MAXQ2010-RFX+ datasheet(5/34 Pages) MAXIM

5 / 34 page

16-Bit Mixed-Signal Microcontroller

with LCD Interface

_______________________________________________________________________________________

RECOMMENDED DC OPERATING CONDITIONS (continued)

(VDVDD = VAVDD = 2.7V to 3.6V, TA = -40°C to +85°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input High Voltage on HFXIN

and 32KIN

VIH1

0.75 x

VDVDD

Input High Voltage on All Other

Pins

VIH2

0.70

VDVDD

Input Hysteresis (Schmitt)

VIHYS

0.18

Output Low Voltage for All Port

Pins (Note 10)

VOL

IOL = +4mA

DGND

0.4

Output High Voltage for All Port

Pins (Note 10)

VOH

IOH = -4mA

VDVDD

- 0.4

I/O Pin Capacitance

CIO

Guaranteed by design

I/O Pin Capacitance SCL, SDA

(Note 11)

CIO_I2C

Guaranteed by design

RST Pullup Resistance

RRST

Input Low Current for RST Pin

IIL1

VIN = 0.4V

-85

-30

μA

Input Low Current for All Other

Pins

IIL2

VIN = 0.4V

-85

-30

μA

Input Leakage Current

Internal pullup disabled

-150

+150

Input Pullup Resistor

RPU

CLOCK SOURCE

External Clock Frequency

fHFIN

MHz

External Clock Period

tCLCL

100

External Clock Duty Cycle

tXCLK_DUTY

System Clock Frequency

fCK

MHz

FREQUENCY-LOCKED LOOP (FLL)

FLL Output Frequency

fFLL

f32KIN = 32.768kHz

8.4

MHz

FLL Output Frequency Delta

fFLL

f32KIN = 32.768kHz

1.5

±5

Note 1:

Specifications to -40°C are guaranteed by design and are not production tested.

Note 2:

Typical value presented for reference only. Do not draw current from this pin.

Note 3:

FLL disabled. Crystal connected across HFXIN and HFXOUT. Operating in divide-by-1 mode. Measured on the DVDD pin

and part executing program code from flash. All inputs are connected to GND or DVDD. Outputs do not source/sink any

current. Timer B enabled.

Note 4:

This parameter is guaranteed by design and is not production tested.

Note 5:

FLL enabled. f32KIN = 32.768kHz, HFXIN = disconnected, FLL = 8.39MHz, measured on the DVDD pin, part executing

program code from flash. All inputs are connected to GND or DVDD. Outputs do not source/sink any current. Timer B

enabled.

Note 6:

ISTOP is the total current into the device when the device is in stop mode. This includes both the digital and analog current

(current into DVDD and AVDD).

Note 7:

Regulator, brownout monitor, LCD, and RTC disabled.

Note 8:

Regulator, brownout monitor, and LCD disabled; RTC enabled.

Note 9:

Regulator enabled, brownout monitor enabled, and LCD and RTC disabled.

Note 10: IOH(MAX) + IOL(MAX) for all outputs combined should not exceed 35mA to meet the specification.

Note 11: When DVDD is switched off, SDA and SCL may obstruct the line.

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