Epson S1C33L03 User Manual
4 PERIPHERAL CIRCUITS
S1C33L03 PRODUCT PART
EPSON
A-63
A-1
A-4
Name
Address
Register name
Bit
Function
Setting
Init.
R/W
Remarks
–
S1VSIZE9
S1VSIZE8
D7–2
D1
D0
reserved
Screen 1 vertical size
(high-order 2 bits)
–
0
0
–
R/W
0 when being read.
039FFF3
(B)
Screen 1
vertical size
register 1
–
–
FIFOEO3
FIFOEO2
FIFOEO1
FIFOEO0
LCLKSEL2
LCLKSEL1
LCLKSEL0
D7
D6
D5
D4
D3
D2
D1
D0
reserved
FIFO empty offset
LCDC clock select
–
0
0
0
0
0
0
0
–
R/W
R/W
0 when being read.
039FFF4
(B)
FIFO control
register
–
Fix at 8 (0b1000)
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
LCLKSEL[2:0]
LCDC clock
BCU_CLK/4
BCU_CLK/3
BCU_CLK/2
BCU_CLK
reserved
Stop
Stop
Stop
–
LUTADDR3
LUTADDR2
LUTADDR1
LUTADDR0
D7–4
D3
D2
D1
D0
reserved
Look-up table address
–
0
0
0
0
–
R/W
0 when being read.
039FFF5
(B)
Look-up table
address
register
–
LUTDT3
LUTDT2
LUTDT1
LUTDT0
–
D7
D6
D5
D4
D3–0
Look-up table data
reserved
0
0
0
0
–
R/W
–
0 when being read.
039FFF7
(B)
Look-up table
data register
–
–
GPIO2C
GPIO1C
GPIO0C
D7–3
D2
D1
D0
reserved
GPIO2 configuration
GPIO1 configuration
GPIO0 configuration
–
0
0
0
–
R/W
R/W
R/W
0 when being read.
039FFF8
(B)
GPIO
configuration
register
–
1 Output
0 Input
1 Output
0 Input
1 Output
0 Input
–
GPO6D
GPO5D
GPO4D
GPO3D
GPIO2D
GPIO1D
GPIO0D
D7
D6
D5
D4
D3
D2
D1
D0
reserved
GPO6 data
GPO5 data
GPO4 data
GPO3 data
GPIO2 data
GPIO1 data
GPIO0 data
–
0
0
0
0
0
0
0
–
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0 when being read.
039FFF9
(B)
GPIO
status/control
register
–
1 High
0 Low
1 High
0 Low
1 High
0 Low
1 High
0 Low
1 High
0 Low
1 High
0 Low
1 High
0 Low
SP1A7
SP1A6
SP1A5
SP1A4
SP1A3
SP1A2
SP1A1
SP1A0
D7
D6
D5
D4
D3
D2
D1
D0
Scratch pad
0
0
0
0
0
0
0
0
R/W
039FFFA
(B)
Scratch pad
register
–
PMODEN
PMODSEL
–
PMODCLK1
PMODCLK0
D7
D6
D5–2
D1
D0
Portrait mode enable
Portrait mode select
reserved
Portrait mode clock select
(LCDC clock division ratio)
Division ratio 1: Default mode
Division ratio 2: Alternate mode
P: Pixel clock, M: Memory clock
0
0
–
0
0
R/W
R/W
–
R/W
0 when being read.
039FFFB
(B)
1 Portrait
0 Landscape
1 Alternate
0 Default
Portrait mode
register
1
1
0
0
1
0
1
0
PMODCLK[1:0]
Division ratio 1
P: 1/8, M: 1/8
P: 1/4, M: 1/4
P: 1/2, M: 1/2
P: 1/1, M: 1/1
1
1
0
0
1
0
1
0
PMODCLK[1:0]
Division ratio 2
P: 1/8, M: 1/4
P: 1/4, M: 1/2
P: 1/2, M: 1/1
P: 1/2, M: 1/1
PMODLBC7
PMODLBC6
PMODLBC5
PMODLBC4
PMODLBC3
PMODLBC2
PMODLBC1
PMODLBC0
D7
D6
D5
D4
D3
D2
D1
D0
Line byte count
0
0
0
0
0
0
0
0
R/W
039FFFC
(B)
Line byte
count register
for portrait
mode