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HD64F2149YV 数据表(PDF) 282 Page - Renesas Technology Corp

部件名 HD64F2149YV
功能描述  Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series
PDF  1075 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

HD64F2149YV 数据表(HTML) 282 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 3.00 Jan 18, 2006 page 254 of 1044
REJ09B0280-0300
Pin
Selection Method and Pin Functions
PA4/A20/PS2BC/
KIN12/CIN12
The pin function is switched as shown below according to the combination of
operating mode, the KBIOE bit in KBCR1H of the keyboard buffer controller,
the IOSE bit in SYSCR, and bit PA4DDR.
Operating
mode
Modes 1, 2 (EXPE = 0), 3
Mode 2 (EXPE = 1)
KBIOE
0
1
0
1
PA4DDR
0
1
—
01
—
IOSE
——
——
01
—
Pin function
PA4
input
pin
PA4
output
pin
PS2BC
output
pin
PA4
input
pin
A20
output
pin
PA4
output
pin
PS2BC
output
pin
KIN12 input pin, CIN12 input pin, PS2BC input pin
When the IICS bit in STCR is set to 1, this pin functions as a bus buffer. This
pin can always be used as the PS2BC,
KIN12, or CIN12 input pin.
PA3/A19/PS2AD/
KIN11/CIN11
The pin function is switched as shown below according to the combination of
operating mode, the KBIOE bit in KBCR0H of the keyboard buffer controller,
the IOSE bit in SYSCR, and bit PA3DDR.
Operating
mode
Modes 1, 2 (EXPE = 0), 3
Mode 2 (EXPE = 1)
KBIOE
0
1
0
1
PA3DDR
0
1
—
01
—
IOSE
——
——
01
—
Pin function
PA3
input
pin
PA3
output
pin
PS2AD
output
pin
PA3
input
pin
A19
output
pin
PA3
output
pin
PS2AD
output
pin
KIN11 input pin, CIN11 input pin, PS2AD input pin
This pin can always be used as the PS2AD,
KIN11, or CIN11 input pin.



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