LFXP2-5E-5TN144I Lattice, LFXP2-5E-5TN144I Datasheet - Page 307
LFXP2-5E-5TN144I
Manufacturer Part Number
LFXP2-5E-5TN144I
Description
FPGA - Field Programmable Gate Array 5K LUTs 100 I/O Inst on DSP 1.2V -5 Spd
Manufacturer
Lattice
Datasheet
1.LFXP2-8E-5FTN256I.pdf
(341 pages)
Specifications of LFXP2-5E-5TN144I
Number Of Macrocells
5000
Number Of Programmable I/os
100
Data Ram Size
169984
Supply Voltage (max)
1.26 V
Maximum Operating Temperature
+ 100 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Supply Voltage (min)
1.14 V
Package / Case
TQFP-144
Number Of Logic Elements/cells
*
Number Of Labs/clbs
*
Total Ram Bits
169984
Number Of I /o
100
Number Of Gates
-
Voltage - Supply
1.14 V ~ 1.26 V
Mounting Type
*
Operating Temperature
-40°C ~ 100°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFXP2-5E-5TN144I
Manufacturer:
TI
Quantity:
2 900
Company:
Part Number:
LFXP2-5E-5TN144I
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
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LatticeXP2 Configuration
Lattice Semiconductor
Encryption and Security Usage Guide
Figure 15-11. Encryption/Flash Protect Advanced Feature
Encryption
The LatticeXP2 family of devices uses the 128-bit Advanced Encryption Standard (AES) security mechanism and
has a built-in AES decryption engine hardwired in the core and embedded in the device. The JEDEC file must be
encrypted with the same 128-bit AES encryption key programmed into the device in order to configure it. The file is
shifted into the device’s JTAG port using ispVM System software. The device decrypts the JEDEC file using the
128-bit encryption key programmed into the device. The device can only be programmed if the 128-bit encryption
key programmed into the device matches the 128-bit encryption key used to encrypt the JEDEC file.
Usercode in Encrypted Files
Note: The usercode is stored as a comment and will be programmed into the device’s usercode.
If the USERCODE is used as a custom device ID (MY_ASSP), the U field will still be used in the JEDEC file for the
CRC and the value of the Custom Device ID set by the user will be part of the comment field.
The USERCODE will be available for readback regardless of the encryption setting (the USERCODE is always
available for readback). Readback of the decrypted JEDEC file from a device through the JTAG port is not permit-
ted because the security fuse is programmed when Encryption/Flash Protect is selected. Encryption will not affect
the functionality of the SED
Decryption Flow
The decryption flow is a much simpler process. Start by programming the device with the 128-bit Encryption Key
and the 64-bit Flash Protect Key fuses. Once the keys are programmed, the device can then be programmed with
the encrypted JEDEC file.
15-8
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