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P80CE558 Datasheet(PDF) 2 Page - NXP Semiconductors |
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P80CE558 Datasheet(HTML) 2 Page - NXP Semiconductors |
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2 / 72 page  Philips Semiconductors Preliminary specification P83CE558/P80CE558/P89CE558 Single-chip 8-bit microcontroller 2 1996 Aug 06 1. FEATURES • 80C51 central processing unit • 32 K × 8 ROM respectively FEEPROM (Flash-EEPROM), expandable externally to 64 Kbytes • ROM/FEEPROM Code protection • 1024 × 8 RAM, expandable externally to 64 Kbytes • Two standard 16-bit timer/counters • An additional 16-bit timer/counter coupled to four capture registers and three compare registers • A 10-bit ADC with eight multiplexed analog inputs and programmable autoscan • Two 8-bit resolution, pulse width modulation outputs • Five 8-bit I/O ports plus one 8-bit input port shared with analog inputs • I2C-bus serial I/O port with byte oriented master and slave functions • Full-duplex UART compatible with the standard 80C51 • On-chip watchdog timer • 15 interrupt sources with 2 priority levels (2 to 6 external sources possible) • Extended temperature range (–40 to +85°C) • 4.5 to 5.5 V supply voltage range • Frequency range for 80C51-family standard oscillator: 3.5 MHz to 16 MHz • PLL oscillator with 32 kHz reference and software-selectable system clock frequency • Seconds Timer • Software enable/disable of ALE output pulse • Electromagnetic compatibility improvements • Wake-up from Power-down by external or seconds interrupt 2. GENERAL DESCRIPTION The P80CE558/P83CE558/P89CE558 (hereafter generically referred to as P8xCE558) single-chip 8-bit microcontroller is manufactured in an advanced CMOS process and is a derivative of the 80C51 microcontroller family. The P8xCE558 has the same instruction set as the 80C51. Three versions of the derivative exist: • P83CE558 — 32 Kbytes mask programmable ROM • P80CE558 — ROMless version of the P83CE558 • P89CE558 — 32 Kbytes FEEPROM (Flash-EEPROM) The P8xCE558 contains a non-volatile 32 Kbytes mask programmable ROM (P83CE558) or electrically erasable FEEPROM respectively (P89CE558), a volatile 1024 × 8 read/write data memory, five 8-bit I/O ports, one 8-bit input port, two 16-bit timer/event counters (identical to the timers of the 80C51), an additional 16-bit timer coupled to capture and compare latches, a 15-source, two-priority-level, nested interrupt structure, an 8-input ADC, a dual DAC pulse width modulated interface, two serial interfaces (UART and I2C-bus), a “watchdog” timer, an on-chip oscillator and timing circuits. For systems that require extra capability the P8xCE558 can be expanded using standard TTL compatible memories and logic. In addition, the P8xCE558 has two software selectable modes of power reduction — Idle Mode and power-down mode. The Idle Mode freezes the CPU while allowing the RAM, timers, serial ports, and interrupt system to continue functioning. The power-down mode saves the RAM contents but freezes the oscillator, causing all other chip functions to be inoperative. The device also functions as an arithmetic processor having facilities for both binary and BCD arithmetic as well as bit-handling capabilities. The instruction set consists of over 100 instructions: 49 one-byte, 45 two-byte, and 17 three- byte. With a 16 MHz system clock, 58% of the instructions are executed in 0.75 µs and 40% in 1.5 µs. Multiply and divide instructions require 3 µs. |
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