cef830g Hope Microelectronics co., Ltd, cef830g Datasheet - Page 78

• Manufacturer Part Number: cef830g
• Description: Rf42/43 Ism Transmitter
• Manufacturer: Hope Microelectronics co., Ltd

Register 33h. Header Control 2
Reset value = 00100010
Name
Type
Bit
Bit
6:4
2:1
7
3
0
Tel: [phone]
Reserved
synclen[1:0]
R
D7
hdlen[2:0]
prealen[8]
Reserved
fixpklen
Name
D6
Reserved.
Header Length.
Length of header used if packet handler is enabled for TX (enpactx). Headers
are transmitted in descending order.
000:
001:
010:
011:
100:
Fix Packet Length.
When fixpklen = 1 the packet length (pklen[7:0]) is not included in the header.
When fixpklen = 0 the packet length is included in the header.
Synchronization Word Length.
The value in this register corresponds to the number of bytes used in the
Synchronization Word. The synchronization word bytes are transmitted in
descending order.
00:
01:
10:
11:
MSB of Preamble Length.
See register Preamble Length.
Fax: [phone]
Synchronization Word 3
Synchronization Word 3 and 2
Synchronization Word 3 and 2 and 1
Synchronization Word 3 and 2 and 1 and 0
hdlen[2:0]
No TX header
Header 3
Header 3 and 2
Header 3 and 2 and 1
Header 3 and 2 and 1 and 0
R/
D5
w
D4
E-mail: [e-mail]
fixpklen
R/
Function
D3
w
D2
synclen[1:0]
R F 4 2 / 4 3
http://www.hoperf.com
R/
w
D1
prealen[8]
R/
D0
w
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