AT87LV51-16AI
AT87LV51-16AI Datasheet
The AT87LV51 is a low-voltage, high-performance CMOS 8-bit microcontroller with
| Part | Datasheet |
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AT87LV51-16AI |
AT87LV51-16AI (pdf) |
| Related Parts | Information |
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AT87LV51-16PI |
AT87LV51-16PI |
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AT87LV51-16PC |
AT87LV51-16PC |
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AT87LV51-16JI |
AT87LV51-16JI |
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AT87LV51-16JC |
AT87LV51-16JC |
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AT87LV51-16AC |
AT87LV51-16AC |
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| • Compatible with MCS-51 Products • 4K Bytes of User Programmable QuickFlash Memory • 2.7V to 5.5V Operating Range • Fully Static Operation 0 Hz to 16 MHz • Three-level Program Memory Lock • 128 x 8-bit Internal RAM • 32 Programmable I/O Lines • Two 16-bit Timer/Counters • Six Interrupt Sources • Programmable Serial Channel • Low-power Idle and Power-down Modes The AT87LV51 is a low-voltage, high-performance CMOS 8-bit microcontroller with 4K bytes of QuickFlash One-Time Programmable OTP Read Only memory. The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry standard MCS-51 instruction set and pinout. The on-chip QuickFlash allows the program memory to be user programmed by a conven- tional nonvolatile memory programmer. By combining a versatile 8-bit CPU with QuickFlash on a monolithic chip, the Atmel AT87LV51 is a powerful microcontroller that provides a highly flexible and cost-effective solution to many embedded control applications. continued Pin Configurations TQFP 8-bit Microcontroller with 4K Bytes AT87LV51 44 P1.4 43 P1.3 42 P1.2 41 P1.1 40 P1.0 39 NC 38 VCC 37 P0.0 AD0 36 P0.1 AD1 35 P0.2 AD2 34 P0.3 AD3 PDIP P1.0 1 P1.1 2 P1.2 3 P1.3 4 P1.4 5 P1.5 6 P1.6 7 P1.7 8 RST 9 RXD P3.0 10 TXD P3.1 11 INT0 P3.2 12 INT1 P3.3 13 T0 P3.4 14 T1 P3.5 15 WR P3.6 16 RD P3.7 17 XTAL2 18 XTAL1 19 GND 20 40 VCC 39 P0.0 AD0 38 P0.1 AD1 37 P0.2 AD2 36 P0.3 AD3 35 P0.4 AD4 34 P0.5 AD5 33 P0.6 AD6 32 P0.7 AD7 31 EA/VPP 30 ALE/PROG 29 PSEN 28 P2.7 A15 27 P2.6 A14 26 P2.5 A13 25 P2.4 A12 24 P2.3 A11 23 P2.2 A10 22 P2.1 A9 21 P2.0 A8 P1.5 1 P1.6 2 P1.7 3 RST 4 RXD P3.0 5 NC 6 TXD P3.1 7 INT0 P3.2 8 INT1 P3.3 9 T0 P3.4 10 T1 P3.5 11 33 P0.4 AD4 32 P0.5 AD5 31 P0.6 AD6 30 P0.7 AD7 29 EAVPP 28 NC 27 ALE/PROG 26 PSEN 25 P2.7 A15 24 P2.6 A14 23 P2.5 A13 WR P3.6 12 RD P3.7 13 XTAL2 14 XTAL1 15 GND 16 GND 17 A8 P2.0 18 A9 P2.1 19 A10 P2.2 20 A11 P2.3 21 A12 P2.4 22 PLCC 6 P1.4 5 P1.3 4 P1.2 3 P1.1 2 P1.0 1 NC 44 VCC 43 P0.0 AD0 42 P0.1 AD1 41 P0.2 AD2 40 P0.3 AD3 P1.5 7 P1.6 8 P1.7 9 RST 10 RXD P3.0 11 NC 12 TXD P3.1 13 INT0 P3.2 14 INT1 P3.3 15 T0 P3.4 16 T1 P3.5 17 39 P0.4 AD4 38 P0.5 AD5 37 P0.6 AD6 36 P0.7 AD7 35 EA/VPP 34 NC 33 ALE/PROG 32 PSEN 31 P2.7 A15 30 P2.6 A14 29 P2.5 A13 WR P3.6 18 RD P3.7 19 XTAL2 20 XTAL1 21 GND 22 NC 23 A8 P2.0 24 A9 P2.1 25 A10 P2.2 26 A11 P2.3 27 A12 P2.4 28 Block Diagram AT87LV51 AT87LV51 The AT87LV51 provides the following standard features 4K bytes of QuickFlash OTP program memory, 128 bytes of RAM, 32 I/O lines, two 16-bit timer/counters, a five-vector, 2-level interrupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry. In addition, the AT87LV51 is designed with static logic for operation down to zero frequency and supports two software-selectable power-saving modes. The Idle mode stops the CPU while allowing the RAM, timer/counters, serial port and interrupt system to continue functioning. The Power-down mode saves the RAM contents but freezes the oscillator disabling all other chip functions until the next hardware reset. Pin Description Ordering Information Speed MHz Power Supply 2.7V to 5.5V 2.7V to 5.5V Ordering Code AT87LV51-12AC AT87LV51-12JC AT87LV51-12PC AT87LV51-12AI AT87LV51-12JI AT87LV51-12PI AT87LV51-16AC AT87LV51-16JC AT87LV51-16PC AT87LV51-16AI AT87LV51-16JI AT87LV51-16PI Package 44A 44J 40P6 44A 44J 40P6 44A 44J 40P6 44A 44J 40P6 Operation Range Commercial 0°C to 70°C Industrial -40°C to 85°C Commercial 0°C to 70°C Industrial -40°C to 85°C 44A 44J 40P6 Package Type 44-lead, Thin Plastic Gull Wing Quad Flatpack TQFP 44-lead, Plastic J-leaded Chip Carrier PLCC 40-pin, Wide, Plastic Dull Inline Package PDIP AT87LV51 AT87LV51 Packaging Information 44A, 44-lead, Thin mm Plastic Gull Wing Quad Flat Package TQFP Dimensions in Millimeters and Inches * 44J, 44-lead, Plastic J-leaded Chip Carrier PLCC Dimensions in Inches and Millimeters PIN 1 ID BSC X 45° PIN NO. 1 IDENTIFY X 30° - 45° .685 17.4 SQ REF SQ X 45° MAX 3X *Controlling dimension millimeters 40P6, 40-pin, Wide, Plastic Dual Inline Package PDIP Dimensions in Inches and Millimeters JEDEC STANDARD MS-011 AC SEATING PLANE 0 REF 15 Atmel Headquarters Corporate Headquarters 2325 Orchard Parkway San Jose, CA 95131 TEL 408 441-0311 FAX 408 487-2600 Europe Atmel U.K., Ltd. Coliseum Business Centre Riverside Way Camberley, Surrey GU15 3YL England TEL 44 1276-686-677 FAX 44 1276-686-697 Asia Atmel Asia, Ltd. Room 1219 Chinachem Golden Plaza 77 Mody Road Tsimhatsui East Kowloon Hong Kong TEL 852 2721-9778 FAX 852 2722-1369 Japan Atmel Japan K.K. 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 Japan TEL 81 3-3523-3551 FAX 81 3-3523-7581 Atmel Operations Atmel Colorado Springs 1150 E. Cheyenne Mtn. Blvd. Colorado Springs, CO 80906 TEL 719 576-3300 FAX 719 540-1759 Atmel Rousset Zone Industrielle 13106 Rousset Cedex France TEL 33 4-4253-6000 FAX 33 4-4253-6001 Fax-on-Demand North America 1- 800 292-8635 International 1- 408 441-0732 |
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