參數(shù)資料
型號(hào): MSC8122TVT6400
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號(hào)處理
英文描述: 32-BIT, 400 MHz, OTHER DSP, PBGA431
封裝: LEAD FREE, FCBGA-431
文件頁數(shù): 31/48頁
文件大?。?/td> 1158K
代理商: MSC8122TVT6400
MSC8122 Quad Digital Signal Processor Data Sheet, Rev. 16
Freescale Semiconductor
37
2.5.12
EE Signals
Figure 28 shows the signal behavior of the EE pins.
2.5.13
JTAG Signals
Figure 27. GPIO Timing
Table 29. EE Pin Timing
Number
Characteristics
Type
Min
65
EE0 (input)
Asynchronous
4 core clock periods
66
EE1 (output)
Synchronous to Core clock
1 core clock period
Notes:
1.
The core clock is the SC140 core clock. The ratio between the core clock and CLKOUT is configured during power-on-reset.
2.
Refer to Table 1-4 on page 1-6 for details on EE pin functionality.
Figure 28. EE Pin Timing
Table 30. JTAG Timing
No.
Characteristics
All
frequencies
Unit
Min
Max
700
TCK frequency of operation (1/(T
C ×
4); maximum 25 MHz)
0.0
25
MHz
701
TCK cycle time
40.0
ns
702
TCK clock pulse width measured at VM = 1.6 V
High
Low
20.0
16.0
ns
703
TCK rise and fall times
0.0
3.0
ns
REFCLK
GPIO
(Output)
GPIO
(Input)
Valid
603
High Impedance
604
605
602
601
EE1 out
EE0 in
65
66
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