SH7040 Datasheet, PDF (654/923 Pages) Renesas Technology Corp – Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)

• Bits 11 and 10—PA5 Mode 1, 0 (PA5MD1 and PA5MD0): These bits select the function of
the PA5/SCK1/DREQ1/IRQ1 pin.
Bit 11:
PA5MD1
0
1
Bit 10:
PA5MD0
0
1
0
1
Description
General input/output (PA5) (initial value)
Serial clock input/output (SCK1)
DMA transfer request received input (DREQ1) (PA5 in single
chip mode)
Interrupt request input (IRQ1)
• Bit 9—Reserved: This bit always reads as 0. The write value should always be 0.
• Bit 8—PA4 Mode (PA4MD): Selects the function of the PA4/TxD1 pin.
Bit 8: PA4MD
0
1
Description
General input/output (PA4) (initial value)
Transmit data output (TxD1)
• Bit 7—Reserved: This bit always reads as 0. The write value should always be 0.
• Bit 6—PA3 Mode (PA3MD): Selects the function of the PA3/RxD1 pin.
Bit 6: PA3MD
0
1
Description
General input/output (PA3) (initial value)
Receive data input (RxD1)
• Bits 5 and 4—PA2 Mode 1, 0 (PA2MD1 and PA2MD0): These bits select the function of the
PA2/SCK0/DREQ0/IRQ0 pin.
Bit 5:
PA2MD1
0
1
Bit 4:
PA2MD0
0
1
0
1
Description
General input/output (PA2) (initial value)
Serial clock input/output (SCK0)
DMA transfer request received input (DREQ0) (PA2 in single
chip mode)
Interrupt request input (IRQ0)
• Bit 3—Reserved: This bit always reads as 0. The write value should always be 0.
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