MSC7119 datasheet(37/60 Pages) FREESCALE

부품명	MSC7119

상세설명	Low-Cost 16-bit DSP with DDR Controller and 10/100 Mbps Ethernet MAC

PDF	60 Pages

Scroll/Zoom	100%

제조업체	FREESCALE [Freescale Semiconductor, Inc]

홈페이지	http://www.freescale.com

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37 / 60 page

MSC7119 Data Sheet, Rev. 8

Freescale Semiconductor

2.5.9

UART Timing

2.5.10

EE Timing

Figure 24 shows the signal behavior of the EE pin.

Table 27. UART Timing

No.

Characteristics

Expression

Min

Max

Unit

—

Internal bus clock (APBCLK)

FCORE/2

—

150

MHz

—

Internal bus clock period (1/APBCLK)

TAPBCLK

6.67

—

400

URXD and UTXD inputs high/low duration

× TAPBCLK

106.67

—

401

URXD and UTXD inputs rise/fall time

—

402

UTXD output rise/fall time

—

Figure 21. UART Input Timing

Figure 22. UART Output Timing

Table 28. EE0 Timing

Number

Characteristics

Type

Min

EE0 input to the core

Asynchronous

4 core clock periods

EE0 output from the core

Synchronous to core clock

1 core clock period

Notes:

The core clock is the SC1400 core clock. The ratio between the core clock and CLKOUT is configured during power-on-reset.

Configure the direction of the EE pin in the EE_CTRL register (see the SC140/SC1400 Core Reference Manual for details.

Refer to Table 1-11 on page 1-16 for details on EE pin functionality.

Figure 23. EE Pin Timing

UTXD, URXD

400

inputs

400

401

UTXD Output

402

EE0 In

EE0 Out

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