Renesas SH7641 User Manual
Page 925
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Section 24 List of Registers
Rev. 4.00 Sep. 14, 2005 Page 875 of 982
REJ09B0023-0400
Register Name
Abbreviation
Bit No.
Address
Module
Access States
Port J control register
PJCR 32
H'A443
0020
PFC 8/16/32
Port E I/O register
PEIOR
16
H'A443 0038
8/16
Port E MTU R/W enable register
PEMTURWER
16
H'A443 003A
8/16
—
— —
— —
—
Port A data register
PADR
16
H'A443 0026
PORT
8/16
Port B data register
PBDR
16
H'A443 0028
8/16
Port C data register
PCDR
16
H'A443 002A
8/16
Port D data register
PDDR
16
H'A443 002C
8/16
Port E data register
PEDR
16
H'A443 002E
8/16
Port F data register
PFDR
16
H'A443 0030
8/16
Port G data register
PGDR
16
H'A443 0032
8/16
Port H data register
PHDR
16
H'A443 0034
8/16
Port J data register
PJDR
16
H'A443 0036
8/16
Notes: 1. This register only accepts 16-bit writing to prevent incorrect writing. In this case, the
upper eight bits of the data must be H
'5A, otherwise writing cannot be performed.
When reading, read from the same address in bytes.
2. This register only accepts 16-bit writing to prevent incorrect writing. In this case, the
upper eight bits of the data must be H
'A5, otherwise writing cannot be performed.
When reading, read from the same address in bytes.
3. This register only accepts 32-bit writing to prevent incorrect writing. In this case, the
upper 16 bits of the data must be H
'A55A, otherwise writing cannot be performed.
When reading, read from the same address in unit of 32 bits. At this time, the upper 16
bits are read as 0s.