SH7641 Datasheet, PDF (905/1036 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series

Section 23 I/O Ports
Table 23.6 Port F Data Register (PFDR) Read/Write Operations (PF15DT to PF8DT)
PFnMD2 PFnMD1 Pin State
0
0
Input
Read
Pin state
1
Output
PFDR value
1
0
Reserved

1
Other function Pin state
(n = 8 to 15)
Write
Data is written to PFDR, but does not affect
pin state.
Data is written to PFDR and the value is
output from the pin.

Data is written to PFDR, but does not affect
pin state.
Table 23.7 Port F Data Register (PFDR) Read/Write Operations (PF7DT to PF0DT)
PFnMD2 PFnMD1 Pin State
0
0
Input
1
Output
Other than above
(n = 0 to 7)
Reserved
Read
Pin state
PFDR value

Write
Data is written to PFDR, but does not affect
pin state.
Data is written to PFDR and the value is
output from the pin.

Rev. 4.00 Sep. 14, 2005 Page 855 of 982
REJ09B0023-0400