NEC NEC PD78081(A), User Manual

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38
CHAPTER 3 CPU ARCHITECTURE
Address Special-Function Register (SFR) Name Symbol R/W After Reset
FF00H Port0 P0 R/W
√ √
— 00H
FF01H Port1 P1
√ √
—
FF03H Port3 P3
√ √
—
FF05H Port5 P5
√ √
—
FF07H Port7 P7
√ √
—
FF0AH Port10 P10
√ √
—
FF1FH A/D conversion result register ADCR R
√ √
— Undefined
FF20H Port mode register 0 PM0 R/W
√ √
— FFH
FF21H Port mode register 1 PM1
√ √
—
FF23H Port mode register 3 PM3
√ √
—
FF25H Port mode register 5 PM5
√ √
—
FF27H Port mode register 7 PM7
√ √
—
FF2AH Port mode register 10 PM10
√ √
—
FF40H Timer clock select register 0 TCL0
√ √
— 00H
FF42H Timer clock select register 2 TCL2 —
√
—
FF50H Compare Register 50 CR50 —
√
—
FF51H 8-bit timer register 5 TM5 R —
√
—
FF52H Timer clock select register 5 TCL5 R/W —
√
—
FF53H 8-bit timer mode control register 5 TMC5
√ √
—
FF54H Compare Register 60 CR60 —
√
—
FF55H 8-bit timer register 6 TM6 R —
√
—
FF56H Timer clock select register 6 TCL6 R/W —
√
—
FF57H 8-bit timer mode control register 6 TMC6
√ √
—
FF70H Asynchronous serial interface mode register ASIM
√ √
—
FF71H Asynchronous serial interface status register ASIS R
√ √
—
FF72H Serial operating mode register 2 CSIM2 R/W
√ √
—
FF73H Baud rate generator control register BRGC —
√
—
FF74H Transmit shift register TXS SIO2 W —
√
— FFH
Receive buffer register RXB R
FF80H A/D converter mode register ADM R/W
√ √
— 01H
FF84H A/D converter input select register ADIS —
√
— 00H
FFE0H Interrupt request flag register 0L IF0 IF0L
√ √ √
FFE1H Interrupt request flag register 0H IF0H
√ √
FFE2H Interrupt request flag register 1L IF1L
√ √
—
FFE4H Interrupt mask flag register 0L MK0 MK0L
√ √ √
FFH
FFE5H Interrupt mask flag register 0H MK0H
√ √
FFE6H Interrupt mask flag register 1L MK1L
√ √
—
FFE8H Priority order specify flag register 0L PR0 PR0L
√ √ √
FFE9H Priority order specify flag register 0H PR0H
√ √
Table 3-2. Special-Function Register List (1/2)
Manipulatable Bit Unit
8 bits 1 bit 16 bits