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PCF2103 데이터시트(PDF) 21 Page - NXP Semiconductors |
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PCF2103 데이터시트(HTML) 21 Page - NXP Semiconductors |
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21 / 56 page ![]() 1998 May 11 21 Philips Semiconductors Product specification LCD controllers/drivers PCF2103 family Fig.11 4-bit transfer example. MGA804 RS E DB7 R/W DB6 DB5 DB4 instruction write busy flag and address counter read data register read IR7 IR3 BF AC3 DR7 DR3 IR6 IR2 AC6 AC2 DR6 DR2 IR5 IR1 AC5 AC1 DR5 DR1 IR4 IR0 AC4 AC0 DR4 DR0 Fig.12 An example of 4-bit data transfer timing sequence. IR7 and IR3: instruction 7th and 3rd bit. AC3: address counter 3rd bit. D7 and D3: data 7th and 3rd bit. MGA805 RS E internal DB7 R/W internal operation IR7 IR3 AC3 D7 D3 not busy AC3 busy instruction write busy flag check busy flag check instruction write |
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