UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 591
![8BIT MCU, 128K FLASH, 7K RAM, LQFP](/photos/19/1/190186/ge64lqfp05-40_sml.jpg)
UPD78F0890GK(A)-GAJ-AX
Manufacturer Part Number
UPD78F0890GK(A)-GAJ-AX
Description
8BIT MCU, 128K FLASH, 7K RAM, LQFP
Manufacturer
NEC
Datasheet
1.UPD78F0890GKA-GAJ-AX.pdf
(732 pages)
Specifications of UPD78F0890GK(A)-GAJ-AX
Controller Family/series
UPD78F
No. Of I/o's
55
Ram Memory Size
7KB
Cpu Speed
20MHz
No. Of Timers
10
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
128KB
Oscillator Type
External, Internal
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external input pin (EXLVI)
Notes 1.
Remark <1> to <8> in Figure 22-8 above correspond to <1> to <8> in the description of “When starting
Input voltage from
(set by software)
(set by software)
(set by software)
(set by software) L
2.
LVISEL flag
LVIMK flag
LVION flag
LVIMD flag
operation” in 22.4.2 (2) When detecting level of input voltage from external input pin (EXLVI).
LVIIF flag
LVIF flag
The LVIMK flag is set to “1” by reset signal generation.
The interrupt request signal (INTLVI) is generated and the LVIF and LVIIF flags may be set (1).
INTLVI
V
EXLVI
Figure 22-8. Timing of Low-Voltage Detector Interrupt Signal Generation
(Detects Level of Input Voltage from External Input Pin (EXLVI))
<2>
Note 2
Note 2
Note 2
<1>
Note 1
<3>
<6>
Cleared by software
CHAPTER 22 LOW-VOLTAGE DETECTOR
<7> Cleared by software
<5>
<8>
<4> Wait time
User’s Manual U17554EJ4V0UD
Time
591
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