MC80F0424 Datasheet, PDF(45/135 Page) List of Unclassifed Manufacturers

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MC80F0424 Datasheet, PDF (45/135 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS

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Preliminary

MC80F0424/0432/0448

R1 Data Register

ADDRESS: 0C2H

RESET VALUE: 00H

R17 R16 R15 R14 R13 R12 R11 R10

Input / Output data

R1 Direction Register

R1IO

ADDRESS: 0C3H

RESET VALUE: 00H

Port Direction

0: Input

1: Output

R1 Pull-up

Selection Register

PU1

ADDRESS: 0FDH

RESET VALUE: 00H

Pull-up Resister Selection

0: Disable

1: Enable

PSR0

ADDRESS: 0F8H

RESET VALUE: 0000 0000B

PWM3 PWM1 EC1E EC0E INT3E INT2E INT1E INT0E

Port / INT Selection

0: R10, R11,R12, R50

1: INT0, INT1,INT2, INT3

Port / EC Selection

0: R15, R51

1: EC0, EC1

Port / PWM3(1) Selection

0: R54 (P53)

1: PWM3O/T3O port (PWM1O/T1O port)

ADDRESS: 0F9H

RESET VALUE: ---- 0000B

PSR1 -

- XTEN BUZO T2O T0O

Timer2/0 Output

0 : R52/R514 Port

1 : Timer2/0 Output

R13/BUZO Selection

0: R13 port (Turn off buzzer)

1: BUZO port (Turn on buzzer)

Sub Clock Selection

0: R21,R22 Port

1: SXin, SXout Port

R2 and R2IO register: R2 is an 4-bit CMOS bidirectional I/O

port (address 0C4H). Each I/O pin can independently used as an

input or an output through the R2IO register (address 0C5H).

In addition, Port R2 is multiplexed with various special features.

The control register PSR1 (address 0F9H) controls the selection

of alternate function. After reset, this value is â0â, port may be

used as normal I/O port.

To use alternate function such as sub clock input and sub clock

output, write â1â in the corresponding bit of PSR1.

Port Pin

R20

R21

R22

R23

Alternate Function

SXIN (sub clock input)

SXOUT (sub clock output)

R2 Data Register

---

ADDRESS: 0C4H

RESET VALUE: ----0000B

- R23 R22 R21 R20

Input / Output data

R2 Direction Register

R2IO - - - -

ADDRESS: 0C5H

RESET VALUE: ----0000B

Port Direction

0: Input

1: Output

R3 and R3IO register: R3 is an 8-bit CMOS bidirectional I/O

port (address 0C6H). Each I/O pin can independently used as an

input or an output through the R3IO register (address 0C7H).

In addition, Port R3 is multiplexed with various special features.

After reset, this value is "0", port may be used as normal I/O port.

To use alternate function, write â1â in the corresponding bit of

ASIMR1 and BRGCR1 register.

Port Pin

R30

R31

R32

R33

R37

Alternate Function

ACLK1 (UART1 clock input)

RxD1 (UART1 data input)

TxD1(UART1 data output)-

MAR. 2005 Ver 0.2

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