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參數(shù)資料
| 型號(hào)： | KS8701 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | FLEXTM Roaming Decoder II |
| 中文描述： | FLEXTM漫游解碼器二 |
| 文件頁(yè)數(shù)： | 51/73頁(yè) |
| 文件大?。?/td> | 434K |
| 代理商： | KS8701 |
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Decoder-to-Host Packet Descriptions
KS8701
50
FLEX
TM
Roaming Decoder II
RECEIVER SHUTDOWN PACKET
The Shutdown Packet is sent in both synchronous and asynchronous mode. It is designed to indicate to the
host that the receiver is turned off and how much time there is until the KS8701 will automatically turn it back on.
Table 27: Receiver Shut Down Packet Bit Assignments
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Byte 3
0
1
1
1
1
1
1
0
Byte 2
FNV
CF
6
TNF
6
NAF
6
CF
5
TNF
5
NAF
5
CF
4
TNF
4
NAF
4
CF
3
TNF
3
NAF
3
CF
2
TNF
2
NAF
2
CF
1
TNF
1
NAF
1
CF
0
TNF
0
NAF
0
Byte 1
TNF
7
FCO
Byte 0
FNV:
Frame Number Valid. This bit is set if the last decoded frame info word was correctable and the frame
number was the expected value. When in asynchronous mode, this value will be 0.
CF:
Current Frame. When in synchronous mode, this is the current frame number. This value is latched
on the negative edge of the
READY
line when this packet is sent to the host. The value of this field is
valid only if the KS8701 is in synchronous mode and the
FIV
bit in the status packet is set. When in
asynchronous mode, this value will be 0.
TNF:
Time to Next Frame. When in synchronous mode
TNF
indicates the time to the start of the A-word
check if the KS8701 were to warm up for the next frame. When in asynchronous mode
TNF
indicates
the time to the start of the next automatic noise detect. See
“
Using the Receiver Shutdown Packet
”
on
page 66 for an explanation on how to use this value. This value is latched on the negative edge of the
READY
line when this packet is sent to the host.
FCO:
Frame Carried On. Set if the KS8701 is decoding the next frame due to the reception of a non-zero
carry-on value in a previous frame. When in synchronous mode, this value will be 0.
NAF:
Next Assigned Frame. This is the frame number of the next frame the KS8701 was scheduled to
decode when the receiver shut down. The value of this field is valid only if the KS8701 is in
synchronous mode and the
FIV
bit in the status packet is set. When in asynchronous mode this value
will be 0.
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| KS8721B TR | 功能描述:IC TXRX PHY 10/100 2.5V 48SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,140 系列:AU 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:CAN 電源電壓:5.3 V ~ 27 V 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SO 包裝:管件 其它名稱:935267940512AU5790D14AU5790D14-ND |
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