參數(shù)資料
型號： ISP1130DL
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, PDSO56
封裝： PLASTIC, SSOP-56
文件頁數(shù)： 28/68頁
文件大?。?/td> 1786K
代理商： ISP1130DL
Philips Semiconductors
ISP1130
USB compound hub with keyboard controller
Objective specification
Rev. 01 — 23 March 2000
28 of 68
9397 750 06895
Philips Electronics N.V. 2000. All rights reserved.
[1]
[2]
A logic 1 indicates that the packet was successfully received via the USB bus.
A logic 1 indicates that the packet in the buffer has a SETUP token.
9.2.4
Write Buffer command
Fills the data buffer of the selected endpoint. Following the command, a maximum of
(N
+
2) bytes may be written, N representing the size of the endpoint buffer (see
Table 3
). After each byte the internal buffer pointer is automatically incremented by 1.
To reset the buffer pointer to the start of the buffer, use the Select Endpoint
command.
Code (Hex) —
F0
Transaction —
write multiple bytes (max. N
+
2, N = buffer size).
Writing a buffer may be interrupted by any other command (except for Select
Endpoint). The data must be organized in the same way as shown in
Table 31
. Upon
writing, the value of byte 0 must be zero.
Remark:
There is no protection against writing or reading past a buffer’s boundary,
against writing into an OUT buffer or reading from an IN buffer. Any of these actions
could cause an incorrect operation. Data residing in an OUT buffer are only
meaningful after a successful transaction.
9.2.5
Select Endpoint/Clear Interrupt
Selects the endpoint and clears the associated interrupt. In case of a Control
endpoint, it also clears the SetupPacket and PacketOverwritten status bits. A data
read following the command returns the endpoint buffer status (see
Table 29
and
Table 30
).
Code (Hex) —
40 to 4B (endpoint index 0 to 11)
Transaction —
read 1 byte.
9.2.6
Clear Buffer command
Unlocks the buffer of the selected endpoint, allowing the reception of new packets. An
optional data read may follow the command, returning the packet status (see
Table 32
).
Code (Hex) —
F2
Transaction —
read 1 byte (optional).
When a packet has been received successfully, an internal Buffer Full flag is set. Any
subsequent packets will be refused by returning a NAK. After reading all data, the
microcontroller must free the buffer using the Clear Buffer command.
Table 31: Endpoint buffer organization
Byte #
Bit 7
0
0/1
[1]
1
X
2
...
N
+
2
Bit 6
0/1
[2]
Bit 5
X
Bit 4
X
Bit 3
X
Bit 2
X
Bit 1
X
Bit 7
X
N (number of data bytes in the buffer)
data byte 0
...
data byte N
1
相關(guān)PDF資料
PDF描述
ISP1130N Universal Serial Bus compound hub with integrated keyboard controller
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISP1130N 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub with integrated keyboard controller
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
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