SH7055S Datasheet, PDF (758/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

Table 21.12 Port F Data Register (PFDR) Read/Write Operations
Bits 15 to 5:
PFIOR
Pin Function
0
General input
Other than
general input
1
General output
Other than
general output
Read
Pin state
Pin state
PFDR value
PFDR value
Write
Value is written to PFDR, but does not affect pin
state
Value is written to PFDR, but does not affect pin
state
Write value is output from pin
Value is written to PFDR, but does not affect pin
state
Bits 4–0:
PFIOR
0
1
Pin Function
General input
Read
Pin state
Other than
general input
General output
Pin state
PFDR value
Other than
PFDR value
general output
Write
Value is written to PFDR, but does not affect pin
state
Value is written to PFDR, but does not affect pin
state
Write value is output from pin (POD pin = high)
High impedance regardless of PFDR value (POD
pin = low)
Value is written to PFDR, but does not affect pin
state
21.8 Port G
Port G is an input/output port with the 4 pins shown in figure 21.7.
Port G
PG3 (I/O) /
(input) /
(input)
PG2 (I/O) /
(input) /ADEND (output)
PG1 (I/O) /
(input)
PG0 (I/O) /PULS7 (output) /HRxD0 (input) /HRxD1 (input)
Figure 21.7 Port G
Rev.2.0, 07/03, page 720 of 960