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S83L51FB-7N40 Datasheet(PDF) 1 Page - NXP Semiconductors |
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S83L51FB-7N40 Datasheet(HTML) 1 Page - NXP Semiconductors |
1 / 16 page Philips Semiconductors Product specification 87L51FA/87L51FB CMOS single-chip 3.0V 8-bit microcontrollers 3-150 1996 Aug 16 853-1729 17200 DESCRIPTION The 87L51FA and 87L51FB Single-Chip 3.0V 8-Bit Microcontrollers are manufactured in an advanced CMOS process and are derivatives of the 80C51 microcontroller family. The 87L51FA/B has the same instruction set as the 80C51. This device provides architectural enhancements that make it applicable in a variety of applications for general control systems. The 87L51FA contains 8k × 8 memory and the 87L51FB contains 16K × 8 memory, a volatile 256 × 8 read/write data memory, four 8-bit I/O ports, three 16-bit timer/event counters, a Programmable Counter Array (PCA), a multi-source, two-priority-level, nested interrupt structure, an enhanced UART and on-chip oscillator and timing circuits. For systems that require extra capability, the 87L51FA/B can be expanded using standard 3.3V TTL compatible memories and logic. Its added features make it an even more powerful microcontroller for applications that require pulse width modulation, high-speed I/O and up/down counting capabilities such as motor control. It also has a more versatile serial channel that facilitates multiprocessor communications. FEATURES • 80C51 central processing unit • 3.0 to 4.5V V CC range • 8k × 8 EPROM (87L51FA) 16k × 8 EPROM (87L51FB) – Expandable externally to 64k bytes – Quick Pulse programming algorithm – Two level program security system • 256 × 8 RAM, expandable externally to 64k bytes • Three 16-bit timer/counters – T2 is an up/down counter • Programmable Counter Array (PCA) – High speed output – Capture/compare – Pulse Width Modulator – Watchdog Timer • Four 8-bit I/O ports • Full-duplex enhanced UART – Framing error detection – Automatic address recognition • Power control modes – Idle mode – Power-down mode • Once (On Circuit Emulation) Mode • Five package styles • OTP package available PIN CONFIGURATIONS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 T2/P1.0 T2EX/P1.1 ECI/P1.2 CEX0/P1.3 CEX1/P1.4 CEX2/P1.5 CEX3/P1.6 RST RxD/P3.0 TxD/P3.1 INT0/P3.2 INT1/P3.3 T0/P3.4 T1/P3.5 CEX4/P1.7 WR/P3.6 RD/P3.7 XTAL2 XTAL1 VSS P2.0/A8 P2.1/A9 P2.2/A10 P2.3/A11 P2.4/A12 P2.5/A13 P2.6/A14 P2.7/A15 PSEN ALE/PROG EA/VPP P0.7/AD7 P0.6/AD6 P0.5/AD5 P0.4/AD4 P0.3/AD3 P0.2/AD2 P0.1/AD1 P0.0/AD0 VCC DUAL IN-LINE PACKAGE SU00021 |
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