参数资料
型号: SM1230E868
厂商: Semtech
文件页数: 23/46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
DATASHEET
Addr.
0x07
Register Name
FrfLsb
Default
0x00
Bits
7:0
Variable Name
freq_rf(7:0)
Mode
rw
Description
RF carrier frequency LSB
freq_rf(23:0) ? f XOSC
19
f RF = --------------------------------------------------
2
For f XOSC = 32 MHz, resolution = 61.035 Hz
Default = 0xE4C000, gives 915 MHz
0x08
PaCtrl
0x3F
7
-
r
unused
6:5
pa_select
rw
Selects between PA1 and PA2
00 = unused
01 = PA1 selected (d)
10 = reserved
11 = PA1 and PA2 selected.
4:0
pow_val(4:0)
rw
Output power
Pout = -18 dBm + pow_val
Default is 13 dBm.
0x09
PaFskRamp
0x08
7:4
-
r
unused
3:0
pa_ramp_rising_time(3:0)
rw
Rise/fall time ramping (FSK only)
0000 = 2 ms
0001 = 1 ms
0010 = 500 us
0011 = 250 us
0100 = 125 us
0101 = 100 us
0110 = 62 us
0111 = 50 us
1000 = 40 us (d)
1001 = 31 us
1011 = 25 us
1010 = 20 us
1100 = 15 us
1101 = 12 us
1110 = 10 us
1111 = 8 us
SX1230, Revision 2 May 2009
?2008 Semtech Corp.
Page 23
www.semtech.com
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