參數(shù)資料
型號: R80C52XXX-12SHXXX
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, CQCC44
封裝: LCC-44
文件頁數(shù): 42/101頁
文件大?。?/td> 3398K
代理商: R80C52XXX-12SHXXX
68
6.1.1.4 Timing Summary
Table 6-1 shows timing information for the above mentioned frame structure depending
on the selected data rate.
Table 6-1. PPDU Timing
Duration
PHY Mode
PSDU
Bit Rate
[kbit/s]
Header
Bit Rate
[kbit/s]
SHR [s]
PHR [s]
Max. PSDU [ms]
20
2000
400
50.8
BPSK
(1)
40
1000
200
25.4
100
300
80
10.16
O-QPSK
(1)
250
160
32
4.064
200
100
300
80
5.08
400
100
300
80
2.54
500
250
160
32
2.032
O-QPSK
(2)
1000
250
160
32
1.016
Notes:
1. Compliant to IEEE 802.15.4-2006 [2]
2. High Data Rate Modes, see section 7.1.4
6.1.2 MAC Protocol Data Unit (MPDU)
Figure 6-2 shows the frame structure of the MAC layer.
Figure 6-2. IEEE 802.15.4-2006 Frame Format – MAC Layer Frame Structure
6.1.2.1 MAC Header (MHR)
The MAC header consists of the Frame Control Field (FCF), a sequence number, and
the addressing fields of variable length.
6.1.2.2 Frame Control Field (FCF)
The FCF occupies the first two octets of the MPDU.
Bits [2:0] describe the “Frame Type”. Table 6-2 summarizes frame types defined by [2],
section 7.2.1.1.1.
AT86RF212
8168C-MCU Wireless-02/10
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