HD6412350 Hitachi, HD6412350 Datasheet - Page 367

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

9.5.2
Table 9-8 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 9-8
Name
Port 4 register
Note: * Lower 16 bits of the address.
Port 4 Register (PORT4): The pin states are always read when a port 4 read is performed.
9.5.3
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).
Bit
Initial value
R/W
Note: * Determined by state of pins P4
Register Configuration
Pin Functions
Port 4 Registers
:
:
:
P47
—*
R
7
P46
—*
R
6
Abbreviation
PORT4
P45
7
—*
R
5
to P4
0
.
P44
—*
R
4
R/W
R
P43
—*
R
3
Initial Value
Undefined
P42
—*
R
2
P41
—*
R
1
Address*
H'FF53
P40
—*
R
0
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