CHAPTER 5 REGISTERS
PRELIMINARY
NEC confidential and Proprietary
206
(35) Receive ATM/POS interface mode register (MDAPIR) Common register
The MDAPIR register sets the mode related to the receive ATM/POS interface block.
Register
Name
Address Access Default
MDAPIR
00A4 H
R/W
00000000 H
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Reserved
15
14
13
12
11
10 9 8 7 6 5 4 3 2 1 0
Reserved
P3FCLS P2FCLS P1FCLS P0FCLS
Reserved
IADRM IDLM TAGM
UDFM PARM
Bit Field
Function
Default
D31-
D12
Reserved
Set to 0.
0
D11
P3FCLS
Stops the data input into the receive FIFO of port3.
1: Stop
0: Normal operation
0
D10
P2FCLS
Stops the data input into the receive FIFO of port2.
1: Stop
0: Normal operation
0
D9
P1FCLS
Stops the data input into the receive FIFO of port1.
1: Stop
0: Normal operation
0
D8
P0FCLS
Stops the data input into the receive FIFO of port0.
1: Stop
0: Normal operation
0
D7-D5
Reserved
Set to 0.
0
D4
IADRM
Sets the insertion of the receive in-band address even if the receive burst transfer is
disconnected and resume without the port change.
1: In-band address is inserted every receive transfer.
0: In-band address is not inserted when no port change.
0
D3
IDLM
Sets the idle clocks (RFCLK) inserted after the burst transfer is terminated on the
receive POS interface (ex. the port is changed and whole packet transfer is
completed).
1: Two idle clocks insert 0: No idle
0
D2
TAGM
Selects whether TAG is used in the format of the receive cell to be transferred via
the ATM interface. TAG field is set to any value in the TAGR register when TAG is
used.
1: Used
0: Not used
0
D1
UDFM
Selects whether UDF is used in the format of the receive cell to be transferred via
the ATM interface.
1: Used
0: Not used
0
D0
PARM
Selects even or odd parity for the parity operation of the receive ATM/POS interface.
1: Even
0: Odd
0
Summary of Contents for NEASCOT-P65
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