SH7040 Datasheet, PDF (670/923 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—PD21 Mode 1, 0 (PD21MD1 and PD21MD0): These bits select the function
of the PD21/D21/IRQ5 pin.
Bit 11:
PD21MD1
0
1
Bit 10:
PD21MD0
0
1
0
1
Description
General input/output (PD21) (initial value) (D21 with no ROM
and CS0 = 32 bit width)
Data input/output (D21) (PD21 in single chip mode)
Interrupt request input (IRQ5)
Reserved
• Bits 9 and 8—PD20 Mode 1, 0 (PD20MD1 and PD20MD0): These bits select the function of
the PD20/D20/IRQ4 pin.
Bit 9:
PD20MD1
0
1
Bit 8:
PD20MD0
0
1
0
1
Description
General input/output (PD20) (initial value) (D20 with no ROM
and CS0 = 32 bit width)
Data input/output (D20) (PD20 in single chip mode)
Interrupt request input (IRQ4)
Reserved
• Bits 7 and 6—PD19 Mode 1, 0 (PD19MD1 and PD19MD0): These bits select the function of
the PD19/D19/IRQ3 pin.
Bit 7:
PD19MD1
0
1
Bit 6:
PD19MD0
0
1
0
1
Description
General input/output (PD19) (initial value) (D19 with no ROM
and CS0 = 32 bit width)
Data input/output (D19) (PD19 in single chip mode)
Interrupt request input (IRQ3)
Reserved
632