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| 型号： | SM1230E868 |
| 厂商： | Semtech |
| 文件页数： | 9/46页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL XMITTER FOR SX1230 |
| 设计资源： | SM1230 BOM SX1230 Eval Board Schematic |
| 标准包装： | 1 |
| 类型： | 发射器 |
| 频率： | 868MHz |
| 适用于相关产品： | SX1230 |
| 已供物品： | 板 |
| 产品目录页面： | 584 (CN2011-ZH PDF) |
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SX1230
Integrated Transmitter IC
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
Symbol
TS_TR
Description
Transmitter wake-up time
Conditions
Frequency synthesizer enabled.
Min
-
Typ
120
Max
-
Unit
μs
Note, depends upon bit rate and
ramp time, please refer to Section
7.4.
TS_OS
FXOSC
Crystal oscillator wake-up time
Crystal oscillator frequency
-
26
300
32
500
32
μs
MHz
TS_TT
Total Wake up time
Sleep to transmit, automated. Note,
-
450
-
μs
depends upon bit rate and ramp
time, please refer to Section 7.4.
T_DATA
Data set-up time
-
-
0.25
μs
3. Timing Characteristics
The following table gives the operating specifications for the SPI interface of the SX1230.
Table 5
SPI Timing Specifications
Symbol
f SCK
t ch
t cl
t rise
t fall
t setup
t hold
t nl
t nh,n
Description
SCK Frequency
SCK High time
SCK Low time
SCK rise time
SCK Fall time
MOSI Setup time
MOSI hold time
NSS setup time
NSS Hold time
Conditions
From MOSI transition to SCK rising
edge
From SCK rising edge to MOSI tran-
sition
From NSS falling edge to SCK rising
edge
From SCK falling edge to NSS rising
edge.
Min
-
50
50
-
-
30
20
30
30
Typ
-
-
-
5
5
-
-
-
Max
10
-
-
-
-
-
-
-
-
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
For explanatory diagrams of the timing characteristic parameters, please see Figure 7 and Figure 8.
SX1230, Revision 2 May 2009
?2008 Semtech Corp.
Page 9
www.semtech.com
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