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SPEAR320S Datenblatt(PDF) 84 Page - STMicroelectronics

Teilenummer SPEAR320S
Bauteilbeschribung  Embedded MPU with ARM926 core for industrial and consumer applications
PDF  113 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPEAR320S Datenblatt(HTML) 84 Page - STMicroelectronics

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Timing requirements
SPEAr320S
84/113
Doc ID 022508 Rev 2
Note:
Values in Table 57 refer to the common internal source clock which has a period of
tHCLK = 6 ns.
Figure 15.
EMI read cycle waveform without acknowledgement on EMI_WAIT
Note:
The values of tSE, tENr, tDCS, tSCS are programmable via the EMI registers.
Figure 16.
EMI write cycle waveform without acknowledgement on EMI_WAIT
Note:
The values of tSE, tENw, tDCS, tSCS are programmable via the EMI registers.
Table 57.
EMI timing requirements for write cycle with acknowledgement on WAIT
Symbol
Min
tCS->Wait
tHCLK
tWAIT
4*tHCLK
EMI_A#
EMI_BYTEN#
EMI_D#
EMI_CEn#
EMI_OE
Address
Byte Enable
Data
tSE
tSCS
tENr
tDCS
EMI_A#
EMI_BYTEN#
EMI_D#
EMI_CEn#
EMI_WE
Write Data
Byte Enable
Data
tSE
tSCS
tENw
tDCS



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