HD6437101 RENESAS [Renesas Technology Corp], HD6437101 Datasheet - Page 464

• Manufacturer Part Number: HD6437101
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 15 I/O Ports
Port A in the SH7109 is an input/output port with the 16 pins shown in figure 15.2.
15.1.1
Port A is a 16-bit input/output port. Port A has the following register. For details on register
addresses and register states during each processing, refer to section 19, List of Registers.
• Port A data register L (PADRL)
Rev.1.00 Sep. 18, 2008 Page 430 of 522
REJ09B0069-0100
Port A
Register Description
PA15 (I/O) / CK (output) /
PA14 (I/O) /
PA13 (I/O) /
PA12 (I/O) /
PA11 (I/O) /
PA10 (I/O) /
PA9 (I/O) / TCLKD (input) / TxD3 (output)
PA8 (I/O) / TCLKC (input) / RxD3 (input)
PA7 (I/O) / TCLKB (input) /
PA6 (I/O) / TCLKA (input) /
PA5 (I/O) /
PA4 (I/O) / A4 (output) / TxD3 (output)
PA3 (I/O) / A3 (output) / RxD3 (input)
PA2 (I/O) /
PA1 (I/O) / A1 (output) /
PA0 (I/O) / A0 (output) /
Figure 15.2 Port A (SH7109)
(output) /
(input) / A5 (output) / SCK3 (I/O)
(input) / A2 (output) / PCIO (I/O) / SCK2 (I/O)
(output) / SCK2 (I/O)
(output)
(input) /
(input) / SCK3 (I/O)
(input) / TxD2 (output)
(input) / RxD2 (input)
(output) / RxD2 (input)
(input) /
(input)
(input) / TxD2 (output)
(input)
(output)