HD64F2636F20 Datasheet, PDF (301/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
Section 9 I/O Ports
9.5.2 Register Configuration
Table 9-7 shows the port 9 register configuration. Port 9 is an input-only port, and does not have a
data direction register or data register.
Table 9-7 Port 9 Registers
Name
Abbreviation
Port 9 register
PORT9
Note: * Lower 16 bits of the address.
R/W Initial Value
R
Undefined
Address^*
H'FFB8
Port 9 Register (PORT9): The pin states are always read when a port 9 read is performed.
Bit
:
7
6
5
4
3
2
1
0
—
—
—
—
P93
P92
P91
P90
Initial value : —^*
—^*
—^*
—^*
—^*
—^*
—^*
—^*
R/W
:—
—
—
—
R
R
R
R
Note: * Determined by state of pins P93 to P90.
9.5.3 Pin Functions
Port 9 pins also function as A/D converter analog input pins (AN8 to AN11) are multipurpose pins
which function as A/D converter analog input pins (AN8 to AN11).
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page 251 of 1458