參數(shù)資料
型號(hào): 935268252557
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 1 CHANNEL(S), 400M bps, SERIAL COMM CONTROLLER, PQFP144
封裝: 20 X 20 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-486-1, LQFP-144
文件頁數(shù): 53/80頁
文件大?。?/td> 306K
代理商: 935268252557
Philips Semiconductors
Preliminary specification
PDI1394L40
1394 enhanced AV link layer controller
2000 Dec 15
54
13.2.6
Isochronous Transmitter Control Register (ITXCTL) – Base Address: 0x34
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
SV01844
TAG
CHANNEL
SPD
31 30
SY
Reset Value 0x00000000
Bit 15..14:
R/W
Tag: Tag code to insert in isochronous bus packet header. Should be ‘01’ for IEC 61883 International Standard data.
Bit 13..8:
R/W
Channel: Isochronous channel number.
Bit 5..4:
R/W
Speed: Cable transmission speed (S100, S200, S400).
00 = 100Mbs
01 = 200Mbs
10 = 400Mbs
11 = reserved
Bit 0
R
SY: Sync code to insert in SY field of isochronous bus packet header. This bit reflects the value of the AVx SY pin
and is synchronized with the data payload that was associated with it.
13.2.7
Isochronous Transmitter Memory Status (ITXMEM) – Base Address: 0x038
The AV Transmitter Memory Status register reports on the condition of the internal memory buffer used to store incoming AV data streams
before transmission over the 1394 bus. This register is used primarily for diagnostics; several memory status flags are also available in the
ITXINTACK register.
ITXM512LFT
ITXM256LFT
ITXM100LFT
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
ITXMAF
ITXM5A
V
ITXME
ITXMF
SV01056
3130
Reset Value 0x00000003
BIT 6:
R
ITXM100LFT: 100 or less quadlets of storage available.
Bit 5:
R
ITXM256LFT: Memory has 256 quadlets of space remaining before becoming full.
Bit 4:
R
ITXM512LFT: Memory has 512 quadlets of space remaining before becoming full.
Bit 3:
R
ITXMF: memory is completely full, no storage available.
Bit 2:
R
ITXMAF: almost full, exactly one quadlet of storage available.
Bit 1:
R
ITXM5AV: at least 5 more quadlets of storage available.
Bit 0:
R
ITXME: memory bank is empty (zero quadlets stored).
相關(guān)PDF資料
PDF描述
08008GOB 125 A, 800 V, SCR, TO-209AC
935268252551 1 CHANNEL(S), 400M bps, SERIAL COMM CONTROLLER, PQFP144
08008GOC 125 A, 800 V, SCR, TO-209AC
08008GOD 125 A, 800 V, SCR, TO-208AD
08010GOB 125 A, 1000 V, SCR, TO-209AC
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