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參數(shù)資料
| 型號： | ISP1760 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Hi-Speed Universal Serial Bus host controller for embedded applications |
| 中文描述： | 高速嵌入式應(yīng)用的通用串行總線主控制器 |
| 文件頁數(shù)： | 16/105頁 |
| 文件大小： | 449K |
| 代理商： | ISP1760 |
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9397 750 13257
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 01 — 8 November 2004
16 of 105
Philips Semiconductors
ISP1760
Embedded Hi-Speed USB host controller
Both the CPU interface logic and the USB Host Controller require access to the internal
ISP1760 RAM at the same time. The internal arbiter controls these accesses to the
internal memory, organized internally on a 64-bit data bus width, allowing a maximum
bandwidth of 240 MB/s. This bandwidth avoids any bottleneck on accesses both from the
CPU interface and the internal USB Host Controller.
7.3 Accessing the ISP1760 Host Controller memory: PIO and DMA
The CPU interface of the ISP1760 can be configured for a 16-bit or 32-bit data bus width.
When the ISP1760 is configured for a 16-bit data bus width, the upper unused 16 data
lines must be pulled up to V
CC(I/O)
. This can be achieved by connecting DATA[31:16] lines
together to a single 10 k
pull-up resistor. The 16-bit or 32-bit data bus width
configuration is done by programming bit 8 of the HW Mode Control register. This will
determine the register and memory access types in both PIO and DMA modes to all
internal blocks: Host Controller, Peripheral Controller and OTG Controller. All accesses
must be word-aligned for 16-bit mode and double-word aligned for 32-bit mode, where
one word = 16 bits. When accessing the Host Controller registers in 16-bit mode, the
Fig 4.
Memory segmentation and access block diagram.
004aaa436
PTD1
PTD2
PTD32
PTD1
PTD2
.
.
PTD32
PAYLOAD
PAYLOAD
63 kbytes
USB BUS
USB HIGH-SPEED
HOST AND
TRANSACTION
TRANSLATOR
(FULL-SPEED
AND LOW-SPEED)
INTERRUPT
ASYNC
PAYLOAD
PTD32
.
PTD1
PTD2
ISOCHRONOUS
MEMORY MAPPED
INPUT/OUTPUT,
MEMORY
MANAGEMENT
UNIT,
SLAVE DMA
CONTROLLER
AND
INTERRUPT
CONTROL
REGISTERS
ARBITER
control signals
240 MB/s
address
data (64 bits)
D[15:0]/D[31:0]
A[17:1]
.
CS_N
RD_N
WR_N
DREQ
DACK
IRQ
MICRO-
PROCESSOR
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISP1761 | Hi-Speed Universal Serial Bus On-The-Go controller |
| ISP1761BE | Hi-Speed Universal Serial Bus On-The-Go controller |
| ISP1761ET | Hi-Speed Universal Serial Bus On-The-Go controller |
| ISP2100A | Telecommunication IC |
| ISP2100BN4 | Microprocessor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISP1760BE | 制造商:NXP Semiconductors 功能描述:CONTROLLER USB HOST SMD LQFP128 制造商:ST-Ericsson 功能描述:IC CONTROLLER USB HOST 128LQFP |
| ISP1760BE,518 | 功能描述:輸入/輸出控制器接口集成電路 USB HOST CONTROLLER RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| ISP1760BE,551 | 功能描述:輸入/輸出控制器接口集成電路 USB HS HOST CONTRLLR RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| ISP1760BE,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(chǎn)品:USB 2.0 數(shù)據(jù)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(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20 |
| ISP1760BE518 | 制造商:ST-Ericsson 功能描述:IC CONTROLLER USB HOST 128LQFP |
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