CN8223 Datasheet, PDF (123/161 Pages) Conexant Systems, Inc – ATM Transmitter/Receiver with UTOPIA Interface

CN8223
ATM Transmitter/Receiver with UTOPIA Interface
3.0 Registers
3.7 Status Register Overview
0x3A—OVFL_STATUS (Counter Overflow Interrupt Status Register)
The OVFL_STATUS register is located at address 0x3A and indicates when particular counters have
overflowed. Error and Event Counters are described in Section 3.8.
Bit
Field
Size
Name
15
1 Counter 9 Line/PHY
14
1 Counter 8 Line/PHY
13
1 Counter 7 Line/PHY
12
1 Counter 6 Line/PHY
11
1 Counter 5 Line/PHY
10
1 Counter 4 Line/PHY
9
1 Counter 3 Line/PHY
8
1 Counter 2 Line/PHY
7
1 Counter 1 Line/PHY
6
1 Idle Cell
5
1 Non-matching Cells
4
1 Non-zero GFC
3
1 Payload Length Error
2
1 Payload CRC
1
1 HEC Error–Not Corrected
0
1 HEC Error–Corrected
Description
Set when Line/PHY error counter 9 overflows.
Set when Line/PHY error counter 8 overflows.
Set when Line/PHY error counter 7 overflows.
Set when Line/PHY error counter 6 overflows.
Set when Line/PHY error counter 5 overflows.
Set when Line/PHY error counter 4 overflows.
Set when Line/PHY error counter 3 overflows.
Set when Line/PHY error counter 2 overflows.
Set when Line/PHY error counter 1 overflows.
Set when the IDLE_CELL_CNT counter overflows.
Set if the NON_MATCH_CNT counter overflows.
Set if the NON_ZERO_GFC counter overflows.
Set if the PAY_LEN_ERR counter overflows.
Set if the PAY_CRC_ERR counter overflows.
Set if the UNCOR_HEC_ERR counter overflows.
Set if the COR_HEC_ERR counter overflows.
100046C
Conexant
3-37