h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 262
h8s-2161b
Manufacturer Part Number
h8s-2161b
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2161B.pdf
(845 pages)
- Current page: 262 of 845
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Section 8 I/O Ports
Note:
Note:
Rev. 3.00 Mar 21, 2006 page 208 of 788
REJ09B0300-0300
Operating
Mode
KBIOE
PA4DDR
IOSE
Pin Function
Operating
Mode
KBIOE
PA3DDR
IOSE
Pin Function
PA4/A20/KIN12/CIN12/PS2BC
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 PA4DDR bit.
PA3/A19/KIN11/CIN11/PS2AD
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 PA3DDR 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, this pin is an NMOS open-drain output, and has direct
open-drain output, and has direct bus drive capability. This pin can always be used as
the PS2BC, KIN12, or CIN12 input pin.
bus drive capability. This pin can always be used as the PS2AD, KIN11, or CIN11 input
pin.
input pin
input pin
PA4
PA3
—
—
Modes 1, 2 (EXPE = 0), 3
Modes 1, 2 (EXPE = 0), 3
0
0
0
0
output pin
output pin
PA4
PA3
KIN12 input pin, CIN12 input pin, PS2BC input pin *
KIN11 input pin, CIN11 input pin, PS2AD input pin *
—
—
1
1
output pin
output pin
PS2BC
PS2AD
—
—
—
—
1
1
input pin
input pin
PA4
PA3
—
—
0
0
output pin
output pin
Mode 2 (EXPE = 1)
Mode 2 (EXPE = 1)
A20
A19
0
0
0
0
1
1
output pin
output pin
PA4
PA3
1
1
output pin
output pin
PS2BC
PS2AD
—
—
—
—
1
1
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