PEB3086 Infineon Technologies, PEB3086 Datasheet - Page 53

• Manufacturer Part Number: PEB3086
• Description: ISDN Subscriber Access Controller
• Manufacturer: Infineon Technologies

Sample Time
Figure 19
Frame Relationship
Figure 20
Data Sheet
FSC
DCL
FSC detected
XTAL
SX1 / SX2
MBIT
Counter reset
The sample time of the MBIT input is related to the rising edge of FSC at the beginning of an S0 frame
-- min: 20 * 1 / xtal
-- max: 20 * 1 / xtal + 1 / xtal + 1 / dcl
S (NT -> TE)
FSC (i)
DD (i)
MBIT (i)
'0' or '1'
Sampling Time in LT-S / NT mode (M-Bit input)
Frame Relationship in LT-S / NT mode (M-Bit input)
F
B1 B2
B1
E
D
D
B2
E
don't care
D
B1 B2
M
B1
E
D
D
53
B2
20 XTAL
E
'0' or '1'
D
FBIT (40xXTAL)
F
B1 B2
Description of Functional Blocks
B1
E
D
D
B2
E
B1 B2
D
B1
E
D
D
PEB 3086
2003-01-30
ISAC-SX
B2
21150_29
E
21150_32
D