h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 182

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 9 I/O Ports
9.4.3
PORT7 is an 8-bit read-only register that shows the pin states.
PORT7 cannot be modified.
Note:
9.4.4
Port 7 pins also function as TMR_3, TMR_2, TMR_1, and TMR_0 I/O pins. The correspondence
between the register specification and the pin functions is shown below.
Table 9.18 P77 Pin Function
Table 9.19 P76 Pin Function
Table 9.20 P75 Pin Function
Rev. 3.00 Oct 04, 2005 page 142 of 598
REJ09B0155-0300
Bit
7
6
5
4
3
2
1
0
P77DDR
Pin function
P76DDR
Pin function
OS3 to OS0 in TCSR_3
P75DDR
Pin function
Bit Name
P77
P76
P75
P74
P73
P72
P71
P70
*
Port 7 Register (PORT7)
Pin Functions
Determined by the states of pins P77 to P70.
Initial Value
Undefined *
Undefined *
Undefined *
Undefined *
Undefined *
Undefined *
Undefined *
Undefined *
P77 input
P76 input
0
0
P75 input
R/W
R
R
R
R
R
R
R
R
0
If a port 7 read is performed while P7DDR bits are
set to 1, the P7DR values are read. If a port 7 read is
performed while P7DDR bits are cleared to 0, the pin
states are read.
Description
All 0
P75 output
1
P77 output
P76 output
1
1
TMO3 output
Any of 1