h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 261

• 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
PA6DDR
IOSE
Pin Function
Operating
Mode
KBIOE
PA5DDR
IOSE
Pin Function
PA6/A22/KIN14/CIN14/PS2CC
The pin function is switched as shown below according to the combination of operating mode,
the KBIOE bit in KBCRH_2 of the keyboard buffer controller, the IOSE bit in SYSCR, and
the PA6DDR bit.
PA5/A21/KIN13/CIN13/PS2BD
The pin function is switched as shown below according to the combination of operating mode,
the KBIOE bit in KBCRH_1 of the keyboard buffer controller, the IOSE bit in SYSCR, and
the PA5DDR bit.
* When the KBIOE bit is set to 1 or the IICS bit in STCR is set to 1, this pin is an NMOS
* When the KBIOE bit is set to 1 or the IICS bit in STCR is set to 1, this pin is an NMOS
open-drain output, and has direct bus drive capability. This pin can always be used as
the PS2CC, KIN14, or CIN14 input pin.
open-drain output, and has direct bus drive capability. This pin can always be used as
the PS2BD, KIN13, or CIN13 input pin.
input pin
input pin
PA6
PA5
—
—
Modes 1, 2 (EXPE = 0), 3
Modes 1, 2 (EXPE = 0), 3
0
0
0
0
output pin
output pin
PA6
PA5
KIN14 input pin, CIN14 input pin, PS2CC input pin *
KIN13 input pin, CIN13 input pin, PS2BD input pin *
—
—
1
1
output pin
output pin
PS2CC
PS2BD
—
—
—
—
1
1
input pin
input pin
PA6
PA5
—
—
0
0
Rev. 3.00 Mar 21, 2006 page 207 of 788
output pin
output pin
Mode 2 (EXPE = 1)
Mode 2 (EXPE = 1)
A22
A21
0
0
0
0
1
1
output pin
output pin
Section 8 I/O Ports
PA6
PA5
REJ09B0300-0300
1
1
output pin
output pin
PS2CC
PS2BD
—
—
—
—
1
1