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VR4102 Datasheet(PDF) 263 Page - NEC |
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VR4102 Datasheet(HTML) 263 Page - NEC |
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263 / 701 page  CHAPTER 10 BCU (BUS CONTROL UNIT) 263 10.5.3 LCD Interface The space of the physical address, from 0x0A00 0000 to 0x0AFF FFFF can be used as the LCD space by setting the ISM/LCD bit of the BCUCNTREG1. WLCD/M[2:0] (BCUSPEEDREG [10:8]) can be used to set the access time. Table 10-12. Access Times for LCD Interface WLCD/M [2:0] Tlcd (TClock) 000 8 001 6 010 4 011 2 100 - 111 RFU Figure 10-16. 2-byte Access to LCD Controller (WLCD/M[2:0] = 010) Tlcd RD#/WR# LCDRDY LCDCS# ADD[25:0] TClock(Internal) Figure 10-17. 2-byte Access to LCD Controller (WLCD/M[2:0] = 011) Tlcd Wait cycle insertion via LCDRDY signal TClock(Internal) ADD[25:0] SHB# LCDCS# RD#/WR# LCDRDY DATA[15:0] (Write) DATA[15:0] (Read) L Remark The dotted lines indicate high impedance. |
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