I/O Memory Of I/O Ports - Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 Technical Manual

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
select register (B) D6
D5
D4
D3
D2
D1
D0
P0 I/O port data 00402D1 D7
register (B) D6
D5
D4
D3
D2
D1
D0
P0 I/O control 00402D2 D7
register (B) D6
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
CFP07 P07 function selection
CFP06 P06 function selection
CFP05 P05 function selection
CFP04 P04 function selection
CFP03 P03 function selection
CFP02 P02 function selection
CFP01 P01 function selection
CFP00 P00 function selection
P07D P07 I/O port data
P06D P06 I/O port data
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
IOC07 P07 I/O control
IOC06 P06 I/O control
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
CFP15 P15 function selection
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 #SRDY1 0 P07
1 #SCLK1 0 P06
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 R/W Extended functions
0 R/W (0x402DF)
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W
0 R/W This register
0 R/W indicates the values
0 R/W of the I/O control
0 R/W signals of the ports
0 R/W when it is read. (See
0 R/W detailed explanation.)
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 This register
0 R/W indicates the values
0 R/W of the I/O control
0 R/W signals of the ports
0 R/W when it is read. (See
0 R/W detailed explanation.)
0 R/W
S1C33L03 FUNCTION PART