PDI1394L41 데이터 시트보기 (PDF) - Philips Electronics
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PDI1394L41 Datasheet PDF : 81 Pages
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Philips Semiconductors
1394 content protection AV link layer controller
Preliminary specification
PDI1394L41
13.2.14 Isochronous Receiver Memory Status (IRXMEM) – Base Address: 0x058
The AV Receiver Memory Status register reports on the condition of the internal memory buffer used to store outgoing AV data streams after
reception from the 1394 bus. This register is used primarily for diagnostics; several memory flags are also available in the IRXINTACK register.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Reset Value 0x00000003
Bit 6:
R
IRXM100LFT: FIFO is 100 quadlets from full.
Bit 5:
R
IRXM256LFT: FIFO is 256 quadlets from full.
Bit 4:
R
IRXM512LFT: FIFO is 512 quadlets from full.
Bit 3:
R
IRXMF: Full: no space available.
Bit 2:
R
IRXMAF: Almost full: exactly one quadlet of storage available.
Bit 1:
R
IRXM5AV: At least 5 more quadlets of storage available.
Bit 0:
R
RXME: Memory bank is empty (no data committed).
SV01057
2000 Apr 15
60
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