参数资料
型号: MB9BF505NBGL
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PBGA112
封装: 10 X 10 MM, 1.45 MM HEIGHT, 0.80 MM PITCH, PLASTIC, FBGA-112
文件页数: 16/120页
文件大小: 1277K
代理商: MB9BF505NBGL
112
8266D-MCU Wireless-06/12
ATmega128RFA1
Bit 7 – CCA_REQUEST - Manual CCA Measurement Request
A manual CCA measurement is initiated with setting CCA_REQUEST=1. The end of
the CCA measurement is indicated by the TRX24_CCA_ED_DONE interrupt. Register
bits CCA_DONE and CCA_STATUS of register TRX_STATUS are updated after a
CCA_REQUEST. The register bit is automatically cleared after requesting a CCA
measurement with CCA_REQUEST=1.
Bit 6:5 – CCA_MODE1:0 - Select CCA Measurement Mode
The CCA mode can be selected using these register bits. Note that IEEE 802.15.4-
2006 CCA Mode 3 defines the logical combination of CCA Mode 1 and 2 with the
logical operators AND or OR. This can be selected with CCA_MODE=0 for logical
operation OR and CCA_MODE=3 for logical operation AND.
Table 9-42 CCA_MODE Register Bits
Register Bits
Value
Description
0
Mode 3a, Carrier sense OR energy above
threshold
1
Mode 1, Energy above threshold
2
Mode 2, Carrier sense only
CCA_MODE1:0
3
Mode 3b, Carrier sense AND energy above
threshold
Bit 4:0 – CHANNEL4:0 - RX/TX Channel Selection
These register bits define the RX/TX channel. The channel assignment is according to
IEEE 802.15.4.
Table 9-43 CHANNEL Register Bits
Register Bits
Value
Description
11
2405 MHz
12
2410 MHz
13
2415 MHz
14
2420 MHz
15
2425 MHz
16
2430 MHz
17
2435 MHz
18
2440 MHz
19
2445 MHz
20
2450 MHz
21
2455 MHz
22
2460 MHz
23
2465 MHz
24
2470 MHz
25
2475 MHz
CHANNEL4:0
26
2480 MHz
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