P89LPC932A1 डेटा पत्रक PDF( Datasheet डाउनलोड )

डेटा पत्रक - 8-Bit Microcontroller - NXP Semiconductors

भाग संख्या P89LPC932A1
समारोह 8-Bit Microcontroller
मैन्युफैक्चरर्स NXP Semiconductors 
लोगो NXP Semiconductors लोगो 
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P89LPC932A1 pdf
Philips Semiconductors
8-bit microcontroller with accelerated two-clock 80C51 core
s In-Circuit Programming (ICP) allows simple production coding with commercial
EPROM programmers. Flash security bits prevent reading of sensitive application
s Serial flash In-System Programming (ISP) allows coding while the device is mounted
in the end application.
s In-Application Programming (IAP) of the flash code memory. This allows changing the
code in a running application.
s Watchdog timer with separate on-chip oscillator, requiring no external components.
The watchdog prescaler is selectable from eight values.
s Low voltage reset (brownout detect) allows a graceful system shutdown when power
fails. May optionally be configured as an interrupt.
s Idle and two different power-down reduced power modes. Improved wake-up from
Power-down mode (a LOW interrupt input starts execution). Typical power-down
current is 1 µA (total power-down with voltage comparators disabled).
s Active-LOW reset. On-chip power-on reset allows operation without external reset
components. A reset counter and reset glitch suppression circuitry prevent spurious
and incomplete resets. A software reset function is also available.
s Configurable on-chip oscillator with frequency range options selected by user
programmed flash configuration bits. Oscillator options support frequencies from
20 kHz to the maximum operating frequency of 18 MHz.
s Oscillator fail detect. The watchdog timer has a separate fully on-chip oscillator
allowing it to perform an oscillator fail detect function.
s Programmable port output configuration options: quasi-bidirectional, open drain,
push-pull, input-only.
s Port ‘input pattern match’ detect. Port 0 may generate an interrupt when the value of
the pins match or do not match a programmable pattern.
s LED drive capability (20 mA) on all port pins. A maximum limit is specified for the
entire chip.
s Controlled slew rate port outputs to reduce EMI. Outputs have approximately 10 ns
minimum ramp times.
s Only power and ground connections are required to operate the P89LPC932A1 when
internal reset option is selected.
s Four interrupt priority levels.
s Eight keypad interrupt inputs, plus two additional external interrupt inputs.
s Schmitt trigger port inputs.
s Second data pointer.
s Emulation support.
2.3 Comparison to the P89LPC932
The P89LPC932A1 includes several improvements compared to the P89LPC932. Please
see P89LPC932A1 User manual for additional detailed information.
s Byte-erasability has been added to the user code memory space.
s All of the errata described in the P89LPC932 Errata sheet have been fixed.
s Serial ICP has been added.
9397 750 14871
Product data sheet
Rev. 02 — 10 May 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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