I/O Port Registers - Fujitsu F2MCTM-16LX Hardware Manual

10.2

I/O Port Registers

There are five types of I/O port registers:
• Port data register (PDR2, PDR4 to PDR6, PDR8)
• Port direction register (DDR2, DDR4 to DDR6, DDR8, DDRA)
• Pull-up control register (PUCR2)
• Analog input enable register (ADER5, ADER6)
• Input level select register (ILSR0, ILSR1)
I/O Port Registers
Figure 10.2-1 shows the I/O port registers.
Bit No.
Address: 000002
Address: 000004
Address: 000005
Address: 000006
Address: 000008
Bit No.
Address: 000012
Address: 000014
Address: 000015
Address: 000016
Address: 000018
Address: 00001A
Bit No.
Address: 00001E
Bit No.
Address: 00000B
Address: 00000C
Bit No.
Address: 00000E
Address: 00000F
Figure 10.2-1 I/O Port Registers
7 6 5 4 3
H P27 P26 P25 P24 P23
− − −
P44 P43
H
P57 P56 P55
P54 P53
H
P67 P66 P65 P64 P63
H
P87 P86 P85 P84 P83
H
7 6 5 4 3
H
D27 D26 D25 D24 D23
− − −
H
D44 D43
D57 D56 D55
H D54 D53
D67 D66 D65 D64 D63
H
D87 D86 D85 D84 D83
H
− − −
SIL1 SIL0
H
7 6 5 4 3
H
PU27 PU26 PU25 PU24 PU23 PU22 PU21 PU20
15/7 14/6 13/5 12/4 11/3 10/2
H
ADE15 ADE14 ADE13 ADE12 ADE11 ADE10 ADE9 ADE8
H ADE7 ADE6 ADE5 ADE4 ADE3 ADE2 ADE1 ADE0
15/7 14/6 13/5 12/4 11/3 10/2
H − −
IL6 IL5 IL4
− − − − −
H
2 1 0
Port 2 data register (PDR2)
P22 P21 P20
Port 4 data register (PDR4)
P42 P41 P40
Port 5 data register (PDR5)
P52 P51 P50
Port 6 data register (PDR6)
P62 P61 P60
Port 8 data register (PDR8)
−
P82 P80
2 1 0
Port 2 direction register (DDR2)
D22 D21 D20
Port 4 direction register (DDR4)
D42 D41 D40
Port 5 direction register (DDR5)
D52 D51 D50
Port 6 direction register (DDR6)
D62 D61 D60
Port 8 direction register (DDR8)
−
D82 D80
Port A direction register (DDRA)
− − −
2 1 0
Port 2
pull-up control register (PUCR2)
9/1 8/0
Port
5 analog input enable register (ADER5)
Port
6 analog input enable register ( ADER 6)
9/1 8/0
Input level select register (ILSR0)
− −
IL2
Input level select register (ILSR1)
− −
IL8
CHAPTER 10 I/O PORTS
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