APPENDIX A LIST OF I/O REGISTERS
AP-A-22
Seiko Epson Corporation
S1C33L26 TECHNICAL MANUAL
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
P4[2:0] Port
Function Select
Register
(PMUX_P4_02)
0x300808
(8 bits)
D7–6 –
reserved
–
–
–
0 when being read.
D5–4 CFP42[1:0] P42 port function select
CFP42[1:0]
Function
0x0 R/W Write-protected
0x3
0x2
0x1
0x0
reserved
FPDAT16
P42
A23
D3–2 CFP41[1:0] P41 port function select
CFP41[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
#NAND_WR
FPDAT17
P41
A22
D1–0 CFP40[1:0] P40 port function select
CFP40[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
#NAND_RD
FPDAT18
P40
A21
P5[3:0] Port
Function Select
Register
(PMUX_P5_03)
0x30080a
(8 bits)
D7–6 CFP53[1:0] P53 port function select
CFP53[1:0]
Function
0x0 R/W Write-protected
0x3
0x2
0x1
0x0
reserved
reserved
P53
#CE10
D5–4 CFP52[1:0] P52 port function select
CFP52[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
#CE5
P52
#CE9
D3–2 CFP51[1:0] P51 port function select
CFP51[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
#CE4
P51
#CE8
D1–0 CFP50[1:0] P50 port function select
CFP50[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
#SDCS
P50
#CE7
P5[6:4] Port
Function Select
Register
(PMUX_P5_46)
0x30080b
(8 bits)
D7–6 –
reserved
–
–
–
0 when being read.
D5–4 CFP56[1:0] P56 port function select
CFP56[1:0]
Function
0x0 R/W Write-protected
0x3
0x2
0x1
0x0
reserved
reserved
P56
#WRH/#BSH
D3–2 CFP55[1:0] P55 port function select
CFP55[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
reserved
P55
#WRL
D1–0 CFP54[1:0] P54 port function select
CFP54[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
reserved
P54
#RD
P60 Port
Function Select
Register
(PMUX_P6_0)
0x30080c
(8 bits)
D7–2 –
reserved
–
–
–
0 when being read.
D1–0 CFP60[1:0] P60 port function select
CFP60[1:0]
Function
0x0 R/W Write-protected
0x3
0x2
0x1
0x0
#WDT_NMI
WDT_CLK
#WAIT
P60
P7[3:0] Port
Function Select
Register
(PMUX_P7_03)
0x30080e
(8 bits)
D7–6 CFP73[1:0] P73 port function select
CFP73[1:0]
Function
0x0 R/W Write-protected
0x3
0x2
0x1
0x0
reserved
reserved
AIN3
P73
D5–4 CFP72[1:0] P72 port function select
CFP72[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
PWM_EXCL
AIN2
P72
D3–2 CFP71[1:0] P71 port function select
CFP71[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
T16A_EXCL_1
AIN1
P71
D1–0 CFP70[1:0] P70 port function select
CFP70[1:0]
Function
0x0 R/W
0x3
0x2
0x1
0x0
reserved
T16A_EXCL_0
AIN0
P70