参数资料
型号: SM1230E868
厂商: Semtech
文件页数: 11/46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:
产品目录页面: 584 (CN2011-ZH PDF)
SX1230
Integrated Transmitter IC
ADVANCED COMMUNICATIONS & SENSING
100 nF
DATASHEET
3V
100k
100 nF
C TX
PB(3:0)
VBAT
E2_MODE
NSS
CS
Hold
VCC
SX1230
MISO
MOSI
SO
SI
SPI
EEPROM
Match
RFOUT
SCK
SCK
L M
VR_ANA
VR_DIG
WP
VSS
10 nF
VR_PA
XTA
XTB
GND
100 nF
100 nF
15 pF
32 MHz
15 pF
Figure 3. SX1230 Stand-Alone Application Circuit
4.2.2. MCU Mode
The SX1230 is also capable of operating in a conventional MCU controlled mode. Figure 4 shows the SX1230 operating in
MCU mode and connected to an external microcontroller. Note that CLKOUT provides the oscillator signal for the MCU,
thus negating the need for two crystal oscillators. The DCLK connection is also optional - only being required if the data
rate is to be determined by SX1230 or transmit filtering is to be used.
EOL
100 nF
VCC
100 nF
C TX
3V
PB(3:1)
PB0
VBAT
CLKOUT
OSC1
DATA
DCLK
IO
IO
MISO
SI
MCU
SX1230
MOSI
SO
Match
L M
RFOUT
SCK
NSS
VR_ANA
VR_DIG
S C K
CS
10 nF
VR_PA
XTA
XTB
GND
MODE
VSS
100 nF
100 nF
15 pF
32 MHz
15 pF
Figure 4. SX1230 MCU Mode Application Circuit
SX1230, Revision 2 May 2009
?2008 Semtech Corp.
Page 11
www.semtech.com
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