upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 747

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

20.1 Outline
The V850E/RS1 has an on-chip regulator to lower the power consumption and noise.
This regulator supplies a stepped-down V
logic circuits (except the A/D converter and I/O buffer).
The regulator output voltage is set to 2.5 V (
4.0 V ~ 5.5 V
Level shifter
Bi-direction
I/O Buffer
REGC0
AV
AV
V
V
V
DD 1
DD 0
SS0
DD
X2
X1
SS
Figure 20-1: Regulator Block Diagram
User’s Manual U16702EE3V2UD00
Oscillator
circuit
Chapter 20 Regulator
A/D Converter
4.5 V ~ 5.5 V
DD
±
power supply voltage to the oscillator block and internal
0.2 V).
Regulator 1
External digital circuits
2.5 V
External Bus I/F
4.0 V ~ 5.5 V
BV
I/O Buffer
DD
BV
BV
SS
DD
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