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AN87C196 Datasheet(PDF) 1 Page - Intel Corporation

Part No. AN87C196
Description  CHMOS 16-BIT MICROCONTROLLER
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Maker  INTEL [Intel Corporation]
Homepage  http://www.intel.com
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Intel Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in an Intel product. No other circuit patent
licenses are implied. Information contained herein supersedes previously published specifications on these devices from Intel.
© INTEL CORPORATION, 1996
February 1996
Order Number: 272807-000
®
PRODUCT PREVIEW
87C196LB
CHMOS 16-BIT MICROCONTROLLER
Automotive
NOTE
This datasheet contains information on products in the design phase of development. The
specifications are subject to change without notice. Verify with your local Intel sales office
that you have the latest datasheet before finalizing a design.
The 87C196LB is a high-performance 16-bit microcontroller with integrated support for the J1850 communication
protocol.
The
87C196LB
is
composed
of
a
high-speed
core
with
the
following
peripherals:
an
asynchronous/synchronous serial I/O port (8096 compatible) with a dedicated 16-bit baud-rate generator; an
additional synchronous serial I/O port with full duplex master/slave transceivers; a six-channel A/D converter with
sample and hold; a flexible timer/counter structure with prescaler, cascading, and quadrature capabilities; six
modularized, multiplexed high-speed I/O for capture and compare (called event processor array) with 200 ns
resolution and double buffered inputs; and a sophisticated prioritized interrupt structure with programmable
peripheral transaction server (PTS). The clock doubler circuitry and oscillator output signal enable a 4 MHz
resonator to achieve the same internal clock speed as a more costly 8 MHz resonator in previous applications.
This same circuitry can drive other devices where a separate resonator was required in the past. Another cost-
savings feature is the fact that the I/O ports are driven low at reset, avoiding the need for pull-up resistors.
s 20 MHz operation
s 24 Kbytes of on-chip OTPROM
s 768 bytes of on-chip register RAM
s Register-to-register architecture
s Peripheral transaction server (PTS)
with high-speed, microcoded interrupt
service routines
s Integrated, industry-standard J1850
communication protocol
s Six-channel/10-bit A/D with sample and
hold
s High-speed event processor array
— Six capture/compare channels
— Two compare-only channels
— Two 16-bit software timers
16 MHz standard; 20 MHz is speed premium
s Full-duplex serial I/O port with
dedicated baud-rate generator
s Enhanced full-duplex, synchronous
serial I/O port (SSIO)
s Programmable 8- or 16-bit external bus
s Optional clock doubler with
programmable clock output signal
s SFR register that indicates the source
of the last reset
s Design enhancements for EMI
reduction
s Oscillator failure detection circuitry
s Watchdog timer (WDT)
s –40° C to +125° C ambient temperature
s 52-pin PLCC package




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