GCIXP1250BA 837411 Intel, GCIXP1250BA 837411 Datasheet - Page 130
GCIXP1250BA 837411
Manufacturer Part Number
GCIXP1250BA 837411
Description
Manufacturer
Intel
Datasheet
1.GCIXP1250BA_837411.pdf
(148 pages)
Specifications of GCIXP1250BA 837411
Lead Free Status / Rohs Status
Supplier Unconfirmed
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130
Figure 69. BootROM Write
®
IXP1250 Network Processor
Externally Generated Signal
BootROM Chip select signal
SLOW_EN_L or CE_L<3:0>
SRAM_BOOT_CONFIG
Example for the following setting in SRAM registers
SRAM_SLOW_CONFIG
31:24
09
31:16
Cycle Count =
RES
HIGH_EN_L
SLOW_EN_L
LOW_EN_L
CE_L[3:0]
23:16
0A
SLOW_RD_L/SLOW_WE_L Assert. (9)
DQ[31:0]
A[18:0]
MRD_L
FWE_L
SCLK
SLOW__EN_L Assert (10)
15:8
15:8
0x0B
05
2
SLOW_RD_L/SLOW_WE_L Deassert. (5)
1
0x0B
7:0
03
7:0
BootROM Cycle Count (11)
Cyele time= Cycle Count + 1 (12 cycles)
SLOW__EN_L Deassert. (3)
0
SRAM SlowPort Cycle Count (Does not apply to BootROM)
11
BootROM Cycle Count (11)
10
SLOW_EN_L Assert. (10)
9
SLOW_WE_L Assert. (9)
8
7
Valid CE
Valid Address
6
Valid Data
Valid CE
5
4
SLOW_WE_L Deassert. (5)
3
SLOW_EN_L Deassert. (3)
2
1
0
Datasheet
11
A8616-01
10
9
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