3 / 21 SKG122Y-DA-001,A/0
双频定位模块规格书
Module No.: SKG122Y
目录
1 产品简介....................................................................................................................................................................................4
2 典型应用....................................................................................................................................................................................4
3 产品特点....................................................................................................................................................................................4
4 性能参数....................................................................................................................................................................................5
5 PIN 脚定义.................................................................................................................................................................................7
6 电气特性....................................................................................................................................................................................8
6.1 极限值............................................................................................................................................................................. 8
6.2 运行条件......................................................................................................................................................................... 9
7 传输及外设接口........................................................................................................................................................................9
7.1 PPS................................................................................................................................................................................. 9
7.2 I2C（预留，可定制）...................................................................................................................................................9
7.3 UART............................................................................................................................................................................ 10
7.4 GPIO（预留，可定制）.............................................................................................................................................10
7.5 EXTINT（预留，可定制）........................................................................................................................................ 10
7.6 SPI（预留，可定制）................................................................................................................................................ 10
7.7 USB（预留，可定制）.............................................................................................................................................. 10
8 默认配置................................................................................................................................................................................. 10
9 天线开短路检测...................................................................................................................................................................... 11
10 软件说明............................................................................................................................................................................... 11
10.1 NMEA 0183 协议......................................................................................................................................................11
10.2 GGA-定位数据信息.................................................................................................................................................. 12
10.3 GSA-当前卫星信息...................................................................................................................................................13
10.4GSV-可见卫星信息....................................................................................................................................................14
10.5RMC-推荐定位信息................................................................................................................................................... 15
11 机械尺寸............................................................................................................................................................................... 16
12 包装规格................................................................................................................................................................................ 18
13 贴片建议............................................................................................................................................................................... 19
14 参考电路............................................................................................................................................................................... 20
15 版本历史............................................................................................................................................................................... 20
16 联系方式............................................................................................................................................................................... 21
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