NEC UPD98413 User Manual page 206

(35) Receive ATM/POS interface mode register (MDAPIR)
The MDAPIR register sets the mode related to the receive ATM/POS interface block.
Register Address
Name
MDAPIR 00A4 H
31 30 29 28
15 14 13 12
Reserved
Bit Field
D31- Reserved Set to 0.
D12
D11 P3FCLS Stops the data input into the receive FIFO of port3.
D10 P2FCLS Stops the data input into the receive FIFO of port2.
D9 P1FCLS Stops the data input into the receive FIFO of port1.
D8 P0FCLS Stops the data input into the receive FIFO of port0.
D7-D5 Reserved Set to 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.
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).
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.
D1 UDFM Selects whether UDF is used in the format of the receive cell to be transferred via
the ATM interface.
D0 PARM Selects even or odd parity for the parity operation of the receive ATM/POS interface.
206
CHAPTER 5 REGISTERS
Access Default
R/W 00000000 H
27 26 25 24
Reserved
11 10 9 8
P3FCLS P2FCLS P1FCLS P0FCLS
1: Stop 0: Normal operation
1: Stop 0: Normal operation
1: Stop 0: Normal operation
1: Stop 0: Normal operation
1: In-band address is inserted every receive transfer.
0: In-band address is not inserted when no port change.
1: Two idle clocks insert 0: No idle
1: Used
1: Used
1: Even
PRELIMINARY
Common register
23 22 21 20
7 6 5 4
Reserved
IADRM
Function
0: Not used
0: Not used
0: Odd
NEC confidential and Proprietary
19 18 17 16
3 2 1 0
IDLM TAGM UDFM PARM
Default
0
0
0
0
0
0
0
0
0
0
0