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EN25S16 Datasheet(PDF) 32 Page - Eon Silicon Solution Inc.

Part No. EN25S16
Description  16 Megabit 1.8V Serial Flash Memory with 4Kbyte Uniform Sector
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Maker  EON [Eon Silicon Solution Inc.]
Homepage  http://www.essi.com.tw
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EN25S16 Datasheet(HTML) 32 Page - Eon Silicon Solution Inc.

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This Data Sheet may be revised by subsequent versions
©2004 Eon Silicon Solution, Inc.,
www.eonssi.com
or modifications due to changes in technical specifications.
32
EN25S16
Rev. H, Issue Date: 2011/12/16
Read Burst (0Ch)
To execute a Read Burst operation the host drivers CS# low, and sends the Read Burst command
cycle (0Ch), followed by three address cycles and two dummy cycles (4 clocks). Each of cycle is
consisted of two nibbles (clocks) long, most significant nibble first,
After the dummy cycle, the device outputs data on the falling edge of the CLK signal starting from the
specific address location. The data output stream is continuous through all addresses until terminated
by a low-to high transition of CS# signal.
During Read Burst, the internal address point automatically increments until the last byte of the burst
reached, then jumps to first byte of the burst. All bursts are aligned to addresses within the bust length,
see Table 10. For example, if the burst length is 8 bytes, and the start address is 06h, the burst
sequence should be: 06h, 07h, 00h, 01h, 02h, 03h, 04h, 05, 06, etc. The pattern would repeat until the
command was terminated by pulling CS# as high status.
Table 10. Burst Address Range
Burst length
Burst wrap (A[7:A0]) address range
8 Bytes ( default)
00-07H, 08-0FH, 10-17H, 18-1FH...
16 Bytes
00-0FH, 10-1FH, 20-2FH, 30-3FH...
32 Bytes
00-1FH, 20-3FH, 40-5FH, 60-7FH...
64 Bytes
00-3FH, 40-7FH, 80-BFH, C0-FFH
128 Bytes
00-7FH, 80-FFH
256 Bytes
00-FFH
Figure 19 Read Burst Instruction Sequence Diagram


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