APPENDIX A LIST OF I/O REGISTERS
S1C33L26 TECHNICAL MANUAL
Seiko Epson Corporation
AP-A-23
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
P7[5:4] Port
Function Select
Register
(PMUX_P7_45)
0x30080f
(8 bits)
D7–4 –
reserved
–
–
–
0 when being read.
D3–2 CFP75[1:0] P75 port function select
CFP75[1:0]
Function
0x0 R/W Write-protected
0x3
0x2
0x1
0x0
#ADTRIG
#WAIT
AIN5
P75
D1–0 CFP74[1:0] P74 port function select
CFP74[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
reserved
AIN4
P74
P8[3:0] Port
Function Select
Register
(PMUX_P8_03)
0x300810
(8 bits)
D7–6 CFP83[1:0] P83 port function select
CFP83[1:0]
Function
0x0 R/W Write-protected
0x3
0x2
0x1
0x0
reserved
USIL_DO
FPDRDY
P83
D5–4 CFP82[1:0] P82 port function select
CFP82[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
USIL_DI
FPSHIFT
P82
D3–2 CFP81[1:0] P81 port function select
CFP81[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
USIL_CK
FPLINE
P81
D1–0 CFP80[1:0] P80 port function select
CFP80[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
USIL_CS
FPFRAME
P80
P9[3:0] Port
Function Select
Register
(PMUX_P9_03)
0x300812
(8 bits)
D7–6 CFP93[1:0] P93 port function select
CFP93[1:0]
Function
0x0 R/W Write-protected
0x3
0x2
0x1
0x0
#SRDY0
LCD_D3
FPDAT3
P93
D5–4 CFP92[1:0] P92 port function select
CFP92[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
SCLK0
LCD_D2
FPDAT2
P92
D3–2 CFP91[1:0] P91 port function select
CFP91[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
SOUT0
LCD_D1
FPDAT1
P91
D1–0 CFP90[1:0] P90 port function select
CFP90[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
SIN0
LCD_D0
FPDAT0
P90
P9[7:4] Port
Function Select
Register
(PMUX_P9_47)
0x300813
(8 bits)
D7–6 CFP97[1:0] P97 port function select
CFP97[1:0]
Function
0x0 R/W Write-protected
0x3
0x2
0x1
0x0
reserved
LCD_D7
FPDAT7
P97
D5–4 CFP96[1:0] P96 port function select
CFP96[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
LCD_D6
FPDAT6
P96
D3–2 CFP95[1:0] P95 port function select
CFP95[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
LCD_D5
FPDAT5
P95
D1–0 CFP94[1:0] P94 port function select
CFP94[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
LCD_D4
FPDAT4
P94