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LC72323R Fiches technique(PDF) 1 Page - Sanyo Semicon Device |
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LC72323R Fiches technique(HTML) 1 Page - Sanyo Semicon Device |
1 / 13 page CMOS LSI Ordering number : EN5378 93096HA (OT) No. 5378-1/13 SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN Single-Chip Microcontroller with PLL and LCD Driver LC72322R, 72323R Overview The LC72322R and LC72323R are single-chip microcontrollers for use in electronic tuning applications. These ICs include on chip both LCD drivers and a PLL circuit that can operate at up to 150 MHz. The LC72322R and LC72323R feature that these ICs are reversed pin- assignment versions of LC72322 and LC72323 respectively and have the equal functions and specifications to theirs respectively. Functions • Stack: Eight levels • Fast programmable divider • General-purpose counters: HCTR for frequency measurement and LCTR for frequency or period measurement • LCD driver for displays with up to 56 segments (1/2 duty, 1/2 bias) • Program memory (ROM): 4095 (8 KB) 16-bit digits: LC72322R 3071 (6 KB) 16-bit digits: LC72323R • 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 outputs) 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 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 • Two 8-bit D/A converters (PWM): LC72322R only • 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 • LC72P321R as OTP used • Package: QIP80DR Package Dimensions unit: mm 3223-QFP80DR 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: QIP80DR [LC72322R, LC72323R] |
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Description similaire - LC72323R |
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