UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 578

• 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

22.2 Configuration of Low-Voltage Detector
22.3 Registers Controlling Low-Voltage Detector
578
V
DD
The block diagram of the low-voltage detector is shown in Figure 22-1.
The low-voltage detector is controlled by the following registers.
• Low-voltage detection register (LVIM)
• Low-voltage detection level selection register (LVIS)
• Port mode register 12 (PM12)
Low-voltage detection level
selection register (LVIS)
EXLVI/P120/
INTP0
Figure 22-1. Block Diagram of Low-Voltage Detector
CHAPTER 22 LOW-VOLTAGE DETECTOR
User’s Manual U17554EJ4V0UD
Reference
voltage
source
Internal bus
N-ch
+
V
DD
Low-voltage detection register
(LVIM)
Internal reset signal
INTLVI