24 I/O PORTS (GPIO)
S1C33L26 TECHNICAL MANUAL
Seiko Epson Corporation
24-23
D3
Reserved
D[2:0]
SCTP6[2:0]: FPT6 Chattering Filter Time Select Bits
Configures the chattering filter circuit for the FPT6 port.
See the descriptions of SCTP0[2:0]/GPIO_FPT01_CHAT register.
FPT8–9 Interrupt Chattering Filter Control Register (GPIO_FPT89_CHAT)
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
FPT8–9
Interrupt
Chattering
Filter Control
Register
(GPIO_FPT89_
CHAT)
0x300348
(8 bits)
D7
–
reserved
–
–
–
0 when being read.
D6–4 SCTP9[2:0] FPT9 chattering filter time select
SCTP9[2:0]
Filter sampling
time
0x0 R/W
0x7
0x6
0x5
0x4
0x3
0x2
0x1
0x0
64/f
PCLK2
32/f
PCLK2
16/f
PCLK2
8/f
PCLK2
4/f
PCLK2
2/f
PCLK2
1/f
PCLK2
None
D3
–
reserved
–
–
–
0 when being read.
D2–0 SCTP8[2:0] FPT8 chattering filter time select
SCTP8[2:0]
Filter sampling
time
0x0 R/W
0x7
0x6
0x5
0x4
0x3
0x2
0x1
0x0
64/f
PCLK2
32/f
PCLK2
16/f
PCLK2
8/f
PCLK2
4/f
PCLK2
2/f
PCLK2
1/f
PCLK2
None
D7
Reserved
D[6:4]
SCTP9[2:0]: FPT9 Chattering Filter Time Select Bits
Configures the chattering filter circuit for the FPT9 port.
D3
Reserved
D[2:0]
SCTP8[2:0]: FPT8 Chattering Filter Time Select Bits
Configures the chattering filter circuit for the FPT8 port.
See the descriptions of SCTP0[2:0]/GPIO_FPT01_CHAT register.
FPTA–B Interrupt Chattering Filter Control Register (GPIO_FPTAB_CHAT)
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
FPTA–B
Interrupt
Chattering
Filter Control
Register
(GPIO_FPTAB_
CHAT)
0x300349
(8 bits)
D7
–
reserved
–
–
–
0 when being read.
D6–4 SCTPB[2:0] FPTB chattering filter time select
SCTPB[2:0]
Filter sampling
time
0x0 R/W
0x7
0x6
0x5
0x4
0x3
0x2
0x1
0x0
64/f
PCLK2
32/f
PCLK2
16/f
PCLK2
8/f
PCLK2
4/f
PCLK2
2/f
PCLK2
1/f
PCLK2
None
D3
–
reserved
–
–
–
0 when being read.
D2–0 SCTPA[2:0] FPTA chattering filter time select
SCTPA[2:0]
Filter sampling
time
0x0 R/W
0x7
0x6
0x5
0x4
0x3
0x2
0x1
0x0
64/f
PCLK2
32/f
PCLK2
16/f
PCLK2
8/f
PCLK2
4/f
PCLK2
2/f
PCLK2
1/f
PCLK2
None
D7
Reserved
D[6:4]
SCTPB[2:0]: FPTB Chattering Filter Time Select Bits
Configures the chattering filter circuit for the FPTB port.