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參數資料
| 型號： | UCB1500 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線控制器 |
| 英文描述： | PCI to AC97 bridge/host controller |
| 中文描述： | PCI BUS CONTROLLER, PQFP80 |
| 封裝： | 12 X 12 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-315-1, LQFP-80 |
| 文件頁數： | 25/58頁 |
| 文件大小： | 1001K |
| 代理商： | UCB1500 |
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Philips Semiconductors
UCB1500
PCI to AC97 bridge/host controller
Objective specification
Rev. 01 — 4 February 2000
25 of 58
9397 750 06854
Philips Electronics N.V. 2000. All rights reserved.
8.1.17
[0031]: Receive DMA #1 DT Index
8.1.18
[0032 - 0033]: Reserved
8.1.19
[0034]: Transmit DMA #1 Byte Counter
8.1.20
[0035]: Transmit DMA #1 DT Index
8.1.21
[0035 - 0037]: Reserved
8.1.22
[0038]: Receive DMA #0 Byte Counter
8.1.23
[0039]: Receive DMA #0 DT Index
8.1.24
[0040 - 003B]: Reserved
8.1.25
[003C]: Transmit DMA #0 Byte Counter
8.1.26
[003D]: Transmit DMA #0 DT Index
8.1.27
[003D-0053]: Reserved
Table 31: Receive DMA #1 DT Index register bit description
Bit
Description
15-8
Reserved.
7-0
Receive DMA #1 DT index
Receive DMA #1 pointer to the current descriptor being processed in the
descriptor table.
Table 32: Transmit DMA #1 Byte Counter register bit description
Bit
Description
15-0
Transmit DMA #1 Byte Counter
Number of valid bytes in the data buffer pointed to by transmit DMA #1 current
descriptor entry. This counter counts down beginning with the length
programmed into the current descriptor entry and contains the number of bytes
in the data buffer that has not been transferred yet.
Table 33: Transmit DMA #1 DT Index register bit description
Bit
Description
15-8
Reserved.
7-0
Transmit DMA #1 DT index
Transmit DMA #1 pointer to the current descriptor being processed in the
descriptor table.
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