HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 286

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 8 I/O Ports
8.7.3
Modes 1, 2, 3 and 7
In mode 1, 2, 3, and 7, port A pins function as I/O ports. Input or output can be specified for each
pin on an individual bit basis. Setting a PADDR bit to 1 makes the corresponding port A pin an
output port, while clearing the bit to 0 makes the pin an input port.
Note: Modes 2, 3, and 7 cannot be used in the H8S/2240.
Port A pin functions in modes 1, 2, 3, and 7 are shown in figure 8.7.
Modes 4 and 5
In modes 4 and 5, the lower 4 bits of port A are designated as address outputs automatically.
Port A pin functions in modes 4 and 5 are shown in figure 8.8.
Rev.3.00 Mar. 26, 2007 Page 244 of 772
REJ09B0355-0300
Pin Functions
Figure 8.7 Port A Pin Functions (Modes 1, 2, 3, and 7)
Figure 8.8 Port A Pin Functions (Modes 4 and 5)
Port A
Port A
A
A
A
A
PA
PA
PA
PA
19
18
17
16
3
2
1
0
(output)
(output)
(output)
(output)
(I/O)
(I/O)
(I/O)
(I/O)