HD6432621 Hitachi, HD6432621 Datasheet - Page 275
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HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
(1069 pages)
- Current page: 275 of 1069
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9.4.2
Table 9-5 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 9-5
Name
Port 9 register
Note: * Lower 16 bits of the address.
Port 9 Register (PORT9): The pin states are always read when a port 9 read is performed.
Note: * Determined by state of pins P97 to P90.
9.4.3
Port 9 pins also function as A/D converter analog input pins (AN8 to AN15) and D/A converter
analog output pins (DA3, DA2).
Bit
Initial value :
R/W
Register Configuration
Pin Functions
Port 9 Registers
:
:
P97
—*
7
R
P96
—*
6
R
Abbreviation
PORT9
P95
—*
5
R
P94
—*
4
R
R/W
R
P93
—*
3
R
Initial Value
Undefined
P92
—*
2
R
P91
—*
1
R
Address*
H'FFB8
P90
—*
0
R
231
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