SH7108 Datasheet, PDF (468/560 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 15 I/O Ports
Table 15.2 Port B Data Register (PBDR) Read/Write Operations
• Bits 5 to 0
PBIOR Pin Function
0
General input
Other than
general input
1
General output
Other than
general output
Read
Pin state
Pin state
PBDR value
PBDR value
Write
Can write to PBDR, but it has no effect on pin state
Can write to PBDR, but it has no effect on pin state
Value written is output from pin
Can write to PBDR, but it has no effect on pin state
15.3 Port D
Port D that can only be used in the SH7109 is an input/output port with the nine pins shown in
figure 15.5.
Port D
PD8 (I/O)
PD7 (I/O) / D7 (I/O)
PD6 (I/O) / D6 (I/O)
PD5 (I/O) / D5 (I/O)
PD4 (I/O) / D4 (I/O)
PD3 (I/O) / D3 (I/O)
PD2 (I/O) / D2 (I/O) / SCK2 (I/O)
PD1 (I/O) / D1 (I/O) / TxD2 (output)
PD0 (I/O) / D0 (I/O) / RxD2 (input)
Figure 15.5 Port D (SH7109)
15.3.1 Register Description
Port D has the following register. For details on register addresses and register states during each
processing, refer to section 19, List of Registers.
• Port D data register L (PDDRL)
Rev.1.00 Sep. 18, 2008 Page 434 of 522
REJ09B0069-0100