HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 222
HD6432160
Manufacturer Part Number
HD6432160
Description
Hitachi 16-Bit Single-Chip Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
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Pin Function
Note:* This pin can always be used as the AN5 to AN0 input pins.
8.9
Port 8 is an 8-bit I/O port. Port 8 pins also function as SCI_1 I/O pins, the IIC_1 I/O pin, XBS I/O
pins, LPC I/O pins, and interrupt input pins. The output type of P86 and SCK1 is NMOS push-pull
output. The output type of SCL1 is NMOS open drain output and direct bus driving is enabled.
Port 8 pin functions are the same in all operating modes except host interface function. Port 8 has
the following registers.
8.9.1
P8DDR specifies input or output for the pins of port 8 on a bit-by-bit basis.
Bit
7
6
5
4
3
2
1
0
Rev. 2.0, 08/02, page 182 of 788
P75/AN5, P74/AN4, P73/AN3, P72/AN2, P71/AN1, P70/AN0
Port 8 data direction register (P8DDR)
Port 8 data register (P8DR)
Bit Name
—
P86DDR
P85DDR
P84DDR
P83DDR
P82DDR
P81DDR
P80DDR
Port 8
Port 8 Data Direction Register (P8DDR)
1
0
0
0
0
0
0
0
Initial Value
R/W
—
W
W
W
W
W
W
W
AN5 to AN0 input pin*
Reserved
The initial value must not be changed.
P8DDR has the same address as PBPIN, and if
read, the port B state will be returned.
The corresponding port 8 pins are output ports
when P8DDR bits are set to 1, and input ports
when cleared to 0.
Description
P75 to P70 input pins
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