cx28365 Mindspeed Technologies, cx28365 Datasheet - Page 168

• Manufacturer Part Number: cx28365
• Description: X12, X6, X4 T3/e3 Framer And Atm Cell Transmission Convergence Sublayer Processor
• Manufacturer: Mindspeed Technologies

Registers
0x31—CR16 (Receive Data Link Control Register)
NRDL
RxOVRIE
RxMsgIE
RxNFIE
RxFCSEn
RxDLEn
3-58
—
7
NR Byte Over the Data Link—This bit is effective only in E3-G.832 mode. When set, selects
NR byte to be processed by the receiver data link HDLC and FIFO circuits. When cleared,
selects GC byte to be processed by the receiver data link HDLC and FIFO circuits.
Receive Data Link FIFO Overrun Interrupt Enable—Set to enable interrupt assertion due to
Data Link FIFO overrun error.
Receive Data Link Message Interrupt Enable— Set to enable interrupt assertion due to a
message received event.
Receive Data Link FIFO Near-Full Interrupt Enable—Set to enable interrupt assertion due to
the FIFO near-full event.
Receive Data Link FCS Check Enable—Set to enable execution of an FCS check on the
received message. When cleared, the FCS check is executed by software; therefore, no
interrupt or status due to bad FCS appears.
Receive Data Link Enable—Set to enable operation of the Receive Data Link FIFO buffer and
HDLC/LAPD circuits over the selected data link channel (Cb5, N-bit, NR, or GC). When
cleared, the data link channel data is left unchanged (may be presented on the data stream via
the REXTCKO and RxGCKO clocks), and no receive datalink interrupts (enabled in this
register) are asserted.
—
6
The Receive Data Link Control register enables operation of the receiver terminal data
link circuit, defines the FCS mode, and enables interrupt assertion due to data link
events.
Default after reset: 00
Direction: Read/Write
Modification: Bits 0, 2–4: dynamic, bits 1, 5: DL-static
NOTE:
Preliminary Information/Mindspeed Proprietary and Confidential
NRDL
5
Mindspeed Technologies™
Reserved bits in control registers must be set to 0.
RxOVRIE
4
RxMsgIE
3
RxNFIE
2
RxFCSEn
1
CX28365/6/4 Data Sheet
RxDLEn
0
500028C