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PDF PIC16C433 Data sheet ( Hoja de datos )
| Número de pieza | PIC16C433 | |
| Descripción | 8-Bit CMOS Microcontroller | |
| Fabricantes | Microchip | |
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PIC16C433
Data Sheet
8-Bit CMOS Microcontroller
with LIN Transceiver
2002 Microchip Technology Inc.
Preliminary
DS41139B
1 page  
1.0 GENERAL DESCRIPTION
The PIC16C433 device is a low cost, high perfor-
mance, CMOS, fully static, 8-bit microcontroller with
integrated analog-to-digital (A/D) converter and an inte-
grated LIN bus 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 PIC16C433 microcontroller 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
the 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.
PIC16C433 microcontroller typically achieve a 2:1
code compression and a 4:1 speed improvement over
other 8-bit microcontrollers in their class.
The PIC16C433 device has 128 bytes of RAM, 5 I/O
pins and 1 input pin. In addition, a timer/counter is
available. Also a 4-channel, high speed, 8-bit A/D is
provided. The 8-bit resolution is ideally suited for appli-
cations requiring low cost analog interface (i.e.,
thermostat control, pressure sensing, etc.)
The PIC16C433 device has special features to reduce
external components, thus reducing cost, enhancing
system reliability and reducing power consumption.
The Power-on Reset (POR), Power-up Timer (PWRT),
and Oscillator Start-up Timer (OST) eliminate the need
for external RESET circuitry. There are five oscillator
configurations to choose from, including INTRC preci-
sion internal Oscillator mode and the power saving LP
(Low Power) Oscillator mode. Power saving SLEEP
mode, Watchdog Timer and code protection features
improve system cost, power and reliability. The SLEEP
(power-down) feature provides a Power Saving mode.
The user can wake-up the chip from SLEEP through
several external and internal interrupts and RESETS.
PIC16C433
A highly reliable Watchdog Timer with its own on-chip
RC oscillator provides protection against software lock-
up.
A UV erasable windowed package version is ideal for
code development, while the cost-effective One-Time-
Programmable (OTP) version is suitable for production
in any volume. The customer can take full advantage of
Microchip’s price leadership in OTP microcontrollers,
while benefiting from the OTP’s flexibility.
1.1 Applications
The PIC16C433 microcontroller fits well in applications
ranging from automotive applications to home appli-
ance applications. The EPROM technology makes
customizing application programs extremely fast. The
small footprint packages, for through hole or surface
mounting, make this microcontroller series perfect for
applications with space limitations. Low cost, low
power, high performance, ease of use and I/O flexibility
make the PIC16C433 series very versatile even in
areas where no microcontroller use has been consid-
ered before (i.e., timer functions, replacement of glue
logic and PLD’s in larger systems, coprocessor appli-
cations).
1.2 Development Support
The PIC16C433 device 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 and fuzzy
logic support tools are also available.
2002 Microchip Technology Inc.
Preliminary
DS41139B-page 3
5 Page 
PIC16C433
TABLE 3-1: PIC16C433 PINOUT DESCRIPTION
Name
DIP Pin #
I/O/P
Type
Buffer
Type
Description
GP0/AN0
13 I/O TTL/ST Bi-directional I/O port/serial programming data/analog input
0. Can be software programmed for internal weak pull-up
and interrupt-on-pin change. This buffer is a Schmitt Trig-
ger input when used in Serial Programming mode.
GP1/AN1/VREF
12 I/O TTL/ST Bi-directional I/O port/serial programming clock/analog
input 1/voltage reference. Can be software programmed for
internal weak pull-up and interrupt-on-pin change. This
buffer is a Schmitt Trigger input when used in Serial Pro-
gramming mode.
GP2/T0CKI/AN2/INT
11 I/O ST Bi-directional I/O port/analog input 2. Can be configured as
T0CKI or external interrupt.
GP3/MCLR/VPP
8 I TTL/ST Input port/Master Clear (Reset) input/programming voltage
input. When configured as MCLR, this pin is an active low
RESET to the device. Voltage on MCLR/VPP must not
exceed VDD during normal device operation. Can be soft-
ware programmed for internal weak pull-up and interrupt-
on-pin change. Weak pull-up always on if configured as
MCLR. This buffer is Schmitt Trigger when in MCLR mode.
GP4/OSC2/AN3/CLKOUT
7
I/O TTL Bi-directional I/O port/oscillator crystal output/analog input
3. Connections to crystal or resonator in Crystal Oscillator
mode (HS, XT and LP modes only, GPIO in other modes).
In EXTRC and INTRC modes, the pin output can be config-
ured to CLKOUT, which has 1/4 the frequency of OSC1 and
denotes the instruction cycle rate.
GP5/OSC1/CLKIN
6 I/O TTL/ST Bi-directional IO port/oscillator crystal input/external clock
source input (GPIO in INTRC mode only, OSC1 in all other
oscillator modes). Schmitt Trigger input for EXTRC Oscilla-
tor mode.
LIN 1 I/O HV/OD High voltage bi-directional bus interface.
VBAT
18 P — Battery input voltage.
BACT
17 O TTL Bus activity output pin. It is a CMOS-levels representation
of the LIN pin.
VDD 4 P — Positive supply for logic and I/O pins.
VSS
3,14,16 P
— Ground reference for logic and I/O pins.
AVDD
5 P — Analog positive supply.
AVSS
15 P — Analog ground.
Legend: I = Input, O = Output, I/O = Input/Output, P = Power, — = not used, TTL = TTL input,
ST = Schmitt Trigger input, OD = Open Drain
2002 Microchip Technology Inc.
Preliminary
DS41139B-page 9
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet PIC16C433.PDF ] | |
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