PSB2115HV1.2 Lantiq, PSB2115HV1.2 Datasheet - Page 64
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PSB2115HV1.2
Manufacturer Part Number
PSB2115HV1.2
Description
Manufacturer
Lantiq
Datasheet
1.PSB2115HV1.2.pdf
(317 pages)
Specifications of PSB2115HV1.2
Lead Free Status / Rohs Status
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Part Number
Manufacturer
Quantity
Price
Part Number:
PSB2115HV1.2
Manufacturer:
INFINEON/英飞凌
Quantity:
20 000
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Semiconductor Group
The state machine for D-channel access in the intelligent NT describes four states and
four types of conditions for state transition:
States
Ready
Idle
S Access
Local Access
State transition conditions
T1
T2
T3
T4
The number n of D=1 which has to be counted on IOM-2 by the state machine for state
transition T2 is described in the table below:
Configured Priority
Prio = 8 (SCFG:PRI=0)
Prio = 10 (SCFG:PRI=1)
Note: D=idle implies that 8 consecutive ’1’ are detected on the D-channel.
The D-channel is transparent to the layer 1 (D
device occupies the D-channel (BAC=1). The echo bits
correspond to the received D-bits on the S-interface. The layer 2
is blocked (S/G=1) until the required number (priority) of D=1 are
counted on IOM-2.
This state is identical to the ’Ready’ state, except the layer 2 may
also start transmission on the D-channel (S/G=0).
The D-channel is transparent to the layer 1 and occupied by a
source on the S-interface. The layer 2 is blocked (S/G=1).
The D-channel is occupied by the IPAC D-channel controller or
by another D-channel controller on IOM-2. This is indicated by
BAC=0. The Echo-bits are set to ‘D’ (terminals on S are blocked).
A terminal on the S-interface has started transmission on the D-
channel (D
(according to the priority setting) was written and read back
(E-bits) on the S-interface.
The required number of D=1 is counted on the IOM-2 interface,
so the IPAC D-channel controller may start transmission again.
The IPAC layer 2 controller has started transmission on the
D-channel (D
The IPAC layer 2 controller has stoped transmission on the
D-channel (D
an abort is detected.
Previous transmission of NT D-channel controller
successful
(end flag seen)
S
=0). Preceeding this, the required number of D=1
D
D
= idle).
= idle), i.e. the end flag of the previous frame or
n = 11
n = 9
64
not successful
(abort seen)
Functional Description
n = 10
n = 8
= D ) and no
PSB 2115
PSF 2115
11.97
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