HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 228
HD6432160
Manufacturer Part Number
HD6432160
Description
Hitachi 16-Bit Single-Chip Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6432160.pdf
(829 pages)
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8.10.2
P9DR stores output data for the port 9 pins.
Bit
7
6
5
4
3
2
1
0
Note:* The initial value of bit 6 is determined according to the P96 pin state.
8.10.3
Note:* When this pin is set as the P97 output pin, it is an NMOS push-pull output. SDA0 is an
Rev. 2.0, 08/02, page 188 of 788
Operating
Mode
WMS1
ICE
P97DDR
Pin Function
P97/:$,7/SDA0
The pin function is switched as shown below according to the combination of operating mode,
the WMS1 bit in WSCR, the ICE bit in ICCR of IIC_0, and the P97DDR bit.
NMOS open-drain output, and has direct bus drive capability.
Bit Name
P97DR
P96DR
P95DR
P94DR
P93DR
P92DR
P91DR
P90DR
Port 9 Data Register (P9DR)
Pin Functions
P97 input
pin
0
Initial Value
0
Undefined*
0
0
0
0
0
0
Modes 1, 2, 3 (EXPE = 1)
0
P97 output
pin
0
1
R/W
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
SDA0 I/O
pin
—
1
With the exception of P96, if a port 9 read is
performed while P9DDR bits are set to 1, the P9DR
values are read directly, regardless of the actual
pin states. If a port 9 read is performed while
P9DDR bits are cleared to 0, the pin states are
read.
For P96, the pin state is always read.
Description
:$,7 input
pin
—
—
1
P97 input
pin
0
Modes 2, 3 (EXPE = 0)
0
P97 output
pin
—
1
SDA0 I/O
pin
—
1
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