H8S2110B RENESAS [Renesas Technology Corp], H8S2110B Datasheet - Page 163

• Manufacturer Part Number: H8S2110B
• Description: Renesas 16-Bit Single-Chip Microcomputer Renesas H8S Family/H8S/2100 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

KBIOE
PA4DDR
Pin Function
Note: * When the KBIOE bit is set to 1 or the IICS bit in STCR is set to 1, this pin is an NMOS
KBIOE
PA3DDR
Pin Function
Note: * When the KBIOE bit is set to 1, this pin is an NMOS open-drain output, and has direct bus
KBIOE
PA2DDR
Pin Function
Note: * When the KBIOE bit is set to 1, this pin is an NMOS open-drain output, and has direct bus
PA4/KIN12/PS2BC
The pin function is switched as shown below according to the combination of the KBIOE bit in
KBCRH_1 of the keyboard buffer controller, and the PA4DDR bit.
PA3/KIN11/PS2AD
The pin function is switched as shown below according to the combination of the KBIOE bit in
KBCRH_0 of the keyboard buffer controller, and the PA3DDR bit.
PA2/KIN10/PS2AC
The pin function is switched as shown below according to the combination of the KBIOE bit in
KBCRH_0 of the keyboard buffer controller, and the PA2DDR bit.
open-drain output, and has direct bus drive capability. This pin can always be used as the
PS2BC or KIN12 input pin.
drive capability. This pin can always be used as the PS2AD or KIN11 input pin.
drive capability. This pin can always be used as the PS2AC or KIN10 input pin.
PA4 input pin
PA3 input pin
PA2 input pin
0
0
0
KIN12 input pin, PS2BC input pin *
KIN11 input pin, PS2AD input pin *
KIN10 input pin, PS2AC input pin *
0
0
0
PA4 output pin
PA3 output pin
PA2 output pin
Rev. 2.00 Mar 21, 2006 page 125 of 518
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PS2BC output pin
PS2AD output pin
PS2AC output pin
Section 7 I/O Ports
REJ09B0299-0200
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