Rainbow-electronics Atmega169L Manual do Utilizador descarregar pdf (Página 300)

300

ATmega169V/L

2514A–AVR–08/02

ADC Characteristics – Preliminary Data

LCD Controller Characteristics – Preliminary Data

Table 135. ADC Characteristics

Symbol Parameter Condition Min Typ Max Units

Resolution Single Ended Conversion TBD TBD TBD Bits

Absolute accuracy

Single Ended Conversion

REF

=4V

ADC clock = 200 kHz

ADHSM = 0

TBD TBD TBD LSB

Single Ended Conversion

REF

=4V

ADC clock = 1 MHz

ADHSM = 1

TBD TBD TBD LSB

Integral Non-Linearity V

REF

= 4V TBD TBD TBD LSB

Differential Non-Linearity V

REF

= 4V TBD TBD TBD LSB

Zero Error (Offset) V

REF

= 4 TBD TBD TBD LSB

Conversion Time Free Running Conversion

ADHSM = 0

TBD TBD TBD

µs

Free Running Conversion

ADHSM = 1

TBD TBD TBD

µs

Clock Frequency ADHSM = 0 TBD TBD TBD kHz

ADHSM = 1 TBD TBD TBD kHz

AVCC Analog Supply Voltage TBD TBD TBD V

REF

Reference Voltage Single Ended Conversion TBD TBD TBD V

Input voltage Single ended channels TBD TBD TBD

Input bandwidth Single ended channels TBD TBD TBD kHz

INT

Internal Voltage Reference TBD TBD TBD V

REF

Reference Input Resistance TBD TBD TBD kΩ

AIN

Analog Input Resistance TBD TBD TBD MΩ

HSM

Increased current

consumption in High-Speed

mode (ADHSM=1)

TBD TBD TBD

µA

Table 136. LCD Controller Characteristics

Symbol Parameter Condition Min Typ Max Units

LCD

LCD Driver Current Total for All COM and SEG pins 100 µA

LCD

LCD Driver Output Resistance Per COM or SEG pin 10 kΩ

1 2 ... 295 296 297 298 299 300 301 302 303 304 305 ... 316 317

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