UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 591

• Manufacturer Part Number: UPD78F0890GK(A)-GAJ-AX
• Description: 8BIT MCU, 128K FLASH, 7K RAM, LQFP
• Manufacturer: NEC

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

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
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