參數(shù)資料
型號: MCC5E0RX266WB0B
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 266 MHz, RISC PROCESSOR, CBGA840
封裝: 31 X 31 MM, 3.55 MM HEIGHT, 1 MM PITCH, CERAMIC, FCBGA-840
文件頁數(shù): 62/120頁
文件大?。?/td> 1711K
代理商: MCC5E0RX266WB0B
46
CHAPTER 2: SIGNAL DESCRIPTIONS
C5ENPB0-DS REV 05
MOTOROLA GENERAL BUSINESS INFORMATION
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
21
A
20
A
19
SPDTO
A
18
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 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
A1
A2
A3
A4
A5
D1
D2
D3
D1
D2
A1
A2
A3
A4
3
`
1
2
3
4
5
6
7
8
9
F
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I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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