56F803 datasheet(21/57 Pages) FREESCALE

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56F803 Technical Data, Rev. 16

Freescale Semiconductor

2.10 CAN Signals

2.11 Analog-to-Digital Converter (ADC) Signals

2.12 Quad Timer Module Signals

Table 2-14 CAN Module Signals

No. of

Pins

Signal

Name

Signal

Type

State During

Reset

Signal Description

MSCAN_ RX

Input

(Schmitt)

Input

MSCAN Receive Data—This is the MSCAN input. This pin has an

internal pull-up resistor.

MSCAN_ TX

Output

MSCAN Transmit Data—MSCAN output. CAN output is

open-drain output and a pull-up resistor is needed.

Table 2-15 Analog to Digital Converter Signals

No. of

Pins

Signal

Name

Signal

Type

State During

Reset

Signal Description

ANA0

–3

Input

ANA0

–3—Analog inputs to ADC channel 1

ANA4

–7

Input

ANA4

–7—Analog inputs to ADC channel 2

VREF

Input

VREF—Analog reference voltage for ADC. Must be set to VDDA-0.3V

for optimal performance.

Table 2-16 Quad Timer Module Signals

No. of Pins

Signal Name

Signal Type

State During Reset

Signal Description

TD1

–2

Input/Output

Input

TD1

–2— Timer D Channel 1–2

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