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I/O SPACE DESCRIPTION AND OPERATION SSD-CXXX(I)-3150 DATA SHEET
SILICONSYSTEMS PROPRIETARY
This document and the information contained within it is confidential and proprietary to SiliconSystems, Inc.
All unauthorized use and/or reproduction is prohibited.
3150C-10DSR PAGE 41 FEBRUARY 2, 2009
I/O SPACE DESCRIPTION AND OPERATION
I/O SPACE READ OPERATIONS
I/O SPACE WRITE OPERATIONS
Table 28: I/O Space Read Operations
Function Mode REG# CE1# CE2# A0 IORD# IOWR# D[15:8] D[7:0]
Standby X H H X X X High-Z High-Z
Byte Access L L H L L H High-Z Even
L L H H L H High-Z Odd
Word Access L L L L L H Odd Even
I/O Inhibit H X X X L H High-Z High-Z
Odd Byte Only
Access
LHLXL H OddHigh-Z
Table 29: I/O Space Write Operations
Function Mode REG# CE1# CE2# A0 IORD# IOWR# D[15:8] D[7:0]
Standby X H H X X X X X
Byte Access L L H L H L X Even
LLHHH L X Odd
Word Access L L L L H L Odd Even
I/O Inhibit H X X X H L X X
Odd Byte Only
Access
LHLXH L OddX