24 I/O PORTS (GPIO)
24-18
Seiko Epson Corporation
S1C33L26 TECHNICAL MANUAL
D[3:0]
SEPT[F:C]: FPT[F:C] Interrupt Mode Select Bits
Selects trigger modes of the ports used for port interrupt 3 (FPTC–FPTF).
1 (R/W): Edge trigger mode (default)
0 (R/W): Level trigger mode
See the descriptions of SEPT[3:0]/GPIO_FPT03_MOD register.
FPT0–3 Interrupt Mask Register (GPIO_FPT03_MSK)
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
FPT0–3
Interrupt Mask
Register
(GPIO_FPT03_
MSK)
0x30033c
(8 bits)
D7–4 –
reserved
–
–
–
0 when being read.
D3
SIET3
FPT3 interrupt enable
1 Enable
0 Disable
0
R/W
D2
SIET2
FPT2 interrupt enable
1 Enable
0 Disable
0
R/W
D1
SIET1
FPT1 interrupt enable
1 Enable
0 Disable
0
R/W
D0
SIET0
FPT0 interrupt enable
1 Enable
0 Disable
0
R/W
D[7:4]
Reserved
D[3:0]
SIET[3:0]: FPT[3:0] Interrupt Enable Bits
Enables or disables the ports to generate port interrupt 0 (FPT0–FPT3).
1 (R/W): Interrupt enabled
0 (R/W): Interrupt disabled (default)
FPT4–7 Interrupt Mask Register (GPIO_FPT47_MSK)
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
FPT4–7
Interrupt Mask
Register
(GPIO_FPT47_
MSK)
0x30033d
(8 bits)
D7–4 –
reserved
–
–
–
0 when being read.
D3
SIET7
FPT7 interrupt enable
1 Enable
0 Disable
0
R/W
D2
SIET6
FPT6 interrupt enable
1 Enable
0 Disable
0
R/W
D1
SIET5
FPT5 interrupt enable
1 Enable
0 Disable
0
R/W
D0
SIET4
FPT4 interrupt enable
1 Enable
0 Disable
0
R/W
D[7:4]
Reserved
D[3:0]
SIET[7:4]: FPT[7:4] Interrupt Enable Bits
Enables or disables the ports to generate port interrupt 1 (FPT4–FPT7).
1 (R/W): Interrupt enabled
0 (R/W): Interrupt disabled (default)
FPT8–B Interrupt Mask Register (GPIO_FPT8B_MSK)
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
FPT8–B
Interrupt Mask
Register
(GPIO_FPT8B_
MSK)
0x30033e
(8 bits)
D7–4 –
reserved
–
–
–
0 when being read.
D3
SIETB
FPTB interrupt enable
1 Enable
0 Disable
0
R/W
D2
SIETA
FPTA interrupt enable
1 Enable
0 Disable
0
R/W
D1
SIET9
FPT9 interrupt enable
1 Enable
0 Disable
0
R/W
D0
SIET8
FPT8 interrupt enable
1 Enable
0 Disable
0
R/W
D[7:4]
Reserved
D[3:0]
SIET[B:8]: FPT[B:8] Interrupt Enable Bits
Enables or disables the ports to generate port interrupt 2 (FPT8–FPTB).
1 (R/W): Interrupt enabled
0 (R/W): Interrupt disabled (default)
FPTC–F Interrupt Mask Register (GPIO_FPTCF_MSK)
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
FPTC–F
Interrupt Mask
Register
(GPIO_FPTCF_
MSK)
0x30033f
(8 bits)
D7–4 –
reserved
–
–
–
0 when being read.
D3
SIETF
FPTF interrupt enable
1 Enable
0 Disable
0
R/W
D2
SIETE
FPTE interrupt enable
1 Enable
0 Disable
0
R/W
D1
SIETD
FPTD interrupt enable
1 Enable
0 Disable
0
R/W
D0
SIETC
FPTC interrupt enable
1 Enable
0 Disable
0
R/W
D[7:4]
Reserved