PIC16C432(2002) View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16C432
(Rev.:2002)

OTP 8-Bit CMOS MCU with LIN Transceiver

Microchip Technology 

1.0 GENERAL DESCRIPTION

The PIC16C432 is a 20-pin EPROM-based member of

the versatile PICmicro® family of low cost, high perfor-

mance, CMOS, fully-static, 8-bit microcontrollers with

an integrated LIN transceiver.

The LIN physical layer is implemented in hardware with

a voltage range from 0V to 18V, with a 40V transient

capability. The LIN protocol is to be implemented in

firmware, which enables flexibility with future revisions

of the LIN protocol.

All PICmicro® microcontrollers employ an advanced

RISC architecture. The PIC16C432 device has

enhanced core features, eight-level deep stack, and

multiple internal and external interrupt sources. The

separate instruction and data buses of the Harvard

architecture allow a 14-bit wide instruction word with

separate 8-bit wide data. The two stage instruction

pipeline allows all instructions to execute in a single

cycle, except for program branches (which require two

cycles). A total of 35 instructions (reduced instruction

set) are available. Additionally, a large register set

gives some of the architectural innovations used to

achieve a very high performance.

PIC16C432 microcontrollers typically achieve a 2:1

code compression and a 4:1 speed improvement over

other 8-bit microcontrollers in their class.

The PIC16C432 has 12 I/O pins and an 8-bit timer/

counter with an 8-bit programmable prescaler. In addi-

tion, the PIC16C432 adds two analog comparators with

a programmable on-chip voltage reference module.

The comparator module is ideally suited for applica-

tions requiring a low cost analog interface (e.g., battery

chargers, threshold detectors, white goods

controllers, etc.).

PIC16C432 devices have special features to reduce

external components, thus reducing system cost,

enhancing system reliability and reducing power con-

sumption. There are four oscillator options, of which the

single pin RC oscillator provides a low cost solution, the

LP oscillator minimizes power consumption, XT is a

standard crystal, and the HS is for High Speed crystals.

The SLEEP (power-down) mode offers power savings.

The user can wake-up the chip from SLEEP through

several external and internal interrupts and RESET.

PIC16C432

A highly reliable Watchdog Timer with its own on-chip

RC oscillator provides protection against software lock-

up.

A UV erasable CERDIP packaged version is ideal for

code development, while the cost effective One-Time-

Programmable (OTP) version is suitable for production

in any volume.

A simplified block diagram of the PIC16C432 is shown

in Figure 4-1.

The PIC16C432 series fits perfectly in automotive and

industrial applications, which require LIN as a commu-

nication platform. The EPROM technology makes

customization of application programs (detection

levels, pulse generation, timers, etc.) extremely fast

and convenient. The small footprint packages make

this microcontroller series perfect for all applications

with space limitations. Low cost, low power, high per-

formance, ease of use and I/O flexibility make the

PIC16C432 very versatile.

1.1 Development Support

The PIC16C432 family is supported by a full-featured

macro assembler, a software simulator, an in-circuit

emulator, a low cost development programmer and a

full-featured programmer. A “C” compiler is also

available.

 2002 Microchip Technology Inc.

Preliminary

DS41140B-page 3

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