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Part Number: APU4003
Description: The APU4003 is a single chip 4-bit micro-controller with LCD drivers. It can drive up to 3 common times or 25 segments,...
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APU4003
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General Description
APU4003 General Description
The APU4003 is a single chip 4-bit micro-controller with LCD drivers. It can drive up to 3 common times or 25 segments, i.e. a 75-segment LCD driver. This 4-bit micro-controller contains a 4-bit parallel processing ALU, 1024x15-bit program ROM, 64x4-bit data RAM,input/output ports, alarm driver, timer, clock generator,crystal and RC oscillator circuit, LCD driver and 79 powerful instructions in a single chip. The HALT instruction can be used to stop all internal operations other than timer, clock generator, crystal/RC oscillator and LCD driver. Very low current dissipation can be easily achieved by combining 4 kinds of interrupt functions and HALT instruction to minimize the operation cycle.
APU4003 Maximum Ratings
| Name | Symbol | Rating | Unit |
| Maximum Supply Voltage | VSS1 | -5.5 ~ +0.3 | V |
| VSS2 | -5.5 ~ +0.3 | V | |
| VSS3 | -5.5 ~ +0.3 | V | |
| Maximum Input Voltage | V1N1 | VSS1-0.3 to +0.3 | V |
| Maximum Output Voltage | VOUT1 | VSS2-0.3 to +0.3 | V |
| VOUT2 | VSS3-0.3 to +0.3 | V | |
| VOUT3 | VSS4-0.3 to +0.3 | V | |
| Maximum Operating Temperature | TOPG | 0 to +70 | |
| Maximum Storage Temperature | TSTG | -25 to +125 |
APU4003 Features
Very low current dissipation
Wide operating voltage range
Supports both Ag and Li batteries
Powerful instruction set
4-level subroutine nesting (including interrupt)
4 event driven interrupts, 2 external and 2 internal
ROM size: 1024x15 bits
RAM size: 64x4 bits
Input ports: 2 ports/8 pins (S and M)
Output port: 1 port/4 pins (P)
Pseudo serial output port (P)
Input/output ports: 2 ports/8 pins (I/OA and I/OB) Control outputs: ALARM, LIGHT
LCD driver outputs(can drive up to 75 LCD segments)
Mask option to select 4 LCD drive modes: static,duplex (1/2 duty 1/2 bias, 1/3 duty 1/2 bias or 1/3 duty 1/3 bias)
Mask option permits LCD driver output pins to be used for DC output ports; up to 25 pins are available
Segment PLA circuit permits any layout on LCDpanel
Built-in clock generator (crystal or RC)
Built-in voltage doubler, halver, tripler
Wide operating voltage range
Supports both Ag and Li batteries
Powerful instruction set
4-level subroutine nesting (including interrupt)
4 event driven interrupts, 2 external and 2 internal
ROM size: 1024x15 bits
RAM size: 64x4 bits
Input ports: 2 ports/8 pins (S and M)
Output port: 1 port/4 pins (P)
Pseudo serial output port (P)
Input/output ports: 2 ports/8 pins (I/OA and I/OB) Control outputs: ALARM, LIGHT
LCD driver outputs(can drive up to 75 LCD segments)
Mask option to select 4 LCD drive modes: static,duplex (1/2 duty 1/2 bias, 1/3 duty 1/2 bias or 1/3 duty 1/3 bias)
Mask option permits LCD driver output pins to be used for DC output ports; up to 25 pins are available
Segment PLA circuit permits any layout on LCDpanel
Built-in clock generator (crystal or RC)
Built-in voltage doubler, halver, tripler
APU4003 Connection Diagram
APU4003
PDF/DataSheet Download
- Datasheet: APU4003
- File Size: 611195 KB
- Manufacturer: APLUS [Apuls Intergrated Circuits]
- Click here to Download
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