SH7144_08 Datasheet, PDF (683/930 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series

18.2 Port B
Port B is an input/output port with the 10 pins shown in figure 18.3.
18. I/O Ports
Port B
PB9 (I/O) / IRQ7 (input) / A21 (output) / ADTRG (input)
PB8 (I/O) / IRQ6 (input) / A20 (output) / WAIT (input)
PB7 (I/O) / IRQ5 (input) / A19 (output) / BREQ (input)
PB6 (I/O) / IRQ4 (input) / A18 (output) / BACK (output)
PB5 (I/O) / IRQ3 (input) / POE3 (input) CS7 (output)*
PB4 (I/O) / IRQ2 (input) / POE2 (input) CS6 (output)*
PB3 (I/O) / IRQ1 (input) / POE1 (input) / SDA0 (I/O)
PB2 (I/O) / IRQ0 (input) / POE0 (input) / SCL0 (I/O)
PB1 (I/O) / A17 (output)
PB0 (I/O) / A16 (output)
Note: * Only for the masked ROM version and ROM less version (no corresponding function
in the F-ZTAT version and emulator).
Figure 18.3 Port B
18.2.1 Register Descriptions
Port B is a 10-bit input/output port. Port B has the following register. For details on register
addresses and register states during each processing, refer to section 25, List of Registers.
• Port B data register (PBDR)
Rev.4.00 Mar. 27, 2008 Page 639 of 882
REJ09B0108-0400