MS51 datasheet(39/53 Pages) NUVOTON

39 / 53 page

MS51

Jan. 29, 2019

Page 39 of 53

Rev 1.00

7.4 Analog Characteristics

7.4.1

Reset and Power Control Block Characteristics

The parameters in below table are derived from tests performed under ambient temperature.

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

IPOR

[*1]

POR operating current

µA

AVDD = 5.5V

ILVR

[*1]

LVR operating current

0.5

AVDD = 5.5V

IBOD

[*1]

BOD operating current

0.5

2.9

AVDD = 5.5V

VPOR

POR reset voltage

1.15

1.3

VLVR

LVR reset voltage

1.7

2.0

2.4

VBOD

BOD brown-out detect voltage

4.25

4.4

4.55

BOV[1:0] = [0,0]

3.55

3.7

3.85

BOV[1:0] = [0,1]

2.60

2.7

2.80

BOV[1:0] = [1,0]

2.10

2.2

2.30

BOV[1:0] = [1,1]

TLVR_SU

[*1]

LVR startup time

µs

TLVR_RE

[1]

LVR respond time

0.4

Fsys = HIRC@16MHz

180

350

Fsys = LIRC

TBOD_SU

[1]

BOD startup time

180

320

Fsys = HIRC@16MHz

TBOD_RE

[1]

BOD respond time

2.5

Fsys = HIRC@16MHz

Notes:

1. Guaranteed by characterization, not tested in production.

2. Design for specified applcaiton.

Table 7.4-1 Reset and power control unit

RVDDR

VPOR

VDD

Time

RVDDF

VLVR

VBOD

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