参数资料
型号: SCF5250CAG120
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 120 MHz, MICROPROCESSOR, PQFP144
封装: 20 X 20 MM, 1.40 MM THICKNESS, 0.50 MM PITCH, LEAD FREE, QFP-144
文件页数: 18/56页
文件大小: 894K
代理商: SCF5250CAG120
SCF5250 Data Sheet: Technical Data, Rev. 1.3
Freescale Semiconductor
25
NOTE
The signals shown in Figure 2 are in relation to the clock. No relationship
between signals is implied or intended.
Table 20. Clock Timing Specification
Num
Characteristic
Min
Max
Units
CRIN Frequency1
1 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.
5.00
33.86
MHz
C5
PSTCLK cycle time
7.1
ns
C6
PSTCLK duty cycle
40
60
%
C7
BCLK cycle time
14.2
ns
C8
BCLK duty cycle
45
55
%
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