func(int
}
}
1.
2.
3.
x++;
y=0;
x = a;
func1();
func2();
<variable name>: Local variable and C++ non-static member data
<register name>: ER4, ER5 (R4, R5 for H8/300)
The variables defined and declared after the #pragma global_register
This function is used for a simple or pointer type variable in the global
variable. Do not specify a double type variable.
The initial value cannot be set. In addition, the address cannot be
referenced.
are the target variables.
a)
cannot be specified
/* External variable */
/* x is allocated to */
/* R4
/* y is allocated to */
/* R5L
/* External variable */
*/
*/
347