Philips 80C31 80C32 Data Sheet
Summary
This documentation details the robust 80C31/80C32 microcontroller family—a high-performance, static evolution of the classic 80C51 architecture. These ROMless microcontrollers are ideal for embedded systems requiring low voltage (2.7 V–5.5 V), low power consumption, and high speed up to 33 MHz. The manual provides comprehensive technical specifications, including details on available RAM sizes (128/256 bytes), advanced features like multiple timers, full-duplex UART, and deep sleep modes. It is essential for engineers designing reliable, energy-efficient controllers for diverse demanding applications.
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INTEGRATED CIRCUITS
80C31/80C32 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7 V–5.5 V), low power, high speed (33 MHz)
Product specification 2000 Aug 07 IC28 Data Handbook
Page Summary Contents For Philips 80C31 80C32 Data Sheet
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INTEGRATED CIRCUITS 80C31/80C32 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7 V–5.5 V), low power, high speed (33 MHz) Product specification 2000 Aug 07 IC28 Data Handbo...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) DESCRIPTION FEATURES The Ph...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) 80C51/87C51 AND 80C31 ORDER...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) BLOCK DIAGRAM IN IO IS PORT...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) LOGIC SYMBOL PLASTIC LEADED...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) PIN DESCRIPTIONS PIN NUMBER...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) Table 1. 8XC51/80C31 Specia...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) OSCILLATOR CHARACTERISTICS ...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) Programmable Clock-Out TH2,...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) (MSB) (LSB) TF2 EXF2 RCLK T...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) T2MOD Address = 0C9H Reset ...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) (DOWN COUNTING RELOAD VALUE...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) Baud Rate Generator Mode un...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) Table 5. Timer 2 as a Timer...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) and 1 and exclude Slave 2 u...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) START DATA BYTE ONLY IN STO...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) Interrupt Priority Structur...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) PT0PX1PT1PSPT2—— PX0IP (0B8...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) Reduced EMI Mode Note that ...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) ABSOLUTE MAXIMUM RATINGS1, ...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) DC ELECTRICAL CHARACTERISTI...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) DC ELECTRICAL CHARACTERISTI...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) AC ELECTRICAL CHARACTERISTI...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) AC ELECTRICAL CHARACTERISTI...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) EXPLANATION OF THE AC SYMBO...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) t WHLH t LLWL t WLWH t LLAX...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) VCC–0.5 VLOAD+0.1V TIMING V...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) VCC VCC ICC ICC VCC VCC VCC...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) DIP40: plastic dual in-line...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) PLCC44: plastic leaded chip...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) QFP44: plastic quad flat pa...
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Philips Semiconductors Product specification 80C51 8-bit microcontroller family 128/256 byte RAM ROMless low voltage (2.7V–5.5V), 80C31/80C32 low power, high speed (33 MHz) Data sheet status Data shee...
Manual Details
| Brand | Philips |
|---|---|
| Pages | 32 |
| File Size | 232.89 KB |
| Published | July 04, 2026 |
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Frequently Asked Questions
What is the operating voltage range for the 80C31/80C32?
The device operates at low voltages between 2.7 V and 5.5 V.
Does this microcontroller offer power-saving modes?
Yes, it supports idle mode (freezes CPU) and power-down mode (saves RAM contents).
What are the key hardware features of the 80C31/80C32 series?
They feature a Multi-Processor Communication UART, three 16-bit counters/timers, and 4 levels of nested interrupt structure.
What is the maximum operating frequency available?
The highest recorded operating speed is up to 33 MHz.