Rev
v.1.1
N303双
模导航定½
½模块用户手册
目
1
1.1
1.2
1.3
1.4
1.5
½
功½描
.................
描述
......................
............................................
.................................................... 5
概述
概
.................
......................
............................................
.................................................... 5
产品特性
.........
产
......................
............................................
.................................................... 5
性½指标
.........
性
......................
............................................
.................................................... 6
应用
应
.................
......................
............................................
.................................................... 6
功½框图和典型
功
型应用
..........
............................................
.................................................... 7
功½框图
.....
...................... ...........................................
.................................................... 7
1.5.2
典型应用
.....
...................... ...........................................
.................................................... 7
1.5.1
2
模块接
接口说明
.........
......................
............................................
.................................................... 8
2.1
硬件接口
.........
硬
......................
............................................
.................................................... 8
电源
.............
...................... ...........................................
.................................................... 8
2.1.2
天线接口
.....
...................... ...........................................
.................................................... 8
2.1.3
复½接口
.....
...................... ...........................................
.................................................... 8
2.1.4
1PPS
信号接
................. ...........................................
接口
.................................................... 8
2.1.5
UART
接口
...
...................... ...........................................
.................................................... 8
2.2
½件接口协议
......................
½
.
............................................
.................................................... 9
2.2.1
语句格式和内
.............. ...........................................
和内容
.................................................... 9
2.2.2
输出语句
.....
...................... ...........................................
.................................................. 10
2.2.3
输入语句
.....
...................... ...........................................
.................................................. 10
2.1.1
3
设计特
.................
特性
......................
............................................
.................................................. 13
3.1
3.2
3.3
4
管脚定义
.........
管
......................
............................................
.................................................. 13
机械尺寸
.........
机
......................
............................................
.................................................. 14
推荐封装
.........
推
......................
............................................
.................................................. 15
电气和
和温度特性
.....
......................
............................................
.................................................. 15
4.1
模块直流特性
......................
模
.
............................................
.................................................. 15
极限工½条件
.................. ...........................................
条件
.................................................. 15
4.1.2
推荐工½条件
.................. ...........................................
条件
.................................................. 16
4.2
焊接温度曲线
......................
焊
.
............................................
.................................................. 16
4.2.1
预热阶段
.....
...................... ...........................................
.................................................. 16
4.2.2
恒温阶段
.....
...................... ...........................................
.................................................. 16
4.2.3
熔锡阶段
.....
...................... ...........................................
.................................................. 16
4.2.4
冷却阶段
.....
...................... ...........................................
.................................................. 16
4.2.5
推荐炉温曲线
线如下图:
.. ...........................................
.................................................. 17
4.1.1
5
注意事
.................
事项
......................
............................................
.................................................. 17
5.1
5.2
5.3
天线供电
.........
天
......................
............................................
.................................................. 17
静电防护
.........
静
......................
............................................
.................................................. 18
PC
CB设计建议 ......................
.
............................................
.................................................. 18
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A
erved.
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htotop Confide
ential
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Rev
v.1.1
5.4
5.5
5.6
6
N303双
模导航定½
½模块用户手册
复½接口
.........
复
......................
............................................
.................................................. 18
模块½件升级
......................
模
.
............................................
.................................................. 19
其他
其
.................
......................
............................................
.................................................. 19
订货信
信息与标识规则
..................
则
............................................
.................................................. 19
6.1
6.2
订货信息
.........
订
......................
............................................
.................................................. 19
标识规则
.........
标
......................
............................................
.................................................. 19
7
联系我
.................
我们
......................
............................................
.................................................. 20
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ential
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erved.
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