AT90PWM2B-16SU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT90PWM2B-16SU

8-bit Atmel Microcontroller with 8K Bytes In-System Programmable Flash

Atmel Corporation 

AT90PWM2/3/2B/3B

9.1.2

1. When the BOD is enabled (by programming the BODLEVEL [2..0] Fuse).

2. When the bandgap reference is connected to the Analog Comparator (by setting the

ACBG bit in ACSR).

3. When the ADC is enabled.

4. When the DAC is enabled.

Thus, when the BOD is not enabled, after setting the ACBG bit or enabling the ADC or the DAC,

the user must always allow the reference to start up before the output from the Analog Compar-

ator or ADC or DAC is used. To reduce power consumption in Power-down mode, the user can

avoid the three conditions above to ensure that the reference is turned off before entering

Power-down mode.

Voltage Reference Characteristics

Table 9-4. Internal Voltage Reference Characteristics(1)

Symbol Parameter

Condition Min.

VBG

Bandgap reference voltage

tBG

Bandgap reference start-up time

IBG

Bandgap reference current

consumption

Note: 1. Values are guidelines only.

Typ.

1.1

40

15

Max.

Units

V

µs

µA

51

4317K–AVR–03/2013

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