h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 275

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

8.6.3
PORT6 shows the pin states of the port 6. PORT6 cannot be modified.
Note:
8.6.4
Port 6 pins also function as the pins for external address bus output and timer I/O. The
correspondence between the register specification and the pin functions is shown below.
• P67/A15
Bit
7
6
5
4
3
2
1
0
EXPE
AMOE
P67DDR
Pin function
The pin function is switched as shown below according to the combination of the P67DDR bit,
the EXPE bit in MDCR, and the AMOE bit in PFCR1.
Bit Name
P67
P66
P65
P64
P63
P62
P61
P60
*
Port 6 Register (PORT6)
Pin Functions
Determined by the states of pins P67 to P60.
P67 input
Initial
Value
*
*
*
*
*
*
*
*
0

0
P67 output
R/W
R
R
R
R
R
R
R
R
1
If a PORT6 read is performed while P6DDR bits are set
to 1, the P6DR values are read. If a PORT6 read is
performed while P6DDR bits are cleared to 0, the pin
states are read.
Description
P67 input
0
0
Rev. 2.00, 03/04, page 243 of 534
P67 output
1
1
A15 output

1