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Part Name(s) : LC72321N LC72322N LC72323N SANYO
SANYO -> Panasonic
Description : Single-Chip Microcontrollers with Built-in LCD Driver and PLL Circuits View

Overview

The LC72321N, LC72322N, and LC72323N are single chip Microcontrollers designed for electronic tuning in radio receivers and include an On-Chip LCD Driver circuit and a PLL circuit that operates at 150 MHz. These Microcontrollers feature a large program ROM capacity, an efficient instruction set, and powerful hardware. Note that the LC72321N, LC72322N, and LC72323N provide functions equivalent to the LC72321, LC72322, and LC72323, and are software compatible with those products.


Part Name(s) : LC72341G LC72341G/W LC72342G/W LC72343G/W LC72341W LC72342G LC72342W LC72343G LC72343W SANYO
SANYO -> Panasonic
Description : Low-Voltage Single-Chip Microcontrollers with On-Chip PLL and LCD Driver Circuits View

Overview
The LC72341G/W, LC72342G/W, and LC72343G/W are Single-Chip Microcontrollers with both a 1/4-duty 1/2-bias LCD Driver circuit and a PLL circuit that can operate at up to 250 MHz integrated on the same chip. These ICs are ideal for use in portable audio equipment.

Functions
• High-speed programmable divider
• Program memory (ROM)
    — LC72341G/W: 2048 words × 16 bits (4KB)
    — LC72342G/W: 3072 words × 16 bits (6KB)
    — LC72343G/W: 4096 words × 16 bits (8KB)
• Data memory (RAM)
    — LC72341G/W: 128 words × 4 bits
    — LC72342G/W: 192 words × 4 bits
    — LC72343G/W: 256 words × 4 bits
• Instruction cycle time
    — 40 µs (for all single-word instructions.)
• Stack
    — 4 levels (LC72341G/W)
    — 8 levels (LC72342G/W, and LC72343G/W)
LCD Driver
    — 48 to 80 segments (1/4-duty 1/2-bias drive)
• Timer interrupts
    — One timer circuit providing intervals of 1, 5, 10, and 50 ms.
• External interrupts
    — One external interrupt (INT)
• A/D converter
    — Two channels (5-bit successive approximation)
• Input ports
    — 7 (Of which two can be switched to function as A/D converter inputs)
• Output ports
    — 6 (Of which one can be switched to function as the BEEP tone output. Two ports are open-drain ports.)
• I/O ports
    — 16 (Of which 8 can be selected to function as LCD ports as mask options.)
PLL circuit
    — Two types of dead band control are supported, and an unlock detection circuit is included.
        Reference frequencies of 1, 3, 5, 6.25, 12.5, and 25 kHz can be provided.
• Input frequency range
    — FM band: 10 to 130 MHz 130 to 250 MHz
    — AM band: 0.5 to 15 MHz

Part Name(s) : LC5872 LC5873 LC5874 LC5876 SANYO
SANYO -> Panasonic
Description : 4-bit Single-Chip Microcontrollers with LCD Driver, 12KB/8KB/6KB/4KB ROM, 1BK RAM On Chip View

4-bit Single-Chip Microcontrollers with LCD Driver, 12KB/8KB/6KB/4KB ROM, 1BK RAM On Chip

Part Name(s) : LC72336 LC72338 SANYO
SANYO -> Panasonic
Description : Single-Chip Microcontrollers with Built-In LCD Driver and PLL Circuits View

Overview

The LC72336 and LC72338 are Single-Chip Microcontrollers for use in electronic tuners. These products include on chip a PLL circuit that can operate at up to 150 MHz and 1/3 duty LCD Drivers. They feature a highly efficient instruction set and powerful hardware.



Functions

• High-speed programmable divider

• Program memory (ROM)

   — LC72336: 6143 × 16 bits (12 kB)

   — LC72338: 8191 × 16 bits (16 kB)

• Data memory (RAM): 512 × 4 bits

• All instructions are one-word instructions

• Cycle time: 1.33 µs

• Stack: 8 levels

LCD Drivers: Up to 96 segments (1/3 duty, 1/3 bias)

• Serial I/O: Up to 3 channels (8-bit 3-wire type)

• External interrupts: 2 interrupts (INT0, INT1)

   Interrupt on rising or falling edge (selectable)

• Internal interrupts: 3 interrupt

   Two built-in timer interrupts and 1 serial I/O interrupt

• Nested interrupt levels: 4 levels

• D/A converter: 4 channels (8-bit PWM output)

• A/D converter: 4 channels (6-bit successive approximation)

• General-purpose ports:

   — Input ports: 8

   — Output ports: 12 (16 maximum)

   — I/O ports: 8 (20 maximum, can be switched between input and output in bit units.)

PLL block: Supports 4 types of dead zone control, and includes a built-in unlock detection circuit.

   Supports 12 different reference frequencies.

• Universal counter: 20 bits (Can be used for either frequency or period measurement.)

• Timers: Eight types of time measurement

• Beep function: Six beep tones

• Reset: Built-in voltage detection type reset circuit

• Halt mode: Stops the controller operating clock.

• Operating supply voltage: 4.5 to 5.5 V (3.5 to 5.5 V if only the controller block operates.)



 



Part Name(s) : LC72323 SANYO
SANYO -> Panasonic
Description : Single-Chip Microcontroller with PLL and LCD Driver View

Overview

The LC72323 is a Single-Chip microcontroller for use in electronic tuning applications. It includes on chip both LCD Drivers and a PLL circuit that can operate at up to 150 MHz. It features a highly efficient instruction set, and powerful hardware.


Part Name(s) : LC72322 SANYO
SANYO -> Panasonic
Description : Single-Chip Microcontroller with PLL and LCD Driver View

Overview

The LC72322 is a Single-Chip microcontroller for use in electronic tuning applications. It includes on chip both LCD Drivers and a PLL circuit that can operate at up to 150 MHz. It features a large-capacity ROM, a highly efficient instruction set, and powerful hardware.


Part Name(s) : LC72321 SANYO
SANYO -> Panasonic
Description : Single-Chip Microcontroller with PLL and LCD Driver View

Overview

The LC72321 is a Single-Chip microcontroller for use in electronic tuning applications. It includes on chip both LCD Drivers and a PLL circuit that can operate at up to 150 MHz. It features a large-capacity ROM, a highly efficient instruction set, and powerful hardware.



 


Part Name(s) : LC72348G LC72348W LC72349 LC72349G LC72349W LC72348 SANYO
SANYO -> Panasonic
Description : Low-Voltage ETR Controller with On-Chip LCD Driver View

Overview
The LC72348G/W and LC72349G/W are Low-Voltage electronic tuning Microcontrollers that include a PLL that operates up to 230 MHz and a 1/4 duty 1/2 bias LCD Driver on chip. These ICs can contribute to further end product cost reduction than the LC72341 series while providing improved standby current characteristics. Also these ICs can use the application program for the LC72341 series except the IF counter function.
These ICs are optimal for use in Low-Voltage portable audio equipment that includes a radio receiver.

Part Name(s) : SM3905 Sharp
Sharp Electronics
Description : 4-Bit Single-Chip Microcomputer (LCD Driver) View

4-Bit Single-Chip Microcomputer (LCD Driver)

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