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參數(shù)資料
| 型號(hào)： | ASCELL3911 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | ER 6C 6#16 SKT RECP LINE |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO14 |
| 封裝： | TSSOP-14 |
| 文件頁數(shù)： | 6/13頁 |
| 文件大?。?/td> | 104K |
| 代理商： | ASCELL3911 |
ISM 868 MHz, 433 MHz and 315 MHz FSK Transmitter – Preliminary Data Sheet
ASCell3911
Rev. A, February 2000
Page 6 of 13
Austria Mikro Systeme International AG
SERIAL DATA OUT (P1)
STOP TRANSMIT (P4)
NCLEAR
CLK
μC_CLK
DATA
WAKEUP
10k
μC
10k
Transmit
button
SW
I
O
O
I/O
I/O
I
I
SERIAL DATA ENABLE (P2)
D_EN
I
O
SERIAL DATA CLOCK (P3)
D_CLK
I
O
Figure 3:
Interconnection of the ASCell3911 with a typical μC with one button to wake up the whole
system (example).
Note:
At room temperature, resistor values of
≈
10 k
are suggested for the μC interface.
SW
μC_CLK
WAKEUP
P4
standby
startup
32 clocks
16 clocks
active/transmisson
4 clocks
standby
open
closed
SC3911
reset μC
power
down μC
μC SC3911
startup
μC
Figure 4:
μC interface timing for wake-up and power down control.
Note:
The dashed lines indicate weak high or low state when the μC_CLK or WAKEUP output of the ASCell3911 is disabled
(in high-resistive Z state) and pulled ”H” or ”L” by the internal pull-up device or by the μC via a resistor. These weak
states can be overridden by the ASCell3911 if the respective outputs are enabled. Whenever a line is pulled via an ex-
ternal resistor, however, this should override the internal pull-up devices of the ASCell3911.
1.6.1 Interface Description
It is assumed that the μC remains in low power standby mode as long as the P4 pin is kept ”L”
and no clock cycles are applied.
Standby:
During standby (default after V
CC
-on) the XTAL oscillator is turned off and ASCell3911
holds the μC in a reset state:
ASCell3911
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ASCELL3912 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:ISM 868 MHz, 433 MHz and 315 MHz FSK Transmitter |
| ASCF21U | 制造商:ABRACON 制造商全稱:Abracon Corporation 功能描述:CERAMIC SURFACE-MOUNT 21.4MHz and 45MHz FUNDAMENTAL MONOLITHIC CRYSTAL FILTERS |
| ASCF21U15 | 制造商:ABRACON 制造商全稱:Abracon Corporation 功能描述:CERAMIC SURFACE-MOUNT 21.4MHz and 45MHz FUNDAMENTAL MONOLITHIC CRYSTAL FILTERS |
| ASCF21U20 | 制造商:ABRACON 制造商全稱:Abracon Corporation 功能描述:CERAMIC SURFACE-MOUNT 21.4MHz and 45MHz FUNDAMENTAL MONOLITHIC CRYSTAL FILTERS |
| ASCF21U30 | 制造商:ABRACON 制造商全稱:Abracon Corporation 功能描述:CERAMIC SURFACE-MOUNT 21.4MHz and 45MHz FUNDAMENTAL MONOLITHIC CRYSTAL FILTERS |
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