PEF20550HV21XT Lantiq, PEF20550HV21XT Datasheet - Page 313
PEF20550HV21XT
Manufacturer Part Number
PEF20550HV21XT
Description
Manufacturer
Lantiq
Datasheet
1.PEF20550HV21XT.pdf
(407 pages)
Specifications of PEF20550HV21XT
Lead Free Status / Rohs Status
Supplier Unconfirmed
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Figure 106
Flow Diagram “Transmit Continuous Command”
Transmit + Receive Same Timeslot Command
The transmit + receive same timeslot command can be used to send a message to a
subscriber circuit, which will respond with an answer, e.g. reading back the coefficients
of a SICOFI device. After first transmitting the contents of the MFFIFO (as with the
normal transmit command), the MFFIFO is ready to accept an incoming message which
can then be read by the P when the transfer is completed.
Semiconductor Group
µ P
W : CMDR = 01
R : STAR = 05
W : MFFIFO = Data
R : STAR = 04
W : MFSAR = Address
W : CMDR = 0C
R : STAR = 12
R : ISTA = 20
R : STAR = 15
W : MFFIFO = Data
R : STAR = 14
W : CMDR = 04
R : STAR = 12
R : STAR = 13
R : ISTA = 20
R : STAR = 05
MFFR
MFAE,
1
2
16
MFTC1, 0 = 00
MFT1, 0 = 11
MFFI Interrupt
17
18
N
MFT1, 0 = 01
MFTO, MFRW, MFFE
MFFI Interrupt
MFFE
313
EPIC
MFFIFO Reset
MFFIFO Empty
Write Access Enabled
MFFIFO not Empty
Write Access Enabled
MFFIFO not Empty
Access Disabled
Transmit Transfer
in Operation
MFFIFO Empty
Write Access Enabled
Transfer in Operation
MFFIFO not Empty
Write Access Enabled
Transfer in Operation
MFFIFO not Empty
Access Disabled
Transmit Transfer
in Operation
MFFIFO Empty
Access Disabled
Transfer in Operation
MFFIFO Empty
Write Access Enabled
Transfer Completed
R
ITD08086
Application Hints
Da 1
Ack 1
Da 2
Ack 2
Da 16
Ack 16
MX = 0
MX = 0
Da 17
Ack 17
Da 18
Ack 18
Da N
Ack N
MR = 0
MR = 1
PEB 20550
PEF 20550
01.96
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