HD64F38024DV Renesas Electronics America, HD64F38024DV Datasheet - Page 424
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
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F38024DV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 12 A/D Converter
12.3
12.3.1
The A/D converter operates by successive approximations, and yields its conversion result as 10-
bit data.
A/D conversion begins when software sets the A/D start flag (bit ADSF) to 1. Bit ADSF keeps a
value of 1 during A/D conversion, and is cleared to 0 automatically when conversion is complete.
The completion of conversion also sets bit IRRAD in interrupt request register 2 (IRR2) to 1. An
A/D conversion end interrupt is requested if bit IENAD in interrupt enable register 2 (IENR2) is
set to 1.
If the conversion time or input channel needs to be changed in the A/D mode register (AMR)
during A/D conversion, bit ADSF should first be cleared to 0, stopping the conversion operation,
in order to avoid malfunction.
12.3.2
The A/D converter can be made to start A/D conversion by input of an external trigger signal.
External trigger input is enabled at pin ADTRG when bit IRQ4 in PMR1 is set to 1 and bit TRGE
in AMR is set to 1. Then when the input signal edge designated in bit IEG4 of interrupt edge
select register (IEGR) is detected at pin ADTRG, bit ADSF in ADSR will be set to 1, starting A/D
conversion.
Figure 12.2 shows the timing.
Rev. 8.00 Mar. 09, 2010 Page 402 of 658
REJ09B0042-0800
φ
Pin ADTRG
(when bit
IEG4 = 0)
ADSF
A/D Conversion Operation
Start of A/D Conversion by External Trigger Input
Operation
Figure 12.2 External Trigger Input Timing
A/D conversion
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