COBHAM GR740 User Manual

GR740-UM-DS, Nov 2017, Version 1.7 11 www.cobham.com/gaisler
GR740
1.5 2016 November Update system frequency and package types on front page.
Add bootstrap signal requirement for flight (section 3.2) and pin driver configuration (3.5)
Add note that it is the top part of the data bus that is used for PROM in 8-bit mode in section
3.3.1. 
Restructure pin multiplexing tables 24,25,27 to have consistent naming with table 28.
Correct missing PROMIO_READ signal in table 28
Correct maximum number of SDRAM banks supported (4) in section 10.1, correct register
name in 10.5.4
Rename section 15 to Spacewire Debug Link for clarity.
Revised GRSPWROUTER section 13 for readability.
Add note that GPTIMER TCTRL LD is automatically cleared after load in section 20.3.
Major update to electrical characteristics section 39, update list of parameters, add power-up/
down sequencing, cold sparing, add MDIO diagram, update clock table, reference internal
clocks in diagrams, update thermal information and AC limits.
Add errata in section 43.
Update SpaceWire link speed on front page
Changed title of GRSPW2 (SpaceWire Debug Link) section
Clarify signal names in pin-multiplexing tables 24 and 25.
Add pin driver configuration section 3.5, add reference in section 13.1.
Remove references to PC133 SDRAM operation.
Added placement diagram in section 40.2.
Removed LEON4 section on partial WRPSR (unsupported due to errata)
1.6 2017 March Update feature list on front page to mark interfaces subject to pin sharing.
Update section 1.1 (Scope).
Move description of Debug AHB bus and corresponding controller documentation to be last
bus described in document. This modifies section numbers for section 12 to 36.
Change order of IOMMU and SpaceWire router sections.
Update errata section 43 overview, added LVDS ESD sensitivity erratum.
Correct UART1_RXD signal name in table 24.
Added section 1.6 with reference to technical note on validation and benchmarking.
Updates under section 12 to clarify that bus selection can be made even if IOMMU is dis-
abled.
Describe planned package dimension change in section 40.4.
Note that TESTEN should be connected to ground in section 3.4
Correct PCI_HOSTN signal name typo in table 27.
Correct PCIMODE_ENABLE heading in table 27.
Effect of bootstrap signal GPIO[15] was inverted. LOW enables full PROM/IO interface,
corrected in table 23 and section 3.3.1.
Table 1.
Change record
Version Date Note

COBHAM GR740 Specifications

General

Brand	COBHAM
Model	GR740
Category	Computer Hardware
Language	English