MCF5213 datasheet(21/54 Pages) FREESCALE

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Family Configurations

MCF5213 ColdFire Microcontroller, Rev. 4

Freescale Semiconductor

1.6

External Interrupt Signals

Table 9 describes the external interrupt signals.

1.7

Queued Serial Peripheral Interface (QSPI)

Table 10 describes the QSPI signals.

1.8

I2C I/O Signals

Table 11 describes the I2C serial interface module signals.

Table 9. External Interrupt Signals

Signal Name

Abbreviation

Function

I/O

External Interrupts

IRQ[7:1]

External interrupt sources.

Table 10. Queued Serial Peripheral Interface (QSPI) Signals

Signal Name

Abbreviation

Function

I/O

QSPI Synchronous

Serial Output

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

driven on the rising or falling edge of QSPI_CLK.

QSPI Synchronous

Serial Data Input

QSPI_DIN

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

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

QSPI_CLK are programmable.

Synchronous Peripheral

Chip Selects

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

low.

Table 11. I2C I/O Signals

Signal Name

Abbreviation

Function

I/O

Serial Clock

SCLn

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

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

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

I/O

Serial Data

SDAn

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

interface.

I/O

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