15

* This specification are subject to be changed without notice.

EM73880

EM73880

EM73880

EM73880

EM73880

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

11.30.2001

Preliminary

Preliminary

Preliminary

Preliminary

Preliminary

TIME BASE INTERRUPT (TBI )

TIME BASE INTERRUPT (TBI )

TIME BASE INTERRUPT (TBI )

TIME BASE INTERRUPT (TBI )

TIME BASE INTERRUPT (TBI )

The time base can be used to generate a fixed frequency interrupt. There are 8 kinds of frequencies can be

selected by setting P25

P25

3

2

1

0

i

nitial value : 0000

P25

NORMAL operation mode

SLOW operation mode

0 0 x x

Interrupt disable

Interrupt disable

0 1 0 0

Reserved

0 1 0 1

Reserved

0 1 1 0

Reserved

0 1 1 1

1 1 0 0

Reserved

1 1 0 1

1 1 1 0

1 1 1 1

1 0 x x

Reserved

Reserved

TIMER / COUNTER ( TIMERA, TIMERB)

TIMER / COUNTER ( TIMERA, TIMERB)

TIMER / COUNTER ( TIMERA, TIMERB)

TIMER / COUNTER ( TIMERA, TIMERB)

TIMER / COUNTER ( TIMERA, TIMERB)

Timer/counters can support user three special functions:

1. Even counter

2. Timer.

3. Pulse-width measurement.

IDME

SIDR

IDME

Enable IDLE mode

SIDR

Select IDLE releasing condition

0 1

Enable IDLE mode

0 0

P0(0..3), P8(0..3) pin input

* *

Reserved

0 1

P0(0..3), P8(0..3) pin input and 1 sec signal

1 0

P0(0..3), P8(0..3) pin input and 0.5 sec signal

1 1

P0(0..3), P8(0..3) pin input and 15.625 ms signal

STOP OPERATION MODE

STOP OPERATION MODE

STOP OPERATION MODE

STOP OPERATION MODE

STOP OPERATION MODE

The STOP operation mode suspends system operation and holds the internal status immediately before the

suspension with low power consumption. This mode will be released by reset or I/O pins (P0(0..3)/

WAKEUP 0..3 or P8(0..3)/WAKEUP A..D).

LCD display and high speed timer/counter with melody output are disabled in the mode.

P16

32

1

0

Initial value : 0000

SPME

SWWT

SPME

Enable STOP mode

SWWT

Set wake-up warm-up time

0

1

Enable STOP mode

0

0

*

*

Reserved

0

1

10

1

1

Reserved

P19

32

10

Initial value : 0000