UPD78F0138 NEC, UPD78F0138 Datasheet - Page 424

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

424
Input voltage = 2.7 to 5.5 V
Input voltage = 4.0 to 5.5 V
(b) When connecting REGC pin to V
1 F
(recommended)
Figure 24-2. REGC Pin Connection
REGC
V
REGC
CHAPTER 24 REGULATOR
DD
V
User’s Manual U16228EJ2V0UD
DD
(a) When REGC = V
REG
REG
Voltage supply to oscillator/internal logic = 2.7 to 5.5 V
DD
SS
Voltage supply to oscillator/internal logic = 3.5 V
via a capacitor