I/O Memory Of I/O Ports - Epson S1C33210 Technical Manual

Cmos 32-bit single chip microcomputer
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III PERIPHERAL BLOCK: INPUT/OUTPUT PORTS

I/O Memory of I/O Ports

Table 9.4 shows the control bits of the I/O ports.
Register name
Address
Bit
P0 function
00402D0
D7-6
select register
(B)
D5
D4
D3
D2
D1
D0
P0 I/O port data
00402D1
D7-6
register
(B)
D5
D4
D3
D2
D1
D0
P0 I/O control
00402D2
D7-6
register
(B)
D5
D4
D3
D2
D1
D0
P1 function
00402D4
D7
select register
(B)
D6
D5
D4
D3
D2
D1
D0
P1 I/O port data
00402D5
D7
register
(B)
D6
D5
D4
D3
D2
D1
D0
P1 I/O control
00402D6
D7
register
(B)
D6
D5
D4
D3
D2
D1
D0
B-III-9-6
Table 9.4 Control Bits of I/O Ports
Name
Function
Reserved
CFP05
P05 function selection
CFP04
P04 function selection
CFP03
P03 function selection
CFP02
P02 function selection
CFP01
P01 function selection
CFP00
P00 function selection
reserved
P05D
P05 I/O port data
P04D
P04 I/O port data
P03D
P03 I/O port data
P02D
P02 I/O port data
P01D
P01 I/O port data
P00D
P00 I/O port data
reserved
IOC05
P05 I/O control
IOC04
P04 I/O control
IOC03
P03 I/O control
IOC02
P02 I/O control
IOC01
P01 I/O control
IOC00
P00 I/O control
reserved
CFP16
P16 function selection 1
CFP15
P15 function selection 1
CFP14
P14 function selection
CFP13
P13 function selection
CFP12
P12 function selection
CFP11
P11 function selection
CFP10
P10 function selection
reserved
P16D
P16 I/O port data
P15D
P15 I/O port data
P14D
P14 I/O port data
P13D
P13 I/O port data
P12D
P12 I/O port data
P11D
P11 I/O port data
P10D
P10 I/O port data
reserved
IOC16
P16 I/O control
IOC15
P15 I/O control
IOC14
P14 I/O control
IOC13
P13 I/O control
IOC12
P12 I/O control
IOC11
P11 I/O control
IOC10
P10 I/O control
Setting
1 SOUT1
0 P05
1 SIN1
0 P04
1 #SRDY0
0 P03
1 #SCLK0
0 P02
1 SOUT0
0 P01
1 SIN0
0 P00
1
High
0
Low
1 Output
0 Input
1 EXCL5
0 P16
#DMAEND1
1 EXCL4
0 P15
#DMAEND0
1 FOSC1
0 P14
1 EXCL3
0 P13
T8UF3
1 EXCL2
0 P12
T8UF2
1 EXCL1
0 P11
T8UF1
1 EXCL0
0 P10
T8UF0
1 High
0 Low
1 Output
0 Input
EPSON
Init. R/W
Remarks
0 when being read.
0
R/W
Extended functions
0
R/W
(0x402DF)
0
R/W
0
R/W
0
R/W
0
R/W
0 when being read.
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0 when being read.
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0 when being read.
0
R/W
0
R/W
0
R/W
Extended functions
(0x402DF)
0
R/W
0
R/W
0
R/W
0
R/W
0 when being read.
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0 when being read.
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
S1C33210 FUNCTION PART

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