Rainbow-electronics ATmega8HVD Manual do Utilizador descarregar pdf (Página 141)

141

8052B–AVR–09/08

ATmega4HVD/8HVD

25. Operating Circuit

Figure 25-1. Operating Circuit Diagram

Notes: 1. Optional. The chip can operate without Charge FET.

2. Optional. Only needed for External Protection Input.

3. Optional. Only if external thermistor is used.

ATmega4HVD/8HVD

VFET

PV1

VREG

PB2

PB1

PB0

PC1

GND

10m

470

CREG

2.2 uF

0.1uF

PC0

BATT +

BATT -

BATT

VCC

CVCC

0.1 uF

SPI-programming

RESET

GND

(1)

(External Protection Input)

(Serial Communication)

SENSE

(ADC0)

(SGND)

ADC

(3)

(2)

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Rainbow-electronics ATmega8HVD Manual do Utilizador Página 141