4 power supply monitor, 5 supply current, 6 crystal oscillator – Rainbow Electronics 78M6631 User Manual

Page 18: Power supply monitor, Supply current, Crystal oscillator, Table 9: supply current performance specifications

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78M6631 Data Sheet

DS_6631_056

18

Rev 1

2.4.4 Power Supply Monitor

Table 8: Power Supply Monitor Performance Specifications (BME= 1)

Parameter

Condition

Min

Typ

Max

Unit

Load Resistor

27

45

63

LSB Value

[M40MHZ, M26MHZ]

= [00], [10], or [11]

FIR_LEN=0(L=138)

FIR_LEN=1(L=288)

(-10%)

-48.7

-5.35

(+10%)

µ

V

µ

V

[M40MHZ, M26MHZ]

= [01]

FIR_LEN=0(L=186)

FIR_LEN=1(L=384)

(-10%)

-19.8

-2.26

(+10%)

µ

V

µ

V

Offset Error

-200

0

+100

mV

2.4.5 Supply Current

Table 9: Supply Current Performance Specifications

Parameter

Condition

Min

Typ

Max

Unit

V3P3D current (CE off)

Normal Operation,

V3P3A = V3P3SYS = 3.3 V

CKMPU = 614 kHz

No flash memory write

RTM_E=0, ECK_DIS=1,

ADC_E=1, ICE_E=0

4.2

6.35

mA

V3P3D current (CE on)

8.4

9.6

mA

V3P3A

current

3.3

3.8

mA

V3P3D current,
Write Flash

Normal operation as above, except

write flash at maximum rate, CE_E =

0, ADC_ E = 0

9.1

12

mA

2.4.6 Crystal Oscillator

Table 10: Crystal Oscillator Performance Specifications

Parameter

Condition

Min

Typ

Max

Unit

Maximum Output Power to Crystal

4

Crystal connected

1

µ

W

XIN to XOUT Capacitance

1

3

pF

Capacitance to DGND

1

XIN

XOUT

RTCA_ADJ = 0

5

5

pF

pF

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