UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 118
UPD78F0413GA-GAM-AX
Manufacturer Part Number
UPD78F0413GA-GAM-AX
Description
8BIT UC, 32K FLASH, 1KB RAM, LCD
Manufacturer
NEC
Datasheet
1.UPD78F0413GA-GAM-AX.pdf
(562 pages)
Specifications of UPD78F0413GA-GAM-AX
Controller Family/series
UPD78F
No. Of I/o's
30
Ram Memory Size
1024Byte
Cpu Speed
10MHz
No. Of Timers
8
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
32KB
Oscillator Type
External, Internal
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(9) Internal high-speed oscillation trimming register (HIOTRM)
118
This register corrects the accuracy of the internal high-speed oscillator. The accuracy can be corrected by self-
measuring the frequency of the internal high-speed oscillator, using a subsystem clock using a crystal resonator
or using a timer with high-accuracy external clock input, such as a real-time counter.
HIOTRM can be set by an 8-bit memory manipulation instruction.
Reset signal generation sets HIOTRM to 10H.
Caution
If the temperature or V
fluctuate. Also, if a value other than the initial value (10H) is set to the HIOTRM register, the
oscillation accuracy of the internal high-speed oscillation clock may exceed the MIN. and MAX.
values described in CHAPTER 27 ELECTRICAL SPECIFICATIONS (STANDARD PRODUCTS)
due to the subsequent fluctuation in the temperature or V
setting value.
executed either before frequency accuracy will be required or regularly.
If the temperature or V
DD
CHAPTER 5 CLOCK GENERATOR
pin voltage is changed after accuracy correction, the frequency will
User’s Manual U18698EJ1V0UD
DD
voltage fluctuates, accuracy correction must be
DD
voltage, or HIOTRM register
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