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HD64F2149YV 数据表(PDF) 275 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) 275 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 3.00 Jan 18, 2006 page 247 of 1044
REJ09B0280-0300
Pin
Selection Method and Pin Functions
P95/
AS/IOS/CS1 The pin function is switched as shown below according to the combination of
operating mode, bit IOSE in SYSCR, bit HI12E in SYSCR2, and bit P95DDR.
Operating
mode
Mode 1,
modes 2 and 3
(EXPE = 1)
Modes 2, 3 (EXPE = 0)
HI12E
—
01
P95DDR
—
01
—
IOSE
0
1
———
Pin function
AS
output pin
IOS
output pin
P95
input pin
P95
output pin
CS1
input pin
P94/
HWR/IOW
The pin function is switched as shown below according to the combination of
operating mode, bit HI12E in SYSCR2, and bit P94DDR.
Operating
mode
Mode 1,
modes 2 and 3
(EXPE = 1)
Modes 2, 3 (EXPE = 0)
HI12E
—
01
P94DDR
—
01
—
Pin function
HWR
output pin
P94
input pin
P94
output pin
IOW
input pin
P93/
RD/IOR
The pin function is switched as shown below according to the combination of
operating mode, bit HI12E in SYSCR2, and bit P93DDR.
Operating
mode
Mode 1,
modes 2 and 3
(EXPE = 1)
Modes 2, 3 (EXPE = 0)
HI12E
—
01
P93DDR
—
01
—
Pin function
RD output pin P93 input pin P93 output pin IOR input pin
P92/
IRQ0
P92DDR
0
1
Pin function
P92 input pin
P92 output pin
IRQ0 input pin
When bit IRQ0E in IER is set to 1, this pin is used as the
IRQ0 input pin.



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