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H8S/2214 Scheda tecnica(PDF) 365 Page - Renesas Technology Corp

Il numero della parte H8S/2214
Spiegazioni elettronici  16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series
PDF  936 Pages
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Produttore elettronici  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8S/2214 Scheda tecnica(HTML) 365 Page - Renesas Technology Corp

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Section 9 I/O Ports
Rev.4.00 Sep. 18, 2008 Page 305 of 872
REJ09B0189-0400
(1) Port 4 Register (PORT4)
7
P47
—*
R
6
P46
—*
R
5
P45
—*
R
4
P44
—*
R
3
P43
—*
R
0
P40
—*
R
2
P42
—*
R
1
P41
—*
R
Bit
:
Initial value :
R/W
:
Note: * Determined by the state of pins P47 to P40.
PORT4 is an 8-bit read-only register. The pin states are always read when a port 4 read is
performed. This register cannot be written to.
(2) Interrupt Request Input Pin Select Register 0 (IPINSEL0)
Bit
:
7
6
5
4
3
2
1
0
P36
IRQ7E
P47
IRQ6E
P46
IRQ5E
P44
IRQ4E
P43
IRQ3E
P42
IRQ2E
P41
IRQ1E
P40
IRQ0E
Initial value :
0
0
0
0
0
0
0
0
R/W
:
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
IPINSEL0 is an 8-bit readable/writable register that selects which pins are to be used for interrupt
request input signals (
EXIRQ0 to EXIRQ7) from externally connected modules. IPINSEL0 is
initialized to H'00 by a power-on reset and in hardware standby mode. It retains its previous state
in a manual reset and in software standby mode.
Bit 7—Enable of
EXIRQ7 Input from P36 (P36IRQ7E): Selects whether or not P36 is used as
the
EXIRQ7 input pin.
Bit 7
P36IRQ7E
Description
0
P36 is not used as
EXIRQ7 input
(Initial value)
1
P36 is used as
EXIRQ7 input



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