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C5C5EDELTA-RM/D 数据表(PDF) 46 Page - NXP Semiconductors

部件名 C5C5EDELTA-RM/D
功能描述  C-5e NETWORK PROCESSOR SILICON REVISION A1
PDF  114 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

C5C5EDELTA-RM/D 数据表(HTML) 46 Page - NXP Semiconductors

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46
CHAPTER 2: SIGNAL DESCRIPTIONS
C
8 SPLD is deasserted for 22 SPCLK cycles, shifting the second PROM_DATA into the
network processor internal shift register.
9 SPLD is asserted for one SPCLK cycle, loading the second PROM_DATA into the
network processor PROM_RETURN_DATA register.
Figure 6 PROM Interface Timing Outline
SPCLK
SPLD
12
45
678
9
11
10
12 13 14 15 16 17 18 19 20 21 22 23 12
3
4
567
89
10 11 12 13 14 15 16 17 18 19 20 21 22 23 1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18
20
19
21 22 23 1
2
3
4
5
6
7
x
A
20
A
19
A
18
SPDTO
A
17
A
16
A
15
A
14
A
13
A
12
A
11
A
10
A
9
A
8
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
CE
The PROM_ADDR is loaded into the
C-5's internal shift register.
The PROM_ADDR is shifted into
the external shift register.
(SPCLK Rising Edge used for shifting)
The PROM_ADDR is loaded into the
external presentation register.
The PROM_DATA is
presenting.
The PROM_DATA is loaded into the
external shift register.
The PROM_DATA is shifted into the C-5's
Internal shift register.
The PROM_DATA is loaded into the C-5's
internal PROM_RETURN_DATA register.
SPDTI
x
D
15
D
14
D
13
D
12
D
11
D
10
D
9
D
8
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
xx
xxxx
XP PROM Interface outline
XP PROM Interface detail
SPLD
SPDTO
SPDTI
Q<
Q<
A1
A2
Q<
Q<
`
A3
A4
A5
D1
D2
D3
D1
D2
A1
A2
A3
A4
1
2
3
4
5
6
7
8
9
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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