参数资料
型号: L64781
厂商: LSI CORP
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封装: PLASTIC, QFP-100
文件页数: 119/164页
文件大小: 2003K
代理商: L64781
3-18
Interfaces
3.2.5 COFDM Soft-Decision (DOF) Output Mode
When the channel output interface is in the COFDM soft-decision (DOF)
output mode, the logical mapping is done as follows:
PCLKOUT = CLK36
SOFT_BPSK_DV = SOFT_BPSK_DV
SOFT_BPSK[3:0] = SOFT_BPSK[3:0]
FSTARTOUT = DOF_STARTOUT
DVALIDOUT = DOF_DOUTVALID
CO[7:4] = DOF_SD1
CO[3:0] = DOF_SD0
The DOF_DOUTVALID signal validates the DOF_SD0 and DOF_SD1
signals, and SOFT_BPSK_DV validates the SOFT_BPSK output. The
DOF_STARTOUT signal identies the rst soft decision of a COFDM
signal presented off-chip. The DOF output mode is either nonhierarchical
or hierarchical.
l64781.book Page 18 Friday, January 19, 2001 1:28 PM
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