Mitel DISTRIBUTED HYPERCHANNEL MT90840 - Manual (Page 35)

Preliminary Information
MT90840
2-265
Figure 18 - Serial Port Timing for 2.048 Mbps Operation - TM2 (SFDi = 1) and TM1
C4/8R1
t
frw
STi0-7
STo0-7
(4.096 MHz)
bit 7, ch. 0
bit 0, ch. 31 bit 7, ch. 0
bit 0, ch. 31
t
stih
t
stis
t
clkh
Serial Port with Negative Polarity F0 (ST-BUS)
t
sod
t
frh
t
frs
t
clk
t
clkl
t
T
STo0-7
C4/8R1
(4.096 MHz)
STi0-7
t
stis t
stih
F0i input
t
frs
t
frh
t
frw
bit 7, ch. 0 bit 6, ch. 0
bit 7, ch. 0 bit 0, ch. 31
bit 0, ch. 31
t
t
Serial Port with Positive Polarity F0 (GCI)
(8 kHz)
t
clkh
t
clk
t
clkl
t
sod
Note: In TM2 with SFDI=1, C4/8R1 may have reversed polarity from that shown.
Foi input
(8 kHz)