HD64F38024DV Renesas Electronics America, HD64F38024DV Datasheet - Page 316

• 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: -

10.1.3 Floating-Point Number Specifications
(1) Internal Representation of Floating-Point Numbers
float type
double type and long double type
302
31
63
The internal representation format consists of the following parts:
Floating-point numbers handled by this compiler are internally represented in the standard
IEEE format. This section outlines the internal representation of floating-point numbers in the
IEEE format.
(a) Format for internal representation
(b) Structure of internal representation
float types are represented in the IEEE single-precision (32-bit) format, while double types
and long double types are represented in the IEEE double-precision (64-bit) format.
Figure 10.1 shows the structure of the internal representation of float, double, and long
double types.
i. Sign
ii. Exponent
iii. Mantissa
Sign (1 bit)
Sign (1 bit)
Figure 10.1 Structure of Internal Representation of Floating-Point Numbers
30
62
Shows the sign of the floating-point number. 0 is positive, and 1 is negative.
Shows the exponent of the floating-point number to the power of 2.
Shows the data corresponding to the significant digits of the floating-point number.
Exponent (8 bits)
Exponent (11 bits)
23 22
52 51
Mantissa (23 bits)
Mantissa (52 bits)
0
0