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Preliminary

GENERAL DESCRIPTION

SPL09A

5KB LCD CONTROLLER/DRIVER

The SPL09A is a CMOS 8-bit single chip microprocessor, which contains RAM, ROM, I/Os, interrupt/wakeup

controller, timer and automatic display controller/driver for LCD. This chip is designed not only low power

consumption but also provides standby mode controlled by software for power saving. It is very suitable for LCD

hand-held products.

FEATURES

Built-in 8-bit CPU

96 bytes SRAM

5K bytes ROM

Max. CPU frequency: 2.0MHz @ 3V

CPU clock frequency is programmable,

1/2,1/4,1/8,or 1/16 of RC oscillator frequency

Wide operating voltage : 2.4V - 3.4V

3.6V - 5.5V

Provide 6 INT sources

Built-in 32.768KHz crystal oscillator

Crystal oscillator switches from strong to weak

mode automatically

Internal time base generator

Built-in RC oscillator

Only one resistor is needed

脕

10 general purpose I/Os

6 IO pins support Key wake-up mode

2 IO pins are shared with LCD segments

1 IO pin is shared with LCD common

BLOCK DIAGRAM

32.768KHz

ROSC

Interrupt/wakeup

Control

32.768KHz

Oscillator

&

Time base

10 I/O Ports

IOCD3 - 0

(I/O)

5K bytes

ROM

One 16-bit

Auto reload

Timer

One 16 bits timer / counter

LCD controller

Max. 26 segments x 5 commons

1/2, 1/3 bias ; 1/2, 1/3, 1/4,1/5 duty

Provides useful display operation mode

Low Voltage Reset

Provides 2.2V low Voltage reset

Low power consumption

Operating current: 300 A/1.0MHz @ 3V

Provides standby function (stop all oscillators)

Very low current in Halt mode

In Halt mode: I

HALT

< 1 A @ 3V

96 bytes

RAM

8-bit

RISC

Processor

IOEF5 - 0

(I/O)

LCD RAM

26 SEGMENTS X 5 COMMONS LCD DRIVER

COM4 - 0

SEG25 - 0

Sunplus Technology Co., Ltd.

1

Rev.: 0.1

1999.11.24

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SPL09A相關(guān)型號(hào)PDF文件下載

• 型號(hào)
  版本
  描述
  廠商
  下載
• SPL09A
  英文版
  5KB LCD CONTROLLER/DRIVER
  ETC
  SPL09A
• SPL09A
  英文版
  5KB LCD CONTROLLER/DRIVER
  ETC [ETC]
  SPL09A
• SPL081A
  英文版
  Low Voltage 7KB LCD Controller
  ETC
  SPL081A
• SPL081A
  英文版
  Low Voltage 7KB LCD Controller
  ETC [ETC]
  SPL081A

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