cef830g Hope Microelectronics co., Ltd, cef830g Datasheet - Page 106

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cef830g

Manufacturer Part Number
cef830g
Description
Rf42/43 Ism Transmitter
Manufacturer
Hope Microelectronics co., Ltd
Datasheet
Register 7Bh. Turn Around and 15.4 Length Compliance
Reset value = 01111011
Register 7Ch. TX FIFO Control 1
Reset value = 00110111
Name
Name
Type
Type
7:6
5:0
Bit
6:3
1:0
Bit
Bit
Bit
7
2
Tel: +86-755-82973805
turn_around_en
15.4 Length
Reserved[6:3]
15.4 Length
phase[1:0]
txafthr[5:0]
R/W
Reserved
Name
D7
D7
Name
Reserved
R/W
15.4 Packet Length Compliance.
If set, then PK Length definition for both TX and RX will also include the CRC bytes,
If reset, then the Length refers ONLY to the DATA payload. For example, writing ―9‖
to this register when it is set, means we are sending/expecting ―7‖ bytes of DATA,
and the other ―2‖ should be the CRC (CRC should be enabled separately).
Reserved.
Turn Around Enable.
Enabling for the turn around functionality.
Turn Around Phase.
The RX to TX and vice-versa change in frequency will happen (if bit [2] is set) at the
last byte, and these two registers set the bit position in which the frequency shifts
should occur. Make sure it does not happen to early otherwise the last bits will be
missed.
D6
D6
Reserved.
TX FIFO Almost Full Threshold.
Fax: +86-755-82973550
Reserved[6:3]
D5
D5
R/W
D4
D4
E-mail: sales@hoperf.com
D3
Function
Function
D3
txafthr[5:0]
R/W
turn_around_en
R/W
D2
D2
R F 4 2 / 4 3
http://www.hoperf.com
D1
D1
phase[1:0]
R/W
D0
D0
106

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