參數(shù)資料
型號(hào): SCF5250VM120
廠商: Motorola, Inc.
英文描述: SCF5250 Integrated ColdFire Microprocessor
中文描述: SCF5250提供了集成的ColdFire微處理器
文件頁(yè)數(shù): 25/48頁(yè)
文件大小: 767K
代理商: SCF5250VM120
Electrical Characteristics
SCF5250 Integrated ColdFire Microprocessor Data Sheet, Rev. 1.1
Freescale Semiconductor
25
Figure 2. Clock Timing Definition
NOTE
Signals above are shown in relation to the clock. No relationship between
signals is implied or intended.
Table 19. Clock Timing Specification
NUM
Characteristic
Units
Min
Max
CRIN Frequency
1
5.00
33.86
MHz
C5
PSTCLK cycle time
7.1
nSec
C6
PSTCLK duty cycle
40
60
%
C7
BCLK cycle time
14.2
nSec
C8
BCLK duty cycle
45
55
%
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.
CRIN
PSTCLK
BCLK
C6
C6
C7
C8
C8
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