si4330 Silicon Laboratories, si4330 Datasheet - Page 104

• Manufacturer Part Number: si4330
• Description: Si4330 Ism Receiver
• Manufacturer: Silicon Laboratories

Register 33h. Header Control 2
Si4330
Reset value = 00100010
104
Name
Type
Bit
6:4
2:1
Bit
7
3
0
synclen[1:0]
Reserved
hdlen[2:0]
prealen[8]
Reserved
fixpklen
Name
D7
R
Reserved.
Header Length.
Length of header used if packet handler is enabled for RX (enpacrx). Headers are
received 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 fixp-
klen = 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.
D6
hdlen[2:0]
R/W
D5
No RX header
Header 3
Header 3 and 2
Header 3 and 2 and 1
Header 3 and 2 and 1 and 0
Synchronization Word 3
Synchronization Word 3 and 2
Synchronization Word 3 and 2 and 1
Synchronization Word 3 and 2 and 1 and 0
Preliminary Rev 0.2
D4
fixpklen
Function
R/W
D3
D2
synclen[1:0]
R/W
D1
prealen[8]
R/W
D0