P80CL410 datasheet(3/60 Pages) PHILIPS

3 / 60 page

1997 Apr 10

Philips Semiconductors

Product speciﬁcation

Low voltage 8-bit microcontrollers with

I2C-bus

P80CL410; P83CL410

FEATURES

• Full static 80C51 Central Processing Unit

• 8-bit CPU, ROM, RAM, I/O in a 40-lead DIP,

40-lead VSO or 44-lead QFP package

• 128 bytes on-chip RAM Data Memory

• 4 kbytes on-chip ROM Program Memory for P83CL410

• External memory expandable up to 128 kbytes: RAM up

to 64 kbytes and ROM up to 64 kbytes

• Four 8-bit ports; 32 I/O lines

• Two 16-bit Timer/Event counters

• On-chip oscillator suitable for RC, LC, quartz crystal or

ceramic resonator

• Thirteen source, thirteen vector, nested interrupt

structure with two priority levels

• I2C-bus interface for serial transfer on two lines

• Enhanced architecture with:

– non-page oriented instructions

– direct addressing

– four 8-byte RAM register banks

– stack depth limited only by available internal RAM

(maximum 128 bytes)

– multiply, divide, subtract and compare instructions

• Reduced power consumption through Power-down and

Idle modes

• Wake-up via external interrupts at Port 1

• Frequency range: DC to 12 MHz

• Supply voltage: 1.8 to 6.0 V

• Very low current consumption

• Operating ambient temperature range: −40 to +85 °C.

GENERAL DESCRIPTION

The P80CL410; P83CL410 (hereafter generally referred to

as the P8xCL410) is manufactured in an advanced CMOS

technology that allows the device to operate at voltages

down to 1.8 V and at frequencies down to DC.

The P8xCL410 has the same instruction set as the 80C51.

The P8xCL410 features 4 kbyte ROM (83CL410),

128 bytes RAM (both ROM and RAM are externally

expandable to 64 kbytes), four 8-bit ports, two 16-bit

timer/counter, an I2C serial interface, a thirteen source two

priority level nested interrupt structure, and on-chip

oscillator circuitry suitable for quartz crystal, ceramic

resonator, RC, or LC. The device operates over a wide

range of supply voltages and has low power consumption.

The 8xCL410 has two reduced power modes that are the

same as those on the standard 80C51.

The special reduced power feature of this device is that it

can be stopped and then restarted. Running from an

external clock source, the clock can be stopped and after

a period of time restarted. The 8xCL410 will resume

operation from where it was when the code stopped with

no loss of internal state, RAM contents, or Special

Function Register contents.

If the internal oscillator is used the device cannot be

stopped and started, but the Power-down mode can be

used to achieve similar power savings, without loss of

on-chip RAM and Special Function Register values.

The Power-down mode can be terminated via an interrupt.

This data sheet details the specific properties of the

P80CL410; P83CL410. For details of the 80C51 core see

“Data Handbook IC20”.

For emulation purposes, the P85CL000 (piggy-back

version) with 256 bytes of RAM is recommended. Details

are given in Chapter 22.

2.1

ROMless version: P80CL410

The P80CL410 is the ROMless version of the P83CL410.

The mask options on the P80CL410 are fixed as follows:

• All ports have option ‘1S’ (standard port, HIGH after

reset), except ports P1.6 and P1.7 which have option

‘2S’ (open-drain, HIGH after reset)

• Oscillator option: Oscillator 3

• Power-on-reset option: OFF.

APPLICATIONS

The P8xCL410 is an 8-bit general purpose microcontroller

especially suited for battery-powered applications.

The P8xCL410 also functions as an arithmetic processor

having facilities for both binary and BCD arithmetic plus

bit-handling capabilities.

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