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| 型號： | MCP6566UT-E/OT |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 21/30頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPARATOR O-D 1.8V SOT23-5 |
| 產(chǎn)品培訓(xùn)模塊： | MCP656x |
| 標準包裝： | 1 |
| 類型： | 通用 |
| 元件數(shù)： | 1 |
| 輸出類型： | CMOS，開路漏極 |
| 電壓 - 電源，單路/雙路(±)： | 1.8 V ~ 5.5 V |
| 電壓 - 輸入偏移（最小值）： | 10mV @ 5.5V |
| 電流 - 輸入偏壓（最小值）： | 1pA @ 5.5V |
| 電流 - 輸出（標準）： | 50mA |
| 電流 - 靜態(tài)（最大值）： | 130µA |
| CMRR, PSRR（標準）： | 66dB CMRR，70dB PSRR |
| 傳輸延遲（最大）： | 80ns |
| 磁滯： | 5mV |
| 工作溫度： | -40°C ~ 125°C |
| 封裝/外殼： | SC-74A，SOT-753 |
| 安裝類型： | 表面貼裝 |
| 包裝： | 標準包裝 |
| 產(chǎn)品目錄頁面： | 681 (CN2011-ZH PDF) |
| 其它名稱： | MCP6566UT-E/OTDKR |
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36
DS580F6
CS8406
16.APPENDIX B: CHANNEL STATUS AND USER DATA BUFFER
MANAGEMENT
The CS8406 has a comprehensive channel status (C) and user (U) data buffering scheme which allows the user to
manage the C and U data through the control port.
16.1 AES3 Channel Status(C) Bit Management
The CS8406 contains sufficient RAM to store a full block of C data for both A and B channels (192x2 = 384
bits), and also 384 bits of U information. The user may read from or write to these RAM buffers through the
control port.
The CS8406 manages the flow of channel status data at the block level, meaning that entire blocks of chan-
nel status information are buffered at the input, synchronized to the output timebase, and then transmitted.
The buffering scheme involves a cascade of 2 block-sized buffers, named E and F, as shown in Figure 17.
The MSB of each byte represents the first bit in the serial C data stream. For example, the MSB of byte 0
(which is at control port address 20h) is the consumer/professional bit for channel status block A.
The E buffer is accessible from the control port, allowing read and writing of the C data. The F buffer is used
as the source of C data for the AES3 transmitter. The F buffer accepts block transfers from the E buffer.
16.1.1
Accessing the E buffer
The user can monitor the data being transferred by reading the E buffer, which is mapped into the register
space of the CS8406, through the control port. The user can modify the data to be transmitted by writing
to the E buffer.
The user can configure the interrupt enable register to cause interrupts to occur whenever “E to F” buffer
transfers occur. This allows determination of the allowable time periods to interact with the E buffer.
Also provided is an “E to F” inhibit bit. The “E to F” buffer transfer is disabled whenever the user sets this
bit. This may be used whenever “l(fā)ong” control port interactions are occurring.
A flowchart for reading and writing to the E buffer is shown in Figure 18. For writing, the sequence starts
after a E to F transfer, which is based on the output timebase.
If the channel status block to transmit indicates PRO Mode, then the CRCC byte is automatically calcu-
lated by the CS8406, and does not have to be written into the last byte of the block by the host microcon-
Control Port
To
AES3
Transm itter
E
24
words
8-bits
AB
F
Transm it
Data
Buffer
Figure 17. Channel Status Data Buffer Structure
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| MCP6567A-E/MF | 功能描述:校驗器 IC Dual 18V Open Drain Cmparatr w/CS E temp RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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| MCP6567AT-E/MF | 功能描述:校驗器 IC Dual 18V Open Drain Cmparatr w/CS E temp RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MCP6567AT-E/UN | 功能描述:校驗器 IC Dual 18V Open Drain Cmparatr w/CS E temp RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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