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HD64F2149YV Folha de dados(PDF) 269 Page - Renesas Technology Corp

Nome de Peças HD64F2149YV
Descrição Electrónicos  Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series
PDF  1075 Pages
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Fabricante Electrônico  RENESAS [Renesas Technology Corp]
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HD64F2149YV Folha de dados(HTML) 269 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 3.00 Jan 18, 2006 page 241 of 1044
REJ09B0280-0300
Pin
Selection Method and Pin Functions
P84/
IRQ3/TxD1
The pin function is switched as shown below according to the combination of
bit TE in SCR of SCI1 and bit P84DDR.
TE
0
1
P84DDR
0
1
—
Pin function
P84 input pin
P84 output pin
TxD1 output pin
IRQ3 input pin
When the IRQ3E bit in IER is set to 1, this pin is used as the
IRQ3 input pin.
P83/
LPCPD
The pin function is switched as shown below according to bit P83DDR.
P83DDR
0
1
Pin function
P83 input pin
P83 output pin
LPCPD input pin
When at least one of bits LPC3E to LPC1E is set to 1 in HICR0, this pin is
used as the
LPCPD input pin.
The
LPCPD input pin can only be used in mode 2 or 3 (EXPE = 0).
P82/HIFSD/
CLKRUN
The pin function is switched as shown below according to the combination of
bits HI12E and SDE in SYSCR2, bits LPC3E to LPC1E in HICR0, and bit
P82DDR.
LPC3E to
LPC1E
All 0
Not all 0
HI12E
0
1
—*
SDE
—
01
—
P82DDR
0101
——*
Pin function
P82
input pin
P82
output pin
P82
input pin
P82
output pin
HIFSD
input pin
CLKRUN
I/O pin
Note:
*
When at least one of bits LPC3E to LPC1E is set to 1, bits HI12E
and P82DDR should be cleared to 0.
The HIFSD input pin and
CLKRUN I/O pin can only be used in mode 2 or 3
(EXPE = 0).



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