参数资料
型号: RC28F256P33T85A
厂商: NUMONYX
元件分类: PROM
英文描述: 16M X 16 FLASH 3V PROM, 85 ns, PBGA64
封装: BGA-64
文件页数: 50/96页
文件大小: 1378K
代理商: RC28F256P33T85A
Numonyx StrataFlash Embedded Memory (P33)
Datasheet
November 2007
54
Order Number: 314749-05
11.1.0.8
Burst Sequence
The Burst Sequence (BS) bit selects linear-burst sequence (default). Only linear-burst
sequence is supported. Table 29 shows the synchronous burst sequence for all burst
lengths, as well as the effect of the Burst Wrap (BW) setting.
11.1.0.9
Clock Edge
The Clock Edge (CE) bit selects either a rising (default) or falling clock edge for CLK.
This clock edge is used at the start of a burst cycle, to output synchronous data, and to
assert/deassert WAIT.
11.1.0.10 Burst Wrap
The Burst Wrap (BW) bit determines whether 4, 8, or 16-word burst length accesses
wrap within the selected word-length boundaries or cross word-length boundaries.
When BW is set, burst wrapping does not occur (default). When BW is cleared, burst
wrapping occurs.
Table 29: Burst Sequence Word Ordering
Start
Addr.
(DEC)
Burst
Wrap
(RCR 3)
Burst Addressing Sequence (DEC)
4-Word Burst
(BL[2:0] =
0b001)
8-Word Burst
(BL[2:0] = 0b010)
16-Word Burst
(BL[2:0] = 0b011)
Continuous Burst
(BL[2:0] = 0b111)
0
0-1-2-3
0-1-2-3-4-5-6-7
0-1-2-3-4…14-15
0-1-2-3-4-5-6-…
1
0
1-2-3-0
1-2-3-4-5-6-7-0
1-2-3-4-5…15-0
1-2-3-4-5-6-7-…
2
0
2-3-0-1
2-3-4-5-6-7-0-1
2-3-4-5-6…15-0-1
2-3-4-5-6-7-8-…
3
0
3-0-1-2
3-4-5-6-7-0-1-2
3-4-5-6-7…15-0-1-2
3-4-5-6-7-8-9-…
40
4-5-6-7-0-1-2-3
4-5-6-7-8…15-0-1-2-3
4-5-6-7-8-9-10…
50
5-6-7-0-1-2-3-4
5-6-7-8-9…15-0-1-2-3-4
5-6-7-8-9-10-11…
60
6-7-0-1-2-3-4-5
6-7-8-9-10…15-0-1-2-3-4-
5
6-7-8-9-10-11-12-…
70
7-0-1-2-3-4-5-6
7-8-9-10…15-0-1-2-3-4-5-
6
7-8-9-10-11-12-13…
14
0
14-15-0-1-2…12-13
14-15-16-17-18-19-20-…
15
0
15-0-1-2-3…13-14
15-16-17-18-19-20-21-…
0
1
0-1-2-3
0-1-2-3-4-5-6-7
0-1-2-3-4…14-15
0-1-2-3-4-5-6-…
1
1-2-3-4
1-2-3-4-5-6-7-8
1-2-3-4-5…15-16
1-2-3-4-5-6-7-…
2
1
2-3-4-5
2-3-4-5-6-7-8-9
2-3-4-5-6…16-17
2-3-4-5-6-7-8-…
3
1
3-4-5-6
3-4-5-6-7-8-9-10
3-4-5-6-7…17-18
3-4-5-6-7-8-9-…
41
4-5-6-7-8-9-10-11
4-5-6-7-8…18-19
4-5-6-7-8-9-10…
51
5-6-7-8-9-10-11-12
5-6-7-8-9…19-20
5-6-7-8-9-10-11…
61
6-7-8-9-10-11-12-13
6-7-8-9-10…20-21
6-7-8-9-10-11-12-…
71
7-8-9-10-11-12-13-
14
7-8-9-10-11…21-22
7-8-9-10-11-12-13…
14
1
14-15-16-17-18…28-29
14-15-16-17-18-19-20-…
15
1
15-16-17-18-19…29-30
15-16-17-18-19-20-21-…
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