stlc5464 STMicroelectronics, stlc5464 Datasheet - Page 54

• Manufacturer Part Number: stlc5464
• Description: Multi-hdlcwith Switching Matrix Associated
• Manufacturer: STMicroelectronics

STLC5464
VII - MICROPROCESSOR TIMING (continued)
VII.5 - Token Ring Timing
Figure 43 : Token Ring
VII.6 - Master Clock Timing
Figure 44 : Master Clock
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Symbol
Symbol
1/f
1/f
tH
t
tL
t
a
S
H
f
MASTER CLOCK
(applied to XTAL1 Pin)
f : Masterclock frequency
Delay between Masterclock Rising Edge and Edges of TRO Pulse
delivered by the MHDLC (10pF)
Set-up Time TRI/Masterclock Masterclock Falling Edge
Hold Time TRI/Masterclock Falling Edge
Masterclock Frequency
Masterclock Period
Masterclock High
Masterclock Low
MASTER CLOCK
(applied to XTAL1 P in)
TRO
TRI
Parameter
Parameter
a
1/f
t
H
a
1/f
t
L
t
S
Min.
Min.
30.3
30
12
12
5
5
t
H
32.768
32.768
Typ.
Typ.
30.5
Max.
Max.
33.3
25
33
0
MHz
MHz
Unit
Unit
ns
ns
ns
ns
ns
ns