XC822_11 datasheet(43/52 Pages) INFINEON

Part #	XC822

Description	8-Bit Single-Chip Microcontroller

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XC822/824

Electrical Parameters

Data Sheet

37

V1.2, 2011-10

3.3.3

Oscillator Timing and Wake-up Timing

Table 19 provides the characteristics of the power-on reset, PLL and Wake-up timings

in the XC822/824.

3.3.4

On-Chip Oscillator Characteristics

Table 20 provides the characteristics of the 48 MHz oscillator in the XC822/824.

Table 19

Power-On Reset Wake-up Timing

1) (Operating Conditions apply)

1) Not subject to production test, verified by design/characterisation.

Parameter

Symbol

Limit Values

Unit Test Conditions

Min.

Typ. Max.

48 MHz Oscillator

start-up time

t

48MOSCST

CC –

–

13

μs

75 KHz Oscillator start-

up time

t

75KOSCST

CC –

–

800

μs

Flash initialization time

t

FINT

CC –

160

–

μs

Table 20

48 MHz Oscillator Characteristics (Operating Conditions apply)

Parameter

Symbol

Limit Values

Unit Test Conditions

Min.

Typ. Max.

Nominal frequency

f

NOM

CC -0.5 % 48

+0.5% MHz under nominal

conditions

1) after

trimming

1) Nominal condition:

V

DDC =2.5 V, TA =+ 25°C.

Long term

frequency deviation

Δf

LT

CC -2.0

–

3.0

%

with respect to

f

NOM, over

lifetime and temperature

(0

°C to 85 °C)

-4.5

–

4.5

%

with respect to

f

NOM, over

lifetime and temperature

(-40

°C to 125 °C)

Short term

frequency deviation

(over core supply

voltage

2))

2) Core voltage supply,

V

DDC = 2.5 V ± 7.5%.

Δf

ST

CC -1

–

1

%

with respect to

f

NOM,

within one LIN message

(< 10 ms … 100 ms)

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