h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 263

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Note:
Note:
Operating
Mode
KBIOE
PA2DDR
IOSE
Pin Function
Operating
Mode
PA1DDR
IOSE
Pin Function
PA2/A18/KIN10/CIN10/PS2AC
The pin function is switched as shown below according to the combination of operating mode,
the KBIOE bit in KBCRH_0 of the keyboard buffer controller, the IOSE bit in SYSCR, and
the PA2DDR bit.
PA1/A17/KIN9/CIN9
The pin function is switched as shown below according to the combination of operating mode,
the IOSE bit in SYSCR and the PA1DDR bit.
* When the KBIOE bit is set to 1, this pin is an NMOS open-drain output, and has direct
* This pin can always be used as the KIN9 or CIN9 input pin.
bus drive capability. This pin can always be used as the PS2AC, KIN10, or CIN10 input
pin.
input pin
PA2
Modes 1, 2 (EXPE = 0), 3
—
input pin
Modes 1, 2 (EXPE = 0), 3
0
PA1
—
0
0
output pin
PA2
KIN10 input pin, CIN10 input pin, PS2AC input pin *
—
1
output pin
PA1
output pin
—
1
PS2AC
KIN9 input pin, CIN9 input pin *
—
—
1
input pin
input pin
PA2
PA1
—
—
0
0
Rev. 3.00 Mar 21, 2006 page 209 of 788
output pin
Mode 2 (EXPE = 1)
Mode 2 (EXPE = 1)
A18
output pin
0
0
A17
0
1
output pin
Section 8 I/O Ports
PA2
REJ09B0300-0300
1
1
output pin
PA1
output pin
PS2AC
1
—
—
1