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参数资料
| 型号： | I5104XY |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | 音频合成 |
| 英文描述： | 262.2 SEC, SPEECH SYNTHESIZER WITH RCDG, UUC25 |
| 封装： | DIE-25 |
| 文件页数： | 30/87页 |
| 文件大小： | 616K |
| 代理商： | I5104XY |
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37
8393B-MCU Wireless-02/13
ATmega256/128/64RFR2
Table 9-2. Interrupt Description in Basic Operating Mode
IRQ Vector
Number/
Priority
(1)
IRQ Name
Description
Section
64
TRX24_AWAKE
Indicates radio transceiver reached TRX_OFF
state RESET, or SLEEP states
63
TRX24_TX_END
Indicates the completion of a frame
transmission
62
TRX24_XAH_AMI
Indicates address matching
61
TRX24_CCA_ED_DONE
Indicates the end of a CCA or ED
measurement
60
TRX24_RX_END
Indicates the completion of a frame reception
59
TRX24_RX_START
Indicates the start of a PSDU reception. The
TRX_STATE changes to BUSY_RX, the PHR
is ready to be read from Frame Buffer
58
TRX24_PLL_UNLOCK
Indicates PLL unlock. If the radio transceiver
is in BUSY_TX / BUSY_TX_ARET state, the
PA is turned off immediately, END interrupts
will not happen (see Interrupt Handling on
57
TRX24_PLL_LOCK
Indicates PLL lock
Note:
1. The lowest IRQ Number has the highest priority.
During startup from SLEEP or RESET, the radio transceiver issues an TRX24_AWAKE
interrupt when it enters state TRX_OFF.
If the microcontroller initiates an energy-detect (ED) or clear-channel-assessment
(CCA) measurement, the completion of the measurement is indicated by interrupt
TRX24_CCA_ED_DONE, refer to sections "Energy Detection (ED)" on page 74 and
"Clear Channel Assessment (CCA)" on page 76 for details.
After RESET all interrupts are disabled. During radio transceiver initialization it is
recommended to enable AWAKE to be notified once the TRX_OFF state is entered.
Note that the TRX24_AWAKE interrupt can usually not be seen when the transceiver
enters TRX_OFF state after RESET, because register IRQ_MASK is reset to mask all
interrupts. In this case, state TRX_OFF is normally entered before the microcontroller
could modify the register.
The interrupt handling in Extended Operating Mode is described in section "Interrupt
9.3.3 Radio Transceiver Identification
The ATmega256/128/64RFR2 Transceiver module can be identified by four registers
(PART_NUM, VERSION_NUM, MAN_ID_0, MAN_ID_1). One register contains a
unique part number and one register the corresponding version number. Two additional
registers contain the JTAG manufacture ID. The transceiver identification registers are
provided for compatibility to the transceiver only device.
A unique device identification is also possible with the three AVR signature bytes. For
details about accessing this information refer to "Signature Bytes" on page 507.
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