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Low speed internal (LSICLK) RC oscillator

Table 22 LSICLK Oscillator Characteristics

Symbol

Parameter

Minimum

value

Typical

value

Maximum

value

Unit

fLSICLK

Frequency (VDD =2-3.6V, TA =-40~105

℃)

KHz

IDD(LSICLK)

Power consumption of LSICLK oscillator

0.56

μA

tSU(LSICLK)

LSICLK oscillator startup time, (VDD=3.3V, TA=-40~105

℃)

74.8

μs

Note: It is obtained from a comprehensive evaluation and is not tested in production.

5.5.3.

PLL Characteristics

Table 23 PLL Characteristics

Symbol

Parameter

Numerical Value

Unit

Minimum

value

Typical

value

Maximum

value

fPLL_IN

PLL input clock

MHz

PLL input clock duty cycle

fPLL_OUT

PLL frequency doubling output clock, (VDD=3.3V, TA=-

40~105

℃)

120

MHz

tLOCK

PLL phase locking time

200

μs

Note: It is obtained from a comprehensive evaluation and is not tested in production.

5.6.

Reset and power management

5.6.1.

Test of embedded reset and power control block characteristics

Table 24 Embedded Reset and Power Control Block Characteristics

Symbol

Parameter

Conditions

Minimum value

Typical value

Maximum value

Unit

VPOR/PDR

Power-on/power-

down reset

threshold

Falling edge

1.84

1.86

1.88

Rising edge

1.90

1.92

1.93

VPDRhyst

PDR hysteresis

50.00

54.00

60.00

TRSTTEMPO

Reset duration

0.90

1.39

4.90

Note: It is obtained from a comprehensive evaluation and is not tested in production.

Table 25 Programmable Power Supply Voltage Detector Characteristics

Symbol

Parameter

Conditions

Minimum

value

Typical

value

Maximum

value

Unit

VPVD

Programmable

power supply

voltage

detector

PLS[2:0]=000 (rising edge)

2.17

2.20

PLS[2:0]=000 (falling edge)

2.06

2.10

PLS[2:0]=000(PVD hysteresis)

100

110

PLS[2:0]=001 (rising edgeg)

2.27

2.30

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