
S1C88409 TECHNICAL MANUAL
EPSON
99
CHAPTER 5: PERIPHERAL CIRCUITS AND OPERATION (LCD Controller)
Table 5.10.11.1(b) LCD controller control bits
Address
Function
R/W
Init
0
1
Comment
Name
Bit
00FF66
–
Total display lines (MSB)
–
R/W
–
0
–
Low
–
High
"0" when being read
–
SLT8
D7
D6
D5
D4
D3
D2
D1
D0
00FF68
Gray scale (0,1) conversion code
R/W
0
Low
High
GS17
GS16
GS15
GS14
GS13
GS12
GS11
GS10
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
00FF69
Gray scale (1,0) conversion code
R/W
0
Low
High
GS27
GS26
GS25
GS24
GS23
GS22
GS21
GS20
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
00FF6A
Gray scale (1,1) conversion code
R/W
0
Low
High
GS37
GS36
GS35
GS34
GS33
GS32
GS31
GS30
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
00FF67
Address pitch adjustment
R/W
0
Low
High
APADJ7
APADJ6
APADJ5
APADJ4
APADJ3
APADJ2
APADJ1
APADJ0
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
00FF21
8-bit programmable timer
interrupt priority register
Serial interface
interrupt priority register
Clock timer
interrupt priority register
LCD controller
interrupt priority register
R/W
0
PTM21
PTM20
PSI1
PSI0
PCTM1
PCTM0
PLCD1
PLCD0
D7
D6
D5
D4
D3
D2
D1
D0
PTM21
PSI1
PCTM1
PLCD1
1
0
PTM20
PSI0
PCTM0
PLCD0
1
0
1
0
Priority
level
Level 3
Level 2
Level 1
Level 0
00FF25
Clock timer 60 S interrupt enable register
Clock timer 1 Hz interrupt enable register
Clock timer 2 Hz interrupt enable register
Clock timer 8 Hz interrupt enable register
Clock timer 32 Hz interrupt enable register
LCD controller interrupt enable register
–
R/W
–
0
–
Interrupt is
disabled
Interrupt is
enabled
"0" when being read
ET60S
ECTM1
ECTM2
ECTM8
ECTM32
ELCD
–
D7
D6
D5
D4
D3
D2
D1
D0
00FF29
Clock timer 60 S interrupt factor flag
Clock timer 1 Hz interrupt factor flag
Clock timer 2 Hz interrupt factor flag
Clock timer 8 Hz interrupt factor flag
Clock timer 32 Hz interrupt factor flag
LCD controller interrupt factor flag
–
R/(W)
–
0
–
(R)
Interrupt
factor has not
generated
(W)
Invalid
(R)
Interrupt
factor has
generated
(W)
Reset
"0" when being read
FT60S
FCTM1
FCTM2
FCTM8
FCTM32
FLCD
–
D7
D6
D5
D4
D3
D2
D1
D0