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STE2004 Datasheet(PDF) 31 Page - STMicroelectronics |
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STE2004 Datasheet(HTML) 31 Page - STMicroelectronics |
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31 / 66 page ![]() 31/66 STE2004 Figure 38. 3-lines serial interface protocol in Writing Mode Figure 39. 3-lines SPI interface protocol in Reading Mode WRITE MODE COMMAND WORD CONTROL BYTE MSB........LSB Co LAST N> 0 BYTE DATA Byte Control Byte 0 DATA Byte CONTROL BYTE C o D C 00 H [1] Control Byte R / W H [0] H E DATA Byte Control Byte Co 1 0 DATA Byte CONTROL BYTE MSB........LSB LAST N> 0 BYTE DATA Byte = Command if D/C=0 DATA Byte = DDRAM Data if D/C=1 DATA Byte Control Byte 0 DATA Byte CONTROL BYTE MSB........LSB LAST N> 0 BYTE 0 1 TRANSFERRED ONLY COMMANDS TRANSFERRED ONLY DDRAM DATA LR0002 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Don't Care CS SDIN SCLK High-Z DB1 DB0 High-Z Don't Care Don't Care Don't Care Don't Care Don't Care Don't Care Don't Care Command Write DATA Read DB7 DB6 DB5 DB4 DB3 DB2 Co=1 D/C=0 "Command" R/W=1 "Read" SDOUT High-Z DB1 DB0 High-Z DB7 DB6 DB5 DB4 DB3 DB2 ID-Number STATUS BYTE LR0077 |
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