MT312 Datasheet, PDF (41/90 Pages) Zarlink Semiconductor Inc – Satellite Channel Decoder

QPSK Demodulator MT312
B4: High = Enable QPSK FR LOCK indication on interrupt pin.
B3: High = Enable QPSK FR UNLOCK indication on interrupt pin.
B2: High = Enable QPSK calculation complete indication on interrupt pin.
B1: High = Enable QPSK TS MAX indication on interrupt pin.
B0: High = Enable QPSK CS MAX indication on interrupt pin.
NAME
IE QPSK L
ADR
30
B7
B6
B5
B4
B3 B2 B1
IE QPSK [7:0] Interrupt enable QPSK (low byte)
B0
Def
hex
R/W 00
B7: High = Enable QPSK ST CHA indication on interrupt pin.
B6: High = Enable QPSK frequency end indication on interrupt pin.
B5: High = Enable QPSK BAUD end indication on interrupt pin.
B4: High = Enable QPSK AFC success indication on interrupt pin.
B3: High = Enable QPSK AFC fail indication on interrupt pin.
B2: High = Enable QPSK next FRS21 indication on interrupt pin.
B1: High = Enable QPSK same FRS21 indication on interrupt pin.
B0:High = Enable QPSK LTV limit indication on interrupt pin.
6.1.6 QPSK STATUS Output Enable. Register 32 (R/W)
If more than one bit is enabled then the logical-OR combination of the selected status signals will appear on the
STATUS pin 52.
NAME
ADR
B7
B6
B5
B4
B3 B2 B1 B0
Def
hex
QPSK STAT EN 32 QPSK STAT EN[7:0] Enable various QPSK outputs on STATUS pin R/W 00
B7: High = QPSK TS sweep on
B6: High = QPSK CS sweep on
B5: High = QPSK FR LOCK
B4: High = QPSK TS AGC LOCK
B3: High = QPSK TS LOCK
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