SCF5249VM140 datasheet(32/56 Pages) FREESCALE

部件名	SCF5249VM140

功能描述	Integrated ColdFire Microprocessor

PDF	56 Pages

Scroll/Zoom	100%

制造商	FREESCALE [Freescale Semiconductor, Inc]

网页	http://www.freescale.com

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SCF5249 Integrated ColdFire® Microprocessor Data Sheet, Rev. 3

Electrical Characteristics

Freescale Semiconductor

QSPI_CS1

GPIO24

QSPI_CS3

GPIO22

SDRAM_CS2

GPIO7

EBUOUT2

GPO37

K11

BUFENB2

GPIO17

G12

SUBR

GPIO53

F13

SFSY

GPIO52

F12

RCK

GPIO51

SRE

GPIO11

LRCK3

GPIO45

SWE

GPIO12

SCLK3

GPIO49

Table 19. Clock Timing Specification

NUM

Characteristic

Units

Min

Max

CRIN Frequency1

11.29

33.86

MHz

PSTCLK cycle time

7.1

—

nSec

PSTCLK duty cycle

BCLK cycle time

14.2

—

nSec

BCLK duty cycle

Note:

There are only three choices for the valid Audio frequencies 11.29 MHz, 16.93 MHz, or

33.86 MHz; no other values are allowed. The System Clock is derived from one of these

crystals via an internal PLL.

Table 18. 160 MAPBGA Ball Assignments (continued)

160MAPBGA Ball

Number

Function

GPIO

SCF5249VM140 数据表(PDF) 32 Page - Freescale Semiconductor, Inc

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