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參數資料
| 型號： | ISP1160BM |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線控制器 |
| 英文描述： | Embedded Universal Serial Bus Host Controller |
| 中文描述： | UNIVERSAL SERIAL BUS CONTROLLER, PQFP64 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-414-1, LQFP-64 |
| 文件頁數： | 25/88頁 |
| 文件大小： | 2044K |
| 代理商： | ISP1160BM |
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Philips Semiconductors
ISP1160
Embedded USB Host Controller
Product data
Rev. 04 — 04 July 2003
25 of 88
9397 750 11371
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
9.4.3
Operation and C program example
Figure 20
shows the block diagram for internal FIFO buffer RAM operations in the
PIO mode. The ISP1160 provides one register as the access port for each buffer
RAM. For the ITL buffer RAM, the access port is the ITLBufferPort register (40H to
read, C0H to write). For the ATL buffer RAM, the access port is the ATLBufferPort
register (41H to read, C1H to write). The buffer RAM is an array of bytes (8 bits) while
the access port is a 16-bit register. Therefore, each read/write operation on the port
accesses two consecutive memory locations, incrementing the pointer of the internal
buffer RAM by two.
The lower byte of the access port register corresponds to the data byte at the even
location of the buffer RAM, and the upper byte corresponds to the next data byte at
the odd location of the buffer RAM. Regardless of the number of data bytes to be
transferred, the command code must be issued merely once, and it will be followed by
a number of accesses of the data port (see
Section 8.4
).
When the pointer of the buffer RAM reaches the value of the HcTransferCounter
register, an internal EOT signal will be generated to set bit 2, AllEOTInterrupt, of the
Hc
μ
PInterrupt register and update the HcBufferStatus register, to indicate that the
whole data transfer has been completed.
For ITL buffer RAM, every start of frame (SOF) signal (1 ms) will cause toggling
between ITL0 and ITL1 but this depends on the buffer status. If both ITL0BufferFull
and ITL1BufferFull of the HcBufferStatus register are already logic 1, meaning that
both ITL0 and ITL1 buffer RAMs are full, the toggling will not happen. In this case, the
microprocessor will always have access to ITL1.
Fig 19. PTD data with DWORD alignment in buffer RAM.
MGT953
payload data
(14 bytes)
PTD
(8 bytes)
PTD
(8 bytes)
00H
top
08H
15H
18H
20H
payload data
RAM buffer
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| ISP1161ABM | Full-speed Universal Serial Bus single-chip host and device controller |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ISP1160BM,557 | 功能描述:USB 接口集成電路 USB 1.1 HOST 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 |
| ISP1160BM/01 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Embedded Universal Serial Bus Host Controller |
| ISP1160BM/01,118 | 功能描述:USB 接口集成電路 USB HOST CTRL 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 |
| ISP1160BM/01,151 | 功能描述:USB 接口集成電路 DO NOT USE ORDER -T OR NO "-" 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 |
| ISP1160BM/01,157 | 功能描述:USB 接口集成電路 USB FULL SPEED HOST 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 |
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