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參數(shù)資料
| 型號(hào)： | CY7C67200 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | EZ-OTG Programmable USB On-The-Go Host/Peripheral Controller(EZ-OTG可編程USB On-The-Go主機(jī)/外圍設(shè)備控制器) |
| 中文描述： | 的EZ - OTG公司可編程的USB On - The - Go的主機(jī)/外設(shè)控制器（的EZ - OTG公司可編程的USB On - The - Go的主機(jī)/外圍設(shè)備控制器） |
| 文件頁(yè)數(shù)： | 22/82頁(yè) |
| 文件大?。?/td> | 1719K |
| 代理商： | CY7C67200 |
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CY7C67200
Document #: 38-08014 Rev. *F
Page 22 of 82
Register Description
The Host n Count register is used to hold the number of bytes (packet length) for the current transaction. The maximum packet
length is 1023 bytes in ISO mode. The Host Count value is used to determine how many bytes to transmit, or the maximum
number of bytes to receive. If the number of received bytes is greater then the Host Count value then an overflow condition will
be flagged by the Overflow bit in the Host n Endpoint Status register.
Count
(Bits [9:0])
The Count field sets the value for the current transaction data packet length. This value is retained when switching between host
and device mode, and back again.
Reserved
All reserved bits must be written as ‘0’.
8.4.4
Host 1 Endpoint Status Register 0xC086
Host 2 Endpoint Status Register 0xC0A6
Host n Endpoint Status Register [R]
Figure 8-19. Host n Endpoint Status Register
Register Description
The Host n Endpoint Status register is a read only register that
provides status for the last USB transaction.
Overflow Flag
(Bit 11)
The Overflow Flag bit indicates that the received data in the
last data transaction exceeded the maximum length specified
in the Host n Count Register. The Overflow Flag should be
checked in response to a Length Exception signified by the
Length Exception Flag set to ‘1’.
1:
Overflow condition occurred
0:
Overflow condition did not occur
Underflow Flag
(Bit 10)
The Underflow Flag bit indicates that the received data in the
last data transaction was less then the maximum length
specified in the Host n Count register. The Underflow Flag
should be checked in response to a Length Exception signified
by the Length Exception Flag set to ‘1’.
1:
Underflow condition occurred
0:
Underflow condition did not occur
Stall Flag
(Bit 7)
The Stall Flag bit indicates that the peripheral device replied
with a Stall in the last transaction.
1:
Device returned Stall
0:
Device did not return Stall
NAK Flag
(Bit 6)
The NAK Flag bit indicates that the peripheral device replied
with a NAK in the last transaction.
1:
Device returned NAK
0:
Device did not return NAK
Length Exception Flag
(Bit 5)
The Length Exception Flag bit indicates the received data in
the data stage of the last transaction does not equal the
maximum Host Count specified in the Host n Count register. A
Length Exception can either mean an overflow or underflow
and the Overflow and Underflow flags (bits 11 and 10, respec-
tively) should be checked to determine which event occurred.
1:
An overflow or underflow condition occurred
0:
An overflow or underflow condition did not occur
Bit #
15
14
13
12
11
10
9
8
Field
Reserved
Overflow
Flag
Underflow
Flag
Reserved
Read/Write
-
-
-
-
R
R
-
-
Default
0
0
0
0
0
0
0
0
Bit #
7
6
5
4
3
2
1
0
Field
Stall
Flag
NAK
Flag
Length
Exception
Flag
Reserved
Sequence
Status
Timeout
Flag
Error
Flag
ACK
Flag
Read/Write
R
R
R
-
R
R
R
R
Default
0
0
0
0
0
0
0
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C672001-48BAXI | 功能描述:8位微控制器 -MCU CY7C672001-48BAXI RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| CY7C672001-48BAXIT | 功能描述:8位微控制器 -MCU CY7C672001-48BAXIT RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線(xiàn)寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| CY7C67200-48BAXI | 功能描述:USB 接口集成電路 LO PWR OTG IND RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類(lèi)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 |
| CY7C67200-48BAXIT | 功能描述:USB 接口集成電路 LO PWR OTG IND RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類(lèi)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 |
| CY7C67300-100AI | 制造商:Cypress Semiconductor 功能描述:INTERFACE MISC |
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