R5S72011 RENESAS [Renesas Technology Corp], R5S72011 Datasheet - Page 932
R5S72011
Manufacturer Part Number
R5S72011
Description
32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.R5S72011.pdf
(1196 pages)
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Section 22 I/O Ports
22.1.1
Table 22.1 lists the port A registers.
Table 22.1 Register Configuration
22.1.2
PADRH and PADRL are 16-bit readable/writable registers that store port A data. Bits PA31DR to
PA0DR correspond to pins PA31 to PA0, respectively.
If a pin is set to the general output function, the pin will output the value written to the
corresponding bit in PADRH or PADRL, and the register value is read from PADRH or PADRL
regardless of the state of the pin.
If a pin is set to the general input function, the pin state, not the register value, will be returned if
PADRH or PADRL is read. Also, if a value is written to PADRH or PADRL, although the value
will actually be written, it will have no influence on the state of the pin. Table 22.2 summarizes
the PADRH and PADRL read/write operations.
PADRH and PADRL are initialized to H'0000 by a power-on reset or in deep standby mode.
These registers are not initialized either by a manual reset or by switching to sleep mode or
software standby mode.
Rev. 2.00 Sep. 07, 2007 Page 904 of 1164
REJ09B0321-0200
Register Name
Port A data register H
Port A data register L
Port A port register H
Port A port register L
Register Configuration
Port A Data Registers H and L (PADRH and PADRL)
PAPRH
PAPRL
Abbreviation
PADRH
PADRL
R/W
R/W
R/W
R
R
Address
H'FFFE3800
H'FFFE3802
H'FFFE3804
H'FFFE3806
Access Size
8, 16, 32
8, 16
8, 16, 32
8, 16
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