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Chapter 47 LCD Controller
4.Registers
4.3 LCR1: LCDC Control Register 1
• LCR1H: Address 0EA
H
(Access: Byte, Half-word, Word)
(For attributes, refer to “Meaning of Bit Attribute Symbols (Page No.10)”.)
• bit15-10: Undefined (Read: Indeterminate, Write: “0” is always written.)
• bit9-8: Segment driver enable.
Always set to “11
B
” when LCD is used.
• LCR1L: Address 0EB
H
(Access: Byte, Half-word, Word)
(For attributes, refer to “Meaning of Bit Attribute Symbols (Page No.10)”.)
• bit7-0: Segment driver enable.
When LCD is used, always set this register to “11111111
B
”.
4.4 LCDCMR: Common Pin Switching Register
• LCDCMR: Address 0E8
H
(Access: Byte, Half-word, Word)
(For attributes, refer to “Meaning of Bit Attribute Symbols (Page No.10)”.)
• bit7: Analogue macro control.
Always set to “0
B
” when LCD is used.
• bit6-4: Undefined (Read: Indeterminate, Write: “0” is always written.)
• bit3-0: Common driver enable.
Always set to “1111
B
” when LCD is used.
15 14 13 12 11 10 9 8 bit
- - - - - - SEGEN9 SEGEN8
- - - - - - 0 0 Initial value
- - - - - - R/W R/W Attribute
76543210bit
SEGEN7 SEGEN6 SEGEN5 SEGEN4 SEGEN3 SEGEN2 SEGEN1 SEGEN0
0 0 0 0 0 0 0 0 Initial value
R/W R/W R/W R/W R/W R/W R/W R/W Attribute
76543210bit
DTCH – – – COMEN3 COMEN2 COMEN1 COMEN0
0–––0000Initial value
R/W RX/WX RX/WX RX/WX R/W R/W R/W R/W Attribute