参数资料
型号: SX1211I084TRT
厂商: Semtech
文件页数: 63/92页
文件大小: 0K
描述: IC SNGL-CHIP TXRX 32-TQFN
标准包装: 1
频率: 860 ~ 960MHz
数据传输率 - 最大: 200kbps
调制或协议: FSK,OOK
应用: AMR,ISM,安防门禁
功率 - 输出: 12.5dBm
灵敏度: -113dBm
电源电压: 2.1 V ~ 3.6 V
电流 - 接收: 3mA
电流 - 传输: 25mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
工作温度: -40°C ~ 85°C
封装/外壳: 32-TQFN
包装: 标准包装
产品目录页面: 584 (CN2011-ZH PDF)
配用: 1210-1060-2-ND - 915MHZ ASPICS SX1211 CHIP SET
1210-1059-2-ND - 868MHZ ASPICS SX1211 CHIP SET
1210-1060-6-ND - 915MHZ ASPICS SX1211 CHIP SET
1210-1059-6-ND - 868MHZ ASPICS SX1211 CHIP SET
1210-1060-1-ND - 915MHZ ASPICS SX1211 CHIP SET
1210-1059-1-ND - 868MHZ ASPICS SX1211 CHIP SET
其它名称: SX1211I084DKR
SX1211
WIRELESS & SENSING
Name
Res
RSSI_val
Bits
7-0
7-0
Address (d)
19
20
RW
r/w
r
Description
Reserved
(d): “00000111”
RSSI output, 0.5 dB / bit
Note: READ-ONLY (not to be written)
Size of each decrement of the RSSI threshold in the OOK demodulator
000
0.5 dB (d) 100
3.0 dB
OOK_thresh_step
7-5
21
r/w
001
1.0 dB 101
4.0 dB
010
011
1.5 dB 110
2.0 dB 111
5.0 dB
6.0 dB
Period of decrement of the RSSI threshold in the OOK demodulator:
000
001
once in each chip period (d)
once in 2 chip periods
OOK_thresh_dec
_period
4-2
21
r/w
010
011
100
once in 4 chip periods
once in 8 chip periods
twice in each chip period
101
110
111
4 times in each chip period
8 times in each chip period
16 times in each chip period
Cutoff frequency of the averaging for the average mode of the OOK
threshold in demodulator
OOK_avg_thresh
_cutoff
1-0
21
r/w
00
01
f C ≈ BR / 8. π (d)
Reserved
10
11
Reserved
f C ≈ BR / 32. π
6.5. Sync Word Parameters - SYNCParam
The detailed description of the SYNCParam register is given in Table 30.
Table 30: SYNCParam Register Description
Name
Sync_value(31:24)
Sync_value(23:16)
Sync_value(15:8)
Sync_value(7:0)
Bits
7-0
7-0
7-0
7-0
Address (d)
22
23
24
25
RW
r/w
Description
1 st Byte of Sync word
(d): “00000000”
2 nd Byte of Sync word (only used if Sync_size ≠ 00)
(d): “00000000”
3 rd Byte of Sync word (only used if Sync_size = 1x)
(d): “00000000”
4 th Byte of Sync word (only used if Sync_size = 11)
(d): “00000000”
Rev 8 – February 2013
Page 63 of 92
www.semtech.com
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