MCF52221 datasheet(39/56 Pages) FREESCALE

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Electrical Characteristics

MCF52223 ColdFire Microcontroller, Rev. 2

Freescale Semiconductor

2.13

DMA Timers Timing Specifications

Table 33 lists timer module AC timings.

2.14

QSPI Electrical Specifications

Table 34 lists QSPI timings.

The values in Table 34 correspond to Figure 10.

Figure 10. QSPI Timing

Table 33. Timer Module AC Timing Specifications

Name

Characteristic1

1 All timing references to CLKOUT are given to its rising edge.

Min

Max

Unit

DTIN0 / DTIN1 / DTIN2 / DTIN3 cycle time

× t

CYC

—ns

DTIN0 / DTIN1 / DTIN2 / DTIN3 pulse width

× t

CYC

—ns

Table 34. QSPI Modules AC Timing Specifications

Name

Characteristic

Min

Max

Unit

QS1

QSPI_CS[3:0] to QSPI_CLK

510

tCYC

QS2

QSPI_CLK high to QSPI_DOUT valid

—

QS3

QSPI_CLK high to QSPI_DOUT invalid (Output hold)

—

QS4

QSPI_DIN to QSPI_CLK (Input setup)

—

QS5

QSPI_DIN to QSPI_CLK (Input hold)

—

QSPI_CS[3:0]

QSPI_CLK

QSPI_DOUT

QS5

QS1

QSPI_DIN

QS3

QS4

QS2

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