Actions
Hardware » History » Revision 4
« Previous |
Revision 4/22
(diff)
| Next »
laforge, 05/02/2017 09:05 PM
Hardware¶
Physical Setup / Board Stacking¶
The hardware consists of two circuit boards:
- Top board: AC/DC power supply and Ethernet switch
- Bottom board: Actual Femtocell mainboard
- 6-pin fine-pitch connector (most likely for DC power)
- flexible printed circuit cable (most likely for Ethernet MII/RMII)
- two large sheet metal parts for ground and/or thermal connection
It is thus not very straight forward to operate the opened device in a safe way (i.e. without live AC line voltage present).
We will be working on a way to operate it with injected safe low DC voltage, but that is still TBD.
Major Components¶
Femtocell SoC¶
Broadcomm BCM61610KFB1G (formerly Percello)- no information found anywhere
NAND Flash¶
Hynix H27U1G8F2BTR- 1Gbit (128MByte) NAND Flash, x8 data bus, 3.3V, 2k page size, 128k erase block, 48pin TSOP1
- http://natisbad.org/NAS/refs/Hynix_NAND_128Mo_H27U1G8F2BT.pdf
RF Transceiver¶
Maxim MAX2550- Band I, V, and VIII WCDMA Femtocell Transceiver with GSM Monitoring
- https://www.maximintegrated.com/en/products/comms/wireless-rf/MAX2550.html
- https://datasheets.maximintegrated.com/en/ds/MAX2550.pdf
- https://www.maximintegrated.com/en/app-notes/index.mvp/id/5364
Updated by laforge about 7 years ago · 4 revisions