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S1C88650 TECHNICAL MANUAL EPSON 19
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (I/O Memory Map)
Table 5.1.1(b) I/O Memory map (00FF10H–00FF14H)
SR R/WAddress Bit Name Function Comment10
00FF10 D7
D6
D5
D4
D3
D2
D1
D0
HLMOD
SEGREV
–
–
–
DTFNT
LDUTY1
LDUTY0
Heavy load protection mode
Reverse SEG assignment
R/W register
R/W register
R/W register
LCD dot font selection
LCD drive duty selection
Reserved register
0
0
0
0
0
0
1
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
On
Reverse
1
1
1
12×12
Off
Normal
0
0
0
16×16/5×8
00FF11 D7
D6
D5
D4
D3
D2
D1
D0
FRMCS
DSPAR
LCDC1
LCDC0
LC3
LC2
LC1
LC0
LCD frame signal source clock selection
LCD contrast adjustment
These bits are reset
to (0, 0) when
SLP instruction
is executed.
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PTM f
OSC1
LCDC1
1
1
0
0
LCDC0
1
0
1
0
LCD display
All LCDs lit
All LCDs out
Normal display
Drive off
LDUTY1
1
1
0
0
LDUTY0
1
0
1
0
Duty
Not allowed
1/16
1/32
1/8
LC3
1
1
:
0
LC2
1
1
:
0
LC1
1
1
:
0
LC0
1
0
:
0
Contrast
Dark
:
:
Light
Display area 1 Display area 0
LCD display memory area selection
LCD display control
00FF12 D7
D6
D5
D4
D3
D2
D1
D0
00FF14 D7
D6
D5
D4
D3
D2
D1
D0
PRPRT1
PST12
PST11
PST10
PRPRT0
PST02
PST01
PST00
Programmable timer 1 clock control
Programmable timer 1 division ratio
Programmable timer 0 clock control
Programmable timer 0 division ratio
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
On
On
Off
Off
PST12
1
1
1
1
0
0
0
0
PST11
1
1
0
0
1
1
0
0
PST10
1
0
1
0
1
0
1
0
(OSC3)
f
OSC3
/ 4096
f
OSC3
/ 1024
f
OSC3
/ 256
f
OSC3
/ 64
f
OSC3
/ 32
f
OSC3
/ 8
f
OSC3
/ 2
f
OSC3
/ 1
(OSC1)
f
OSC1
/ 128
f
OSC1
/ 64
f
OSC1
/ 32
f
OSC1
/ 16
f
OSC1
/ 8
f
OSC1
/ 4
f
OSC1
/ 2
f
OSC1
/ 1
PST02
1
1
1
1
0
0
0
0
PST01
1
1
0
0
1
1
0
0
PST00
1
0
1
0
1
0
1
0
(OSC3)
f
OSC3
/ 4096
f
OSC3
/ 1024
f
OSC3
/ 256
f
OSC3
/ 64
f
OSC3
/ 32
f
OSC3
/ 8
f
OSC3
/ 2
f
OSC3
/ 1
(OSC1)
f
OSC1
/ 128
f
OSC1
/ 64
f
OSC1
/ 32
f
OSC1
/ 16
f
OSC1
/ 8
f
OSC1
/ 4
f
OSC1
/ 2
f
OSC1
/ 1
–
–
SVDDT
SVDON
SVDS3
SVDS2
SVDS1
SVDS0
–
–
SVD detection data
SVD circuit On/Off
SVD criteria voltage setting
Constantly "0" when
being read
–
–
0
0
0
0
0
0
R
R/W
R/W
R/W
R/W
R/W
–
–
Low
On
–
–
Normal
Off
SVDS3
1
1
1
:
0
SVDS2
1
1
1
:
0
SVDS1
1
1
0
:
1
SVDS0
1
0
1
:
1
Voltage (V)
2.7
2.6
2.5
:
1.8