HD64F38024DV Renesas Electronics America, HD64F38024DV Datasheet - Page 448
![IC H8/SLP MCU FLASH 80QFP](/photos/12/20/122049/hd64f38024dv_sml.jpg)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F38024DV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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float atan2f(float y, float x)
Description:
Header file:
Return values:
Example:
Error conditions:
Remarks:
434
Parameters:
Computes the arc tangent of the division of two floating-point numbers.
Abnormal:
A domain error occurs if the values of both x and y are 0.0.
<mathf.h>
Normal:
x
The atan2f function returns the arc tangent in the range (– , ] by the radian.
The meaning of the atan2f function is illustrated in figure 10.6. As shown in the
figure, the result of the atan2f function is the angle between the X-axis and a
straight line passing through the origin and point (x, y).
depending on whether y is positive or negative.
y
#include <mathf.h>
float x, y, ret;
If y = 0.0 and x is negative, the result is . If x = 0.0, the result is ± /2,
ret=atan2f(y, x);
Figure 10.6 Meaning of atan2f Function
In case of domain error: Returns not-a-number.
Dividend
Arc tangent value when y is divided by x
Divisor
y
Y
(x, y)
x
atan2f (y, x)
X
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