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LC72346W датащи(PDF) 1 Page - Sanyo Semicon Device |
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LC72346W датащи(HTML) 1 Page - Sanyo Semicon Device |
1 / 12 page Ordering number : ENN*6651 N1501TN (OT) No. 6651-1/12 Overview The LC72346W and LC72347W are ultralow-voltage electronic tuning microcontrollers that include a PLL that operates up to 250 MHz and a 1/4 duty 1/2 bias LCD driver on chip. This IC includes an on-chip DC-DC converter that can easily create the power supply voltages needed for electronic tuning and contribute to reducing end product costs. This IC is optimal for portable audio equipment that must operate from a single battery. Function • Program memory (ROM): — 4096 × 16 bits (8K bytes) : LC72346 — 6144 × 16 bits (12K bytes): LC72347 • Data memory (RAM): — 256 × 4 bits: LC72346 — 512 × 4 bits: LC72347 • Cycle time: 40 µs (all 1-word instructions) at 75kHz crystal oscillation • Stack: 8 levels • LCD driver: 48 to 80 segments (1/4 duty, 1/2 bias drive) • Interrupts: Two external interrupts Timer interrupts (1, 5, 10, and 50 ms) • A/D converter: Four input channels (6-bit successive approximation conversion) • Input ports: 7 ports (of which three can be switched for use as A/D converter inputs) • Output ports: 6 ports (of which 1 can be switched for use as the beep tone output and 2 are open-drain ports) • I/O ports: 20 ports (of which 8 can be switched for use as LCD ports and as mask options, of which 3 can be switched for use as serial I/O ports) • Serial I/O: One system (LC72347) • PLL: Reference frequencies: 1, 3, 3.125, 5, 6.25, 12.5, and 25 kHz • Input frequencies: FM band: 10 to 250 MHz AM band (high): 2 to 20 MHz AM band (low): 0.5 to 10 MHz • Input sensitivity: FM band: 35 mVrms (50 mVrms at 130 MHz or higher frequency) AM band (high, low): 35 mVrms • External reset input: During CPU and PLL operations, instruction execution is started from location 0. • Built-in power-on reset circuit: The CPU starts execution from location 0 when power is first applied. • Halt mode: The controller-operating clock is stopped. Continued on next page. Package Dimensions unit: mm 3190-SQFP64 1.25 0.5 1.25 0.18 12.0 116 17 32 33 48 49 64 10.0 0.5 0.5 0.15 Preliminary SANYO: SQFP64 [LC72346W, 72347W] LC72346W, 72347W SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN Ultralow-Voltage ETR Controller with On-Chip LCD Driver CMOS IC Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein. |
Аналогичный номер детали - LC72346W |
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Аналогичное описание - LC72346W |
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