UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 258
UPD78F9222MC(T)-5A4-A
Manufacturer Part Number
UPD78F9222MC(T)-5A4-A
Description
8BIT MCU, 4K FLASH, 256B RAM, 78F9222
Manufacturer
NEC
Datasheet
1.UPD78F9222MCT-5A4-A.pdf
(414 pages)
Specifications of UPD78F9222MC(T)-5A4-A
Controller Family/series
UPD78
No. Of I/o's
17
Ram Memory Size
256Byte
Cpu Speed
10MHz
No. Of Timers
4
No. Of
RoHS Compliant
Core Size
8bit
Program Memory Size
4KB
Oscillator Type
External, Internal
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POC detection voltage
LVI detection voltage
Supply voltage (V
Notes 1.
Remark <1> to <7> in Figure 16-5 above correspond to <1> to <7> in the description of “when starting operation”
Internal reset signal
(set by software)
(set by software)
2.
LVIMK flag
LVION flag
LVIIF flag
LVIF flag
in 16.4 (2) When used as interrupt.
INTLVI
The LVIMK flag is set to “1” by reset signal generation.
An interrupt request signal (INTLVI) may be generated, and the LVIF and LVIIF flags may be set to 1.
(V
(V
POC
LVI
DD
)
Figure 16-5. Timing of Low-Voltage Detector Interrupt Signal Generation
)
)
<2>
<1>
Note 1
Note 2
Note 2
Note 2
<3>
<5>
<6>
Cleared by software
<7> Cleared by software
CHAPTER 16 LOW-VOLTAGE DETECTOR
<4> 0.2 ms or longer
User’s Manual U16898EJ5V0UD
Time
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