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參數資料
| 型號： | ISP1181B |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Full-speed Universal Serial Bus peripheral controller |
| 中文描述： | 全速通用串行總線外設控制器 |
| 文件頁數： | 11/70頁 |
| 文件大小： | 341K |
| 代理商： | ISP1181B |
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Philips Semiconductors
ISP1181B
Full-speed USB peripheral controller
Product data
Rev. 02 — 07 December 2004
11 of 70
9397 750 13958
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
8.
Modes of operation
The ISP1181B has four bus configuration modes, selected via pins BUS_CONF1 and
BUS_CONF0:
Mode 0
Mode 1
Mode 2
Mode 3
16-bit I/O port shared with 16-bit DMA port
reserved
8-bit I/O port shared with 8-bit DMA port
reserved.
The bus configurations for each of these modes are given in
Table 3
. Typical interface
circuits for each mode are given in
Section 22.1
.
9.
Endpoint descriptions
Each USB peripheral is logically composed of several independent endpoints. An
endpoint acts as a terminus of a communication flow between the host and the
peripheral. At design time each endpoint is assigned a unique number (endpoint
identifier, see
Table 4
). The combination of the peripheral address (given by the host
during enumeration), the endpoint number and the transfer direction allows each
endpoint to be uniquely referenced.
The ISP1181B has 16 endpoints: endpoint 0 (control IN and OUT) plus 14
configurable endpoints, which can be individually defined as
interrupt/bulk/isochronous, IN or OUT. Each enabled endpoint has an associated
FIFO, which can be accessed either via the parallel I/O interface or via DMA.
9.1 Endpoint access
Table 4
lists the endpoint access modes and programmability. All endpoints support
I/O mode access. Endpoints 1 to 14 also support DMA access. FIFO DMA access is
selected and enabled via bits EPIDX[3:0] and DMAEN of the DMA Configuration
Register. A detailed description of the DMA operation is given in
Section 10
.
Table 3:
Mode
Bus configuration modes
BUS_CONF[1:0]
PIO width
DMA width
Description
DMAWD = 0
-
DMAWD = 1
D[15:1], AD0
0
0
0
D[15:1], AD0
multiplexed address/data on pin AD0;
bus is shared by 16-bit I/O port and
16-bit DMA port
reserved
multiplexed address/data on pin AD0;
bus is shared by 8-bit I/O port and 8-bit
DMA port
reserved
1
2
0
1
1
0
reserved
D[7:1], AD0
reserved
D[7:1], AD0
reserved
-
3
1
1
reserved
reserved
reserved
相關PDF資料 |
PDF描述 |
|---|---|
| ISP1181BBS | Full-speed Universal Serial Bus peripheral controller |
| ISP1181BDGG | Full-speed Universal Serial Bus peripheral controller |
| ISP1181 | Full-speed Universal Serial Bus Interface Device(全速通用串行總線接口器件) |
| ISP1181DGG | INDUCTOR 4.7NH +-.3NH 0402 SMD |
| ISP1183 | Low-power Universal Serial Bus interface device with DMA |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ISP1181BBS | 制造商:NXP Semiconductors 功能描述:IC CONTROLLER USB PERIPHERAL SMD 制造商:ST-Ericsson 功能描述:CONTROLLER USB PERIPHERAL 48HVQFN |
| ISP1181BBS,518 | 功能描述:USB 接口集成電路 USB 1.1 DEVICE RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| ISP1181BBS,551 | 功能描述:USB 接口集成電路 USB 1.1 DEVICE CONTROLLER RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| ISP1181BBS,557 | 功能描述:USB 接口集成電路 DO NOT USE ORDER -S OR -T PART RoHS:否 制造商:Cypress Semiconductor 產品:USB 2.0 數據速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| ISP1181BBS518 | 制造商:ST-Ericsson 功能描述:CONTROLLER USB PERIPHERAL 48HVQFN |
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