参数资料
型号: AT86RF230-ZU
厂商: ATMEL CORP
元件分类: 网络接口
英文描述: ZigBee/IEEE 802.15.4-Transceiver
中文描述: DATACOM, INTERFACE CIRCUIT, PQCC32
封装: 5 X 5 MM, 0.50 MM PITCH, GREEN, PLASTIC, MO-220VHHD-6, QFN-32
文件页数: 11/50页
文件大小: 445K
代理商: AT86RF230-ZU
11
AT86RF230
5131A-ZIGB-06/14/06
4. Basic Operating Modes
This section summarizes all features that are needed to provide the basic functionality of a transceiver system,
such as receiving and transmitting frames, and powering down. These basic operating modes are sufficient for
ZigBee applications and are shown in
Figure 4-1
.
2
TRX_OFF
SLP_TR=1
Legend:
Blue: SPI Write to Register TRX_STATE (0x02)
Red: Control signals via IC Pin
Green: Event
SLP_TR=0
PLL_ON
RX_ON
PLL_ON
TRX_OFF
(Clock Mode)
XOSC=ON
Pull=OFF
RX_ON
P_ON
(Power-on after VDD)
XOSC=ON
Pull=ON
SLEEP
(Sleep Mode)
XOSC=OFF
Pull=OFF
(all modes except P_ON)
FORCE_TRX_OFF
(all modes except SLEEP)
Frame
Start
Frame
End
Frame
End
BUSY_TX
(Transmit Mode)
PLL_ON
(PLL Mode)
RX_ON
(Rx Listen Mode)
BUSY_RX
(Receive Mode)
CLKM=ON
TX_START
SLP_TR=1
TRX_OFF
TRX_OFF
1
3
4
5
7
6
8
9
11
10
RX_ON_NOCLK
(Rx Listen Mode)
CLKM=OFF
SLP_TR=1
SLP_TR=0
F
S
CLKM=ON
RST=0
12
13
Figure 4-1.
Basic Operating Modes State Diagram
4.1. Configuration
The operating modes are controlled by two signal pins and the SPI access to register 0x02 (TRX_STATE). The
successful state change can be confirmed by reading the transceiver state from register 0x01 (TRX_STATUS).
The pin SLP_TR is used to enter SLEEP mode where current consumption is minimal (leakage current only) and to
wake-up the transceiver.
The pin
RST
provides a reset of all registers and forces the transceiver into TRX_OFF mode, if the IC is not in the
P_ON mode.
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