參數資料
型號: PM5372-BI
英文描述: Telecommunication IC
中文描述: 通信集成電路
文件頁數: 117/169頁
文件大?。?/td> 989K
代理商: PM5372-BI
TSE Transmission Switch Element Datasheet
Released
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-1991258, Issue 7
117
Register 0NB1H, 0NB9H, 0NC1H, 0NC9H: Port Set #1 - # 16 T8DE #1 - #4 Interrupt Status
Bit
Type
Function
Default
Bit 15
Unused
X
Bit 14
Unused
X
Bit 13
Unused
X
Bit 12
Unused
X
Bit 11
Unused
X
Bit 10
Unused
X
Bit 9
Unused
X
Bit 8
Unused
X
Bit 7
Unused
X
Bit 6
Unused
X
Bit 5
Unused
X
Bit 4
R
FIFOERRI
0
Bit 3
Unused
X
Bit 2
Unused
X
Bit 1
Unused
X
Bit 0
Unused
X
These registers report the interrupt status for T8DE blocks #1 through #64.
FIFOERRI
The FIFO overrun/underrun error interrupt indication bit (FIFOERRI) reports a FIFO
overrun/underrun error event. FIFOERRI is set high when FIFO logic detects FIFO read and
write pointers in close proximity to each other. FIFOERRI is cleared on a read to this register
when WCIMODE is logic 0. FIFOERRI is cleared on a write of logic 1 to FIFOERRI when
WCIMODE is logic 1. INTB is asserted low when both FIFOERRE and FIFOERRI are high.
IF FIFOERRE is asserted, FIFOERRI must be cleared before INTB will be reasserted.
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