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SA9122EFA 参数 Datasheet PDF下载

SA9122EFA图片预览
型号: SA9122EFA
PDF下载: 下载PDF文件 查看货源
内容描述: 单相单向功率/电能计量芯片有独立的64段LCD驱动器 [SINGLE PHASE UNIDIRECTIONAL POWER/ENERGY METERING IC WITH SEPERATE 64 SEGMENT LCD DRIVER]
分类和应用: 驱动器
文件页数/大小: 12 页 / 203 K
品牌: SAMES [ SAMES ]
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SA9122E
3.
LCD Programming Protocol
Programming of the SA9122E's on-chip Liquid Crystal Display memory is performed
via a serial interface having a RS232 data format. The data for display is transferred
on RX at 19 200 baud.
The format of the data as well as the data memory map, is given below:
Data format on RX
START
DR-00937
A0
A1
A2
A3
D0
D1
D2
D3
STOP
LCD memory map
Inserting a '1' into a memory location turns the segment on and a '0' turns the
segment off.
A3
A2
A1
A0
D3
D2
D1
D0
Pin
0
0
0
0
S[0]
0
0
0
1
S[1]
0
0
1
0
S[2]
0
0
1
1
S[3]
0
1
0
0
S[4]
0
1
0
1
S[5]
0
1
1
0
S[6]
0
1
1
1
S[7]
1
0
0
0
S[8]
1
0
0
1
S[9]
1
0
1
0
S[10]
1
0
1
1
S[11]
1
1
0
0
S[12]
1
1
0
1
S[13]
1
1
1
0
S[14]
1
1
1
1
S[15]
R[3]
R[2]
R[1]
R[0]
sames
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