Rainbow-electronics MAXQ7670 Manual de usuario descargar pdf (Pagina 6)

MAXQ7670

Microcontroller with 10-Bit ADC,

PGA, 64KB Flash, and CAN Interface

6 _______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

DVDDIO

= +5.0V, V

AVDD

= +3.3V, V

DVDD

= +2.5V, V

REFADC

= +3.3V, system clock = 16MHz. T

= T

MIN

to T

MAX

, unless otherwise

noted. Typical values are at T

= +25°C.) (Note 1)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

HIGH-FREQUENCY CRYSTAL OSCILLATOR

Using external crystal 8 or 16 16

Clock Frequency

External input (Note 10) 0.166 16.67

MHz

Stability Excluding crystal drift 25 ppm

Startup Time f

SYSCLK

cycles 65,535 Cycles

XIN Input Low Voltage Driven with external clock source

0.3 x

DVDD

XIN Input High Voltage Driven with external clock source

0.7 x

DVDD

INTERNAL FIXED-FREQUENCY OSCILLATOR

Frequency f

IFFCLK

= T

MIN

to T

MAX

13.8 15 16.35 MHz

Tolerance T

= +25°C ±0.4 %

Temperature Drift T

= T

MIN

to T

MAX

Power-Supply Rejection T

= +25°C, DV

= 2.25V to 2.75V ±1.5 %

RESET (RESET)

RESET Internal Pullup

Resistance

Pulled up to DVDDIO 55 kΩ

RESET Output Low Voltage RESET asserted, no external load 0.4 V

RESET Output High Voltage RESET deasserted, no external load

0.9 x

DVDDIO

RESET Input Low Voltage Driven with external clock source

0.3 x

DVDD

RESET Input High Voltage Driven with external clock source

0.7 x

DVDDIO

DIGITAL INPUTS (P0._, CANRXD, MISO, MOSI, SS, SCLK, TCK, TDI, TMS)

Input Low Voltage 0.8 V

Input High Voltage 2.1 V

Input Hysteresis 500 mV

Input Leakage Current

= GNDIO or V

DVDDIO

pullup disabled

-10 ±0.01 +10 µA

Input Pullup Resistance 55 kΩ

Input Pulldown Resistance 55 kΩ

Input Capacitance 15 pF

DIGITAL OUTPUTS (P0._, CANTXD, MOSI, SCLK, SS, TDO)

Output Low Voltage I

SINK

= 0.5mA 0.4 V

Output High Voltage I

SOURCE

= 0.5mA

DVDDIO

- 0.5

1 2 3 4 5 6 7 8 9 10 11 ... 36 37

MAXQ7670 1

Comentarios a estos manuales

Sin comentarios

Rainbow-electronics MAXQ7670 Manual de usuario Pagina 6

Comentarios a estos manuales

Relacionado con productos y manuales para Sensores Rainbow-electronics MAXQ7670