UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 258

• Manufacturer Part Number: UPD78F9222MC(T)-5A4-A
• Description: 8BIT MCU, 4K FLASH, 256B RAM, 78F9222
• Manufacturer: NEC

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

258
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