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參數(shù)資料
型號(hào)： ISP1130N
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： Universal Serial Bus compound hub with integrated keyboard controller
中文描述： SPECIALTY MICROPROCESSOR CIRCUIT, PDIP56
封裝： PLASTIC, SDIP-56
文件頁(yè)數(shù)： 29/68頁(yè)
文件大?。?/td> 1786K
代理商： ISP1130N
Philips Semiconductors
ISP1130
USB compound hub with keyboard controller
Objective specification
Rev. 01 — 23 March 2000
29 of 68
9397 750 06895
Philips Electronics N.V. 2000. All rights reserved.
9.2.7
Validate Buffer command
Indicates the presence of valid data for transmission to the USB host.
Code (Hex) —
FA
Transaction —
none.
After writing data into an endpoint’s IN buffer, the microcontroller must set the Buffer
Full flag by means of the Validate Buffer command. This indicates that the data in the
buffer are valid and can be sent to the host when the next IN token is received.
Remark:
A control IN buffer cannot be validated when the Packet Overwritten bit of
the corresponding OUT buffer is set.
9.2.8
Set Endpoint Status command
Stalls or unstalls the indicated endpoint.
Code (Hex) —
40 to 4B (endpoint index 0 to 11)
Transaction —
write 1 byte.
A stalled control endpoint is automatically unstalled when it receives a SETUP token,
regardless of the content of the packet. If the endpoint should stay in its stalled state,
the microcontroller can re-stall it with the Set Endpoint Status command.
When a stalled endpoint is unstalled (either by the Set Endpoint Status command or
by receiving a SETUP token), it is also re-initialized. This flushes the buffer: in and if it
is an OUT buffer it waits for a DATA 0 PID, if it is an IN buffer it writes a DATA 0 PID.
Remark:
A Set Endpoint Status command with a STALLED bit of logic 0 will always
initialize the endpoint, even when it was not stalled.
Table 32: Packet Status byte: bit allocation
Bit
7
Symbol
-
6
-
5
-
4
-
3
-
2
-
1
-
0
Packet
Overwritten
0
R
Reset
Access
X
R
X
R
X
R
X
R
X
R
X
R
X
R
Table 33: Packet Status byte: bit description
Bit
Symbol
7 to 1
-
0
PacketOverwritten
Description
reserved
A logic 1 indicates that the previous packet was overwritten by a Setup Packet. In
that case the buffer is not cleared.
Table 34: Set Endpoint Status command: bit allocation
Bit
7
Symbol
Conditional
Stall
6
5
4
-
3
-
2
-
1
-
0
Rate
Feedback
Mode
0
W
Disable
Stalled
Reset
Access
0
W
0
W
X
W
X
W
X
W
X
W
0
W
相關(guān)PDF資料
PDF描述
ISP1160 Embedded Universal Serial Bus Host Controller
ISP1160BD Embedded Universal Serial Bus Host Controller
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ISP1161A Full-speed Universal Serial Bus single-chip host and device controller
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISP1160 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Embedded Universal Serial Bus Host Controller
ISP1160BD 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Embedded Universal Serial Bus Host Controller
ISP1160BD,157 功能描述:USB 接口集成電路 USB 1.1 HOST CONTROLLER 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
ISP1160BD/01 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Embedded Universal Serial Bus Host Controller
ISP1160BD/01,118 功能描述:USB 接口集成電路 USB HOST CTRL 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
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