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LC72323 View Datasheet(PDF) - SANYO -> Panasonic

Part NameDescriptionManufacturer
LC72323 Single-Chip Microcontroller with PLL and LCD Driver SANYO
SANYO -> Panasonic SANYO
LC72323 Datasheet PDF : 13 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Ordering number : EN4950A
Single-Chip Microcontroller with PLL
and LCD Driver
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.
• Stack: Eight levels
• Fast programmable divider
• General-purpose counters: HCTR for frequency
measurement and LCTR for frequency or period
• LCD driver for displays with up to 56 segments
(1/2 duty, 1/2 bias)
• Program memory (ROM): 3 k words by 16 bits
• Data memory (RAM): 256 4-bit digits
• All instructions are single-word instructions
• Cycle time: 2.67 µs, 13.33 µs, or 40.00 µs (option)
• Unlock FF: 0.55 µs detection, 1.1 µs detection
• Timer FF: 1 ms, 5ms, 25ms, 125ms
• Input ports*: One dedicated key input port and one
high-breakdown voltage port
• Output ports*: Two dedicated key output ports, one
high-breakdown voltage open-drain port
Two CMOS output ports (of which one
can be switched to be used as LCD driver
Seven CMOS output ports (mask option
switchable to use as LCD ports)
• I/O ports*: One switchable between input and output
in four-bit units and one switchable
between input and output in one-bit units
Note: * Each port consists of four bits.
• Program runaway can be detected and a special address
set (Programmable watchdog timer).
• Voltage detection type reset circuit
• One 6-bit A/D converter
• One external interrupt
• Hold mode for RAM backup
• Sense FF for hot/cold startup determination
• PLL: 4.5 to 5.5 V
• CPU: 3.5 to 5.5 V
• RAM: 1.3 to 5.5 V
• Package: QIP80E
Package Dimensions
unit: mm
This LSI can easily use CCB that is SANYO’s original bus format.
• CCB is a trademark of SANYO ELECTRIC CO., LTD.
• CCB is SANYO’s original bus format and all the bus
addresses are controlled by SANYO.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
32896HA (OT)/31595TH (OT) No. 4950-1/13
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