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LC651204N Datasheet(PDF) 1 Page - Sanyo Semicon Device

Part No. LC651204N
Description  4-Bit Single-Chip Microcontrollers for Small-Scale Control Applications
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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CMOS LSI
Ordering number : EN*5190
93096HA (OT) No. 5190-1/35
Preliminary
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
4-Bit Single-Chip Microcontrollers for Small-Scale
Control Applications
LC651204N/F/L, LC651202N/F/L
Overview
The LC651204N/F/L and LC651202N/F/L are small-scale
application microcontroller products in Sanyo's LC6500
series of 4-bit single-chip CMOS microcontrollers, and as
such they fully support the basic architecture and
instruction set of that series. These microcontrollers are
provided in a 30-pin package and include 2 kilobytes (KB)
and 4 KB of on-chip ROM. These products are
appropriate for use in a wide range of applications, from
applications that use a small number of controls and
circuits that were previously implemented in standard
logic to larger scale applications including audio
equipment such as decks and players, office equipment,
communications equipment, automotive equipment, and
home appliances. Except for the lack of an A/D converter,
these microcontrollers provide the same functionality as
the LC651104, 02N/F/L.
Features
• Fabricated in a CMOS process for low power (An
instruction-controlled standby function is provided.)
• ROM/RAM
LC651204N/F/L - ROM: 4K
× 8 bits, RAM: 256 × 4 bits
LC651202N/F/L - ROM: 2K
× 8 bits, RAM: 256 × 4 bits
• Instruction set: The 80-instruction set provided by all
members of the LC6500 series.
• Wide operating power-supply voltage range of 2.5 to 5.5
volts (L version)
• Instruction cycle time: 0.92 µs (F version)
• On-chip serial I/O circuit
• Highly flexible I/O ports
— Number of ports: 6 ports with a total of 22 pins
— All ports:
Can be used for both input and output
I/O voltage:
15 V maximum (Only for C,
D, E, and F ports with open-
drain output specifications)
Output current: 20 mA maximum sink current
(Capable of directly driving
LEDs.)
— Options that allow specifications to be customized to
match those of the application system.
Specification of open-drain output or built-in pull-
up resistor: can be specified for all ports in bit
units.
Specification of the output level at reset: Can be
specified to be high or low for ports C and D in
port units.
• Interrupt functions
— Timer overflow vector interrupt (The interrupt state
can be tested by the CPU.)
— Vector interrupts initiated by the INT pin or
full/empty states of the serial I/O circuit. (The
interrupt state can be tested by the CPU.)
• Stack levels: 8 levels (shared with interrupts)
• Timers: 4-bit prescaler plus 8-bit programmable timers
• Clock oscillator options to match application system
specifications.
— Oscillator circuit options: 2-pin ceramic oscillator (N,
F, and L versions)
— Divider circuit option: No divider, built-in divide-by-
three circuit, built-in divide-by-four circuit (N and L
versions)
• Supports continuous output of a square wave signal
(with a period 64 times the cycle time)
• Watchdog timer
— RC time constant scheme
— A watchdog timer function can be allocated to one of
the external pins as an option.
• EP version: LC65E1104, OTP version: LC65P1104




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