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Fmc sdram

chipsalliance·rocket-pcb·fmc_sdram/fmc_sdram.kicad_pcb

Fmc sdram PCB layout, top view — open source board by chipsalliance
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About the Fmc sdram PCB

Fmc sdram is an open source PCB design by chipsalliance, published on GitHub under the Apache-2.0 license. It is a 4-layer board measuring 76.5 × 69 mm, with 63 components from 19 distinct parts.

Other key parts include the M24C02-FMN, TXS02612RTWR, TPD4E02B04DQA, CH343P and MT48LC16M16A2P. By type, the board carries 34 capacitors, 12 ICs, 10 resistors, 3 connectors, 3 diodes and 1 switch.

It belongs with the usb & debug tools designs in this gallery.

From the project

PCB libraries and templates for rocket-chip based FPGA/ASIC designs

FMC mezannine card with dual MT48LC16M16A2 SDRAM, organized as 16Mx32bit, with level shifters for VADJ. Also includes USB to UART bridge, JTAG level shifter with ARM 20-pin JTAG header.

When using it for the first time, it is necessary to program the IPMI FRU data for the EEPROM so that the development board can identify the power supply of the FMC.

If you only need to build the eeprom binary,

Fmc sdram, from the project README
From the project README

Main components on the Fmc sdram

M24C02-FMNTXS02612RTWRTPD4E02B04DQACH343PMT48LC16M16A2PSN74AVCH16T245GRSN74AVCH2T45DCU

Fmc sdram bill of materials (BOM)

63 components, 19 distinct parts.

QtyPartRefs
1
M24C02-FMN
U1
1
TXS02612RTWR
U3
1
TPD4E02B04DQA
U5
1
CH343P
U6
2
MT48LC16M16A2P
U7, U8
4
SN74AVCH16T245GR
U9, U10, U11, U12
2
SN74AVCH2T45DCU
U13, U14
1
SAMTEC_ASP-134604-01
J1
1
TYPE-C-31-M-12
J2
1
Conn_JTAG_20
J5
1
TL3342F160QG
SW7
3
NCD1206O1
D1, D2, D5
32
100n
C1, C2, C3, C9, C11, C12, C13, C14 +24
2
1u
C8, C10
2
47k
R1, R8
2
10k
R2, R7
3
6.8k
R3, R4, R9
2
5.1k
R13, R14
1
0
R15

Fmc sdram design files

The KiCad project lives in the chipsalliance/rocket-pcb repository on GitHub; these links point at the commit this page was built from.

Fmc sdram: common questions

How big is the Fmc sdram PCB?

The Fmc sdram measures 76.5 × 69 mm, has 4 copper layers and is 1.5842 mm thick.

How many components are on the Fmc sdram?

63 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the Fmc sdram design files?

From the chipsalliance/rocket-pcb repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Fmc sdram design in my own project?

Yes, under the terms of its Apache-2.0 license, which chipsalliance chose for the repository.

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