h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 180

• 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
9.3
Port 4 is an input-only port. Port 4 pins also function as A/D converter analog input pins. Port 4
has the following register.
9.3.1
PORT4 is an 8-bit read-only register that shows port 4 pin states.
Note:
9.4
Port 7 is an 8-bit I/O port and has the following registers.
Rev. 3.00 Oct 04, 2005 page 140 of 598
REJ09B0155-0300
Bit
7
6
5
4
3
2
1
0
Port 4 register (PORT4)
Port 7 data direction register (P7DDR)
Port 7 data register (P7DR)
Port 7 register (PORT7)
Bit Name
P47
P46
P45
P44
P43
P42
P41
P40
*
Port 4
Port 4 Register (PORT4)
Port 7
Determined by the states of pins P47 to P40.
Initial Value
Undefined *
Undefined *
Undefined *
Undefined *
Undefined *
Undefined *
Undefined *
Undefined *
R/W
R
R
R
R
R
R
R
R
The pin states are always read when a port 4 read is
performed.
Description