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HD64F2149YV Folha de dados(PDF) 254 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]
Página de início  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD64F2149YV Folha de dados(HTML) 254 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 3.00 Jan 18, 2006 page 226 of 1044
REJ09B0280-0300
8.6
Port 5
8.6.1
Overview
Port 5 is a 3-bit I/O port. Port 5 pins also function as SCI0 I/O pins (TxD0, RxD0, SCK0), and the
IIC0 I/O pin (SCL0). P52 and SCK0 are NMOS push-pull outputs, and SCL0 is an NMOS open-
drain output. Port 5 pin functions are the same in all operating modes.
Figure 8.13 shows the port 5 pin configuration.
P52 (I/O)/SCK0 (I/O)/SCL0 (I/O)
P51 (I/O)/RxD0 (Input)
P50 (I/O)/TxD0 (Output)
Port 5
Port 5 pins
Figure 8.13 Port 5 Pin Functions
8.6.2
Register Configuration
Table 8.10 shows the port 5 register configuration.
Table 8.10
Port 5 Registers
Name
Abbreviation
R/W
Initial Value
Address*
Port 5 data direction register
P5DDR
W
H'F8
H'FFB8
Port 5 data register
P5DR
R/W
H'F8
H'FFBA
Note:
*
Lower 16 bits of the address.



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