LC587408A View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

Manufacturer

LC587408A

4-Bit Single Chip Microcontroller

SANYO -> Panasonic 

LC587404A/06A/08A

5. Various LCD driving types

LCD Drivie Type

1/3 bias, 1/4 duty

1/3 bias, 1/3 duty

1/2 bias, 1/4 duty

1/2 bias, 1/3 duty

DUPLEX

STATIC

Number of segment drivable

92 Segments

69 Segments

92 Segments

69 Segments

46 Segments

23 Segments

Required common pins

COM1 - COM4

COM1 - COM3

COM1 - COM4

COM1 - COM3

COM1 , COM2

COM1

6. Timers

Timer 1

• 6-bit prescaler + 8-bit programmable reload timer (prescaler shared with Timer 1, Timer2, serial

interface)

• Can be programmed to generate the remote controller carrier signal

Timer 2

• 6-bit prescaler + 8-bit programmable timer (prescaler shared with Timer 1, Timer2, serial interface)

• Used as an event counter

Base Timer (when 32.768kHz X’tal Oscillation is selected)

• Flexible for the application as two types can be chosen from the 4 types of the basic signal

(125ms/500ms or 250ms/1000ms) wih the combination of the program.

7. Stand-by Functions

HALT mode

• This halts an instruction.The oscillation circuit, timer, LCD controller and driver, serial interface

continue their operations.This also deletes unneccesary loops. The low-power consumption is achieved

with utilizing this HALT mode.

• Release conditions for this mode can be set by program.The followings are the functions that can be used

for releasing this HALT mode.

a) INT pin signal change (1 source)

b) Timer 1 (1 source)

c) Timer 2 (1 source)

d) Base Timer (1 source)

e) Serial interface or SO4 pin signal change (either one)

f) Singal changes at Port S and K which are defined with SSW instruction ( 8 sources)

HOLD mode

• Stand-by mode where oscillation circuit stops completely.

• Release conditions for this mode can be set by program.The followings are the functions that can be used

a) INT pin signal change (1 source)

b) Timer 2 event counter mode (1 source)

c) Serial inteface or SO4 pin sinnal change (either one)

d) Singal changes at Port S and K which are defined with SSW instruction ( 8 sources)

e) Reset signal

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