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| 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： | 37/87页 |
| 文件大小： | 616K |
| 代理商： | I5104XY |
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43
8393B-MCU Wireless-02/13
ATmega256/128/64RFR2
Figure 9-14. Timing of TRX24_RX_START, TRX24_XAH_AMI, TRX24_TX_END and TRX24_RX_END Interrupts in
Basic Operating Mode
1 2 8
1 6 0
1 9 2
0
1 9 2 + ( 9 + m ) * 3 2
- 1 6
T i m e [ s ]
R
X
(D
e
v
ic
e
2
)
T R X 2 4 _ R X _ S T A R T
t IR Q
R X _ O N
I R Q
T R X _ S T A T E
I n t e r r u p t l a t e n c y
T R X 2 4 _
R X _ E N D
T R X 2 4 _ X A H _ A M I
t IR Q
B U S Y _ R X
T R X 2 4 _ T X _ E N D
T
X
(D
e
v
ic
e
1
)
P L L _ O N
B U S Y _ T X
P L L _ O N
I R Q
S L P T R
T R X _ S T A T E
T y p . P r o c e s s i n g D e l a y
1 6 s
F
ra
m
e
o
n
A
ir
P r e a m b l e
S F D
P H R
M S D U
4
1
m
N u m b e r o f O c t e t s
F r a m e C o n t e n t
M H R
7
F C S
2
9.4.1.4 Basic Operating Mode Timing
The following paragraphs depict state transitions and their timing properties. Timing
figures are explained in Table 9-4 on page 46 and section "Digital Interface Timing
9.4.1.4.1 Wake-up Procedure
The wake-up procedure from radio transceiver SLEEP state is shown in Figure 9-15
below. This figure implies, that the microcontroller is already running and hence, the
digital voltage regulator is enabled. If the microcontroller clock source is set to
Transceiver Clock, the crystal oscillator is also running, which reduces the radio
transceiver wake-up time further. For information about the wake-up timing of the
microcontroller, depending on the different clock source options, refer to "System Clock
In order to calculate the total wake-up delay from microcontroller sleep mode (see
"Power Management and Sleep Modes" on page 185), the microcontroller wake-up
time, including the voltage regulator ramp-up and the radio transceiver wake-up time
has to be added.
Figure 9-15. Wake-up Procedure from Transceiver SLEEP State
0
Event
State
Block
100
400
Time [s]
Tim e
tTR2
TRX_O FF
TRX24_AW AKE IRQ
SLPTR = 0
SLEEP
200
XO SC startup
XO SC enabled
FTN
The radio transceiver SLEEP state is left by releasing bit SLPTR to “0”. This restarts the
page 46) the radio transceiver enters TRX_OFF state. If the XOSC is already running,
the radio transceiver enters TRX_OFF state after 25 s.
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| I5108X | 制造商:WINBOND 制造商全称:Winbond 功能描述:SINGLE-CHIP 1 TO 16 MINUTES DURATION VOICE RECORD/PLAYBACK DEVICES WITH DIGITAL STORAGE CAPABILITY |
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