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Sanyo Electric Components Datasheet

LC587506A Datasheet

(LC587504A - LC587508A) 4-Bit 1-Chip Microcomputers

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Ordering number : ENN*7807
LC587508A
LC587506A
LC587504A
ROM (8K/6K/4K × 16 bits), RAM (512 × 4 bits), LCD driver
4-bit 1-chip Microcomputers
Overview
The LC587508A/06A/04A are CMOS 4-bit microcontrollers that, centering around a low-voltage-operable CPU,
incorporate on a single-chip a number of features including 8K/6K/4K × 16 bits of ROM, 512 × 4 bits of RAM, stack-
dedicated RAM (8 levels), 8-bit AD (4CH), 8-bit timer (2 channels) (1 channel can be used as an event counter), 8-bit
synchronous serial interface, alarm signal generator circuit, remote control carrier generator circuit, LCD controller
and driver, and powerful standby function (power saving feature). They are upward-compatible versions of the
LC587408A, extended with reinforced I/O port and segment driver capabilities.
Functions
Mobile devices with LCD display capabilities (optimum for mobile device applications that require battery-driven
low power operation).
Control and LCD display of and for portable CDs, timers, and health monitoring instruments.
Remote control for CDs, VCRs, tuners, etc.
Features
ROM
LC587508A (8192 × 16 bits)
LC587506A (6144 × 16 bits)
LC587504A (4096 × 16 bits)
RAM
LC587508A (512 × 4 bits)
LC587506A (512 × 4 bits)
LC587504A (512 × 4 bits)
Ver 1.11
22504 TN IM AO No.7807-1/17


Sanyo Electric Components Datasheet

LC587506A Datasheet

(LC587504A - LC587508A) 4-Bit 1-Chip Microcomputers

No Preview Available !

www.DataSheet4U.com
LC587508A, 587506A, 587504A
Instruction Cycle Time
(all instructions except table lookup instructions execute in one cycle)
LCD voltage step-up option (1.5V power supply/Ag battery, etc.)
Cycle Time
20µs
122µs
Supply Voltage
1.35 to 1.75V
1.35 to 1.75V
System Clock Oscillation Source
RC oscillator
Xtal (crystal) oscillator
Oscillation Frequency
200kHz
32.768kHz
LCD voltage step-down option (3.0V power supply/Li battery, etc.)
Cycle Time
Supply Voltage
System Clock Oscillation Source
Oscillation Frequency
1µs 4.5 to 5.5V CF (ceramic) oscillator
4MHz
4µs 2.5 to 5.5V CF (ceramic) oscillator
1MHz
10µs
2.5 to 5.5V
CF (ceramic) oscillator
400kHz
122µs
2.0 to 5.5V
Xtal (crystal) oscillator
32.768kHz
* It must be noted when using an LCD, that the lower limit of the system operating voltage becomes
higher in accordance with the LCD's bias specifications.
Ports
Input-only pins
Port S (4 pins)
INT pin (1 pin)
Input/output pins
Port K (4 pins)
The output type is fixed to "CMOS".
Port M (4 pins)
The output type can be programmed to "CMOS" or "Pch" on a port basis.
(The M4 pin is configured as a signal input pin when timer 2 is set in the event counter mode).
Port SO (4 pins)
The output type can be programmed to "CMOS" or "Nch" on a port basis. The three pins SO1, SO2, and SO3
are also used for the serial interface (2-pin serial communication is also possible).
Port P (4 pins)
The output type can be programmed to "CMOS" or "Pch" on a port basis.
Port A (4 pins)
The output type can be programmed to "CMOS" or "Pch" on a port basis.
Output-only pins
Port N (4 pins)
The N3 pin is also used as the remote controller carrier output pin. The N4 pin is also used as the alarm output
pin.
LCD driver pins
Common pin (4 pins)
Segment pin (35 pins)
Each segment pin incorporates dedicated memory (segment memory) for holding output data. Its output type can
be changed under program control from "LCD driver output" to a general-purpose output type (CMOS, Pch, or
Nch).
Variety of LCD Drive Modes
LCD Drive Mode
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
No. of Drivable Segments
140 segments
105 segments
140 segments
105 segments
70 segments
35 segments
Required Common Pins
COM1 to COM4
COM1 to COM3
COM1 to COM4
COM1 to COM3
COM1 and COM2
COM1
No.7807-2/17


Part Number LC587506A
Description (LC587504A - LC587508A) 4-Bit 1-Chip Microcomputers
Maker Sanyo
Total Page 18 Pages
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