COBHAM GR740 - Page 452

GR740-UM-DS, Nov 2017, Version 1.7 452 www.cobham.com/gaisler
GR740
39.5.14 Fault-tolerant 8/16-bit PROM/IO memory interface timing
The timing waveforms and timing parameters are shown in figures 67 and 68, and are defined in table
591.
Figure 67. Timing waveforms - PROM accesses
t
FTMCTRL0
promio_addr[]
internal sys_clk
t
FTMCTRL1
promio_data[]
(output)
promio_data[]
(input)
prom_cen[]
t
FTMCTRL3,
t
FTMCTRL4
promio_oen
promio_wen
t
FTMCTRL9
promio_brdyn
t
FTMCTRL10
t
FTMCTRL2
t
FTMCTRL2
t
FTMCTRL6
t
FTMCTRL6
promio_addr[]
internal sys_clk
prom_cen[]
t
FTMCTRL7
t
FTMCTRL8
t
FTMCTRL5
t
FTMCTRL1