MC9S08QE8C20 View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

MFG CO.

MC9S08QE8C20

8-Bit HCS08 Central Processor Unit (CPU)

Freescale Semiconductor 

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Electrical Characteristics

Table 15. Analog Comparator Electrical Specifications (continued)

C

Characteristic

D Analog input voltage

P Analog input offset voltage

C Analog comparator hysteresis

P Analog input leakage current

C Analog comparator initialization delay

Symbol

VAIN

VAIO

VH

IALKG

tAINIT

Min

VSS – 0.3

—

3.0

—

—

Typical

—

20

9.0

—

—

Max

Unit

VDD

V

40

mV

15.0

mV

1.0

μA

1.0

μs

3.12 ADC Characteristics

Table 16. 12-Bit ADC Operating Conditions

Characteristic

Conditions

Symb

Min Typical1 Max Unit

Comment

Supply voltage Absolute

VDDA

1.8

—

3.6

V

—

Delta to VDD (VDD – VDDA)2 ΔVDDA

–100

0

100

mV

—

Ground voltage Delta to VSS (VSS – VSSA)2 ΔVSSA

–100

0

100

mV

—

Input voltage —

VADIN

VREFL

—

VREFH

V

—

Input

capacitance

—

CADIN

—

4.5

5.5

pF

—

Input

resistance

—

RADIN

—

5

7

kΩ

—

Analog source

resistance

12-bit mode

fADCK > 4 MHz

fADCK < 4 MHz

—

—

2

—

—

5

10-bit mode

fADCK > 4 MHz

fADCK < 4 MHz

RAS

—

—

kΩ External to MCU

5

—

—

10

8-bit mode (all valid fADCK)

—

—

10

ADC

High speed (ADLPC = 0)

0.4

—

8.0

conversion

clock freq.

Low power (ADLPC = 1)

fADCK

0.4

—

MHz

4.0

—

1 Typical values assume VDDA = 3.0 V, Temp = 25 °C, fADCK=1.0 MHz unless otherwise stated. Typical values are for reference

only and are not tested in production.

2 DC potential difference.

MC9S08QE8 Series Data Sheet, Rev. 7

Freescale Semiconductor

25

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