UPD78C18 datasheet(87/110 Pages) NEC

87 / 110 page

µPD78C17,78C18

LIST OF MODE REGISTERS

Read/

Name of Mode Registers

Function

Write

MODE A register

Specifies bit-wise the input/output of the port A.

MODE B register

Specifies bit-wise the input/output of the port B.

MCC

MODE CONTROL

Specifies bit-wise the port/control mode of the port C.

C register

MODE C register

Specifies bit-wise the input/output of the port C which is in port mode.

MEMORY MAPPING

Specifies the port/expansion mode of port D and port F.

MODE F register

Specifies bit-wise the input/output of the port F which is in port mode.

TMM

Timer mode register

R/W

Specifies operating mode of timer.

ETMM

Timer/event counter

Specifies the operating mode of timer/event counter.

mode register

EOM

Timer/event counter

R/W

Control the output level of CO0 and CO1.

output mode register

SML

Serial mode register

Specifies the operating mode of serial interface.

SMH

R/W

MKL

Interrupt mask register

R/W

Specifies the enable/disable of the interrupt request.

MKH

ANM

A/D channel mode

R/W

Specifies the operating mode of A/D converter.

ZCM

Zero-cross mode

Specifies the operation of zero-cross detector circuit.

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