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SPEAR320 数据表(PDF) 57 Page - STMicroelectronics

部件名 SPEAR320
功能描述  Embedded MPU with ARM926 core, optimized for factory automation and consumer applications
PDF  73 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

SPEAR320 数据表(HTML) 57 Page - STMicroelectronics

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SPEAr320
Timing requirements
Doc ID 16755 Rev 5
57/73
7.7
EMI timing characteristics
Figure 14.
EMI read cycle waveforms with acknowledgement on EMI_WAIT#
Note:
The values of tSE, tENr, tDCS, tSCS are programmable via the EMI registers.
Note:
Values in the above table are referred to the common internal source clock which has a
period of tHCLK = 6 ns.
Figure 15.
EMI write cycle waveforms with acknowledgement on EMI_WAIT#
Note:
The values of tSE, tENw, tDCS, tSCS are programmable via the EMI registers.
EMI_A
EMI_BYTEN
EMI_D
EMI_CSn#
EMI_OE#
Address
Byte Enable
Data
tSE
tSCS
tENr
tDCS
EMI_WAIT#
tCS->Wait
tWAIT
Table 37.
EMI timings for read cycle with acknowledgement on WAIT#
Symbol
Min
tCS->Wait
tHCLK
tWAIT
4*tHCLK
EMI_A
EMI_BYTEN
EMI_D
EMI_CSn#
EMI_WE#
Write Data
Byte Enable
Data
tSE
tSCS
tENw
tDCS
EMI_WAIT#
tCS->tWAIT
tWAIT



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