h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 309

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

9.4.2
Table 9-6 shows the port 4 register configuration. Port 4 is an input-only port, and does not have a
data direction register or data register.
Table 9-6
Note: * Lower 16 bits of the address.
Port 4 Register (PORT4): The pin states are always read when a port 4 read is performed.
Note: * Determined by state of pins P47 to P40.
9.4.3
Port 4 pins also function as A/D converter analog input pins (AN0 to AN7) and D/A converter
analog output pins (DA0 and DA1).
Name
Port 4 register
Bit
Initial value :
R/W
Register Configuration
Pin Functions
Port 4 Registers
:
:
P47
— *
R
7
P46
— *
R
6
Abbreviation
PORT4
P45
— *
R
5
P44
— *
R
4
R/W
R
Rev. 6.00 Feb 22, 2005 page 249 of 1484
P43
— *
R
3
Initial Value
Undefined
P42
— *
R
2
Section 9 I/O Ports
REJ09B0103-0600
P41
— *
R
1
Address *
H'FFB3
P40
— *
R
0