Datasheet

Section 10A I/O Ports
(H8S/2633, H8S/2632, H8S/2631, H8S/2633R)
R01UH0166EJ0600 Rev. 6.00 Page 399 of 1434
Mar 02, 2011
H8S/2633 Group, H8S/2633 F-ZTAT
TM
,
H8S/2633R F-ZTAT
TM
, H8S/2695
10A.4.2 Register Configuration
Table 10A.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 10A.6 Port 4 Registers
Name Abbreviation R/W Initial Value Address
*
Port 4 register PORT4 R Undefined H'FFB3
Note: * Lower 16 bits of the address.
Port 4 Register (PORT4): The pin states are always read when a port 4 read is performed.
Bit : 7 6 5 4 3 2 1 0
P47 P46 P45 P44 P43 P42 P41 P40
Initial value : —
*
—
*
—
*
—
*
—
*
—
*
—
*
—
*
R/W : R R R R R R R R
Note: * Determined by state of pins P47 to P40.
10A.4.3 Pin Functions
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).