Rainbow-electronics 78M6631 Manual do Utilizador descarregar pdf (Página 18)

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 kΩ

LSB Value

[

M40MHZ

M26MHZ

]

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

FIR_LEN

=0(L=138)

FIR_LEN=1(L=288)

(-10%)

-48.7

-5.35

(+10%)

µV

[M40MHZ, M26MHZ]

= [01]

FIR_LEN=0(L=186)

FIR_LEN=1(L=384)

(-10%)

-19.8

-2.26

(+10%)

µV

Offset Error -200 0 +100

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

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

Crystal connected

µW

XIN to XOUT Capacitance

3 pF

Capacitance to DGND

XIN

XOUT

RTCA_ADJ = 0

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 29 30

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