UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 256

• 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

256
POC detection voltage
LVI detection voltage
Supply voltage (V
Notes 1.
Remark <1> to <6> in Figure 16-4 above correspond to <1> to <6> in the description of “when starting operation”
Internal reset signal
POC reset signal
(set by software)
(set by software)
(set by software)
LVI reset signal
LVIRF flag
LVION flag
2.
3.
LVIMD flag
LVIMK flag
LVIF flag
in 16.4 (1) When used as reset.
The LVIMK flag is set to “1” by reset input.
The LVIF flag may be set (1).
LVIRF is bit 0 of the reset control flag register (RESF). For details of RESF, refer to CHAPTER 14
RESET FUNCTION.
(V
(V
Note 3
Figure 16-4. Timing of Low-Voltage Detector Internal Reset Signal Generation
POC
LVI
DD
)
)
)
<2>
H
Note 1
<1>
Note 2
<3>
<5>
<6>
CHAPTER 16 LOW-VOLTAGE DETECTOR
<4> 0.2 ms or longer
Not cleared
Not cleared
User’s Manual U16898EJ5V0UD
Cleared by
software
Not cleared
Not cleared
Cleared by
software
Clear
Clear
Clear
Time