參數(shù)資料
型號(hào): L64777
廠商: LSI CORP
元件分類: 消費(fèi)家電
英文描述: Digital Video Broadcasting(DVB)-Compliant,quadrature amplitude modulation (QAM)Modulator(數(shù)字視頻廣播系統(tǒng)適配的積分調(diào)幅調(diào)制器)
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP120
封裝: 32 MM, PLASTIC, QFP-120
文件頁數(shù): 85/124頁
文件大小: 988K
代理商: L64777
Test Signals
5-5
FSTARTOUT
Frame Start Output
FSTARTOUT is asserted during the first symbol in every
sync frame. The width of FSTARTOUT reflects the
number of bytes that the gap parameter inserts. A
one-cycle width indicates no inserted gaps; a width of 17
means 16 inserted bytes as an Reed-Solomon gap.
FSTARTOUT is applied only in sync word detection
mode. If FSTARTIN pulses force synchronization,
FSTARTOUT is constantly LOW.
Output
SYNCOK
SYNC Detection/Phase Monitoring
In internal sync mode, this pin indicates undisturbed
synchronization status when HIGH. This signal is
asserted when the number of track steps required for
synchronization is fulfilled. If FSTARTIN pulses force
synchronization, SYNCOK is constantly LOW.
Output
5.4 Test Signals
FTMODE[2:0] Functional Test Bus
These must be tied to 0.
Input
IDDTN[3]
IDD Test Mode
IDDTN is a production test pin.
Input
NT_OUT[4]
Nand Tree Output
NT_OUT is a production test pin.
Output
SCAN_ENABLE[5]
Scan Enable
This pin enables scan chain shift.
Input
TNn[11]
Test Output Enable
TNn switches all 3-state buffers to high-impedance mode
for testing.
Input
TRSTn[10]
Test Reset
Reset for the JTAG unit.
Input
TMS[9]
Test Mode Select
TMS selects the JTAG unit test mode.
Input
TDO[8]
Test Data Output
TDO is the JTAG unit data output.
Output
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