MCF5211CAE66 View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

MCF5211CAE66

ColdFire Microcontroller

Freescale Semiconductor 

1.5 External Interrupt Signals

Table 8 describes the external interrupt signals.

Table 8. External Interrupt Signals

Signal Name

External Interrupts

Abbreviation

Function

IRQ[7:1] External interrupt sources.

MCF5213 Family Configurations

I/O

I

1.6 Queued Serial Peripheral Interface (QSPI)

Table 9 describes the QSPI signals.

Table 9. Queued Serial Peripheral Interface (QSPI) Signals

Signal Name

Abbreviation

Function

I/O

QSPI Synchronous QSPI_DOUT Provides the serial data from the QSPI and can be programmed to be O

Serial Output

driven on the rising or falling edge of QSPI_CLK.

QSPI Synchronous QSPI_DIN Provides the serial data to the QSPI and can be programmed to be

I

Serial Data Input

sampled on the rising or falling edge of QSPI_CLK.

QSPI Serial Clock

QSPI_CLK Provides the serial clock from the QSPI. The polarity and phase of

O

QSPI_CLK are programmable.

Synchronous Peripheral QSPI_CS[3:0] QSPI peripheral chip select; can be programmed to be active high or O

Chip Selects

low.

1.7 I2C I/O Signals

Table 10 describes the I2C serial interface module signals.

Table 10. I2C I/O Signals

Signal Name

Serial Clock

Serial Data

Abbreviation

Function

I/O

SCL

SDA

Open-drain clock signal for the for the I2C interface. When the bus is I/O

In master mode, this clock is driven by the I2C module; when the bus

is in slave mode, this clock becomes the clock input.

Open-drain signal that serves as the data input/output for the I2C

I/O

interface.

MCF5213 ColdFire Microcontroller, Rev. 3

Freescale Semiconductor

21

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