MCC501RX166TD0B Motorola / Freescale Semiconductor, MCC501RX166TD0B Datasheet - Page 37

• Manufacturer Part Number: MCC501RX166TD0B
• Description: Network Processor, 16 Processing Elements, 166MHz Core Operating Frequency, 5Gbps Max Throughput, 838-CBGA
• Manufacturer: Motorola / Freescale Semiconductor

C-Port Confidential
SPLD
SPDTO
SPDTI
SPCLK
SPLD
SPDTO
SPDTI
XP PROM Interface outline
XP PROM Interface detail
1
1
x
2
20
A
2
19
A
The PROM_ADDR is loaded into the
C-5's internal shift register.
4
18
A
5
The PROM_ADDR is shifted into
the external shift register.
17
A
6
16
A
7
(SPCLK Rising Edge used for shifting)
15
A
Q<
8
14
A1
A
9
13
A
10
12
A
11
A1
11
A
12 13 14 15 16 17 18 19 20 21 22 23 1
10
A
A
9
A
8
A
7
A
6
A
5
A
8 SPLD is deasserted for 22 SPCLK cycles, shifting the second PROM_DATA into the
9 SPLD is asserted for one SPCLK cycle, loading the second PROM_DATA into the
Figure 5 PROM Interface Timing Outline
4
General System Interface Signal
Table 15
The C-5 NP can be powered up with the XP either running or with the XP in reset mode
similar to the CPs. When the XP remains in reset mode, an external host can be used to
control the initialization of the C-5 NP.
A
3
Q<
A
A2
2
network processor internal shift register.
network processor PROM_RETURN_DATA register.
A
1
A
0
CE
provides the signal for the Executive Processor reset power status and I/O clock.
2
3
The PROM_ADDR is loaded into the
external presentation register.
3
4
5
6
5
7
8
Q<
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 1
The PROM_DATA is
presenting.
A3
D1
A2
6
Q<
A4
D2
8
x D
2
15
7
3
14
4
D
The PROM_DATA is loaded into the
external shift register.
4
13
D
9
Pin Descriptions Grouped by Function
5
12
The PROM_DATA is shifted into the C-5's
D
Internal shift register.
6
11
D
The PROM_DATA is loaded into the C-5's
7
10
internal PROM_RETURN_DATA register.
D
8
D
9
9
D
8
10 11 12 13 14 15 16 17 18
D
7
`
A5
D3
D
6
D
5
D1
D
4
Preliminary Version — January 21, 2002
A3
D
3
D
2
D
1
D
0
x
19
x
20
x
21 22 23 1
x
x
x
2
3
4
5
6
7
A4
D2
37