EFM8UB20F32G-A-QFN32 datasheet(11/50 Pages) SILABS

Part #	EFM8UB20F32G-A-QFN32

Description	The EFM8UB2 highlighted features are listed below

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Manufacturer	SILABS [Silicon Laboratories]

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Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

ADC0 Supply Current

IADC

Operating at 500 ksps

VDD = 3.0 V

—

750

1000

μA

On-chip Precision Reference

IVREFP

—

75

—

µA

Temperature Sensor

ITSENSE

—

35

—

μA

Comparator 0 (CMP0, CMP1)

ICMP

CPMD = 11

—

1

—

μA

CPMD = 10

—

4

—

μA

CPMD = 01

—

10

—

μA

CPMD = 00

—

20

—

μA

Voltage Supply Monitor (VMON0)

IVMON

—

15

50

μA

Regulator Bias Currents

IVREG

Both Regulators in Normal Mode

—

200

—

μA

Both Regulators in Low Power

Mode

—

100

—

μA

5 V Regulator Off, Internal LDO in

Low Power Mode

—

150

—

μA

USB (USB0) Full-Speed

IUSB

Active

—

8

—

mA

Note:

1. Currents are additive. For example, where IDD is specified and the mode is not mutually exclusive, enabling the functions increa-

ses supply current by the specified amount.

2. Includes supply current from regulators, supply monitor, and High Frequency Oscillator.

3. Includes supply current from regulators, supply monitor, and Low Frequency Oscillator.

Table 4.3. Reset and Supply Monitor

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

VDD Supply Monitor Threshold

VVDDM

2.60

2.65

2.70

V

VDD Ramp Time

tRMP

Time to VDD > 2.7 V

—

1

ms

Reset Delay from non-POR source tRST

Time between release of reset

source and code execution

—

250

μs

RST Low Time to Generate Reset

tRSTL

15

—

μs

Missing Clock Detector Response

Time (final rising edge to reset)

tMCD

FSYSCLK >1 MHz

80

580

800

μs

VDD Supply Monitor Turn-On Time tMON

—

100

μs

Table 4.4. Flash Memory

Parameter

Symbol

Test Condition

Min

Typ

Max

Units

Write Time1

tWRITE

One Byte

10

15

20

μs

Erase Time1

tERASE

One Page

10

15

22.5

ms

VDD Voltage During Programming2 VPROG

2.7

—

3.6

V

Endurance (Write/Erase Cycles)

NWE

10k

100k

—

Cycles

EFM8UB2 Data Sheet

Electrical Specifications

silabs.com | Smart. Connected. Energy-friendly.

Rev. 1.2 | 10

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EFM8UB20F32G-A-QFN32 Datasheet(PDF) 11 Page - Silicon Laboratories

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