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P83Cx80

Features: ` 80C51 type core` On-chip oscillator with a maximum frequency of 16 MHz (maximum 0.75 ms instruction cycle)` A DDC interface: That fully supports DDC1 with specific hardware That is DDC2B, DDC2B+, DDC2AB (ACCESS.bus) compliant, based on a dedicated hardware I2C-businterface. Contains a ...

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SeekIC No. : 004453670 Detail

P83Cx80: Features: ` 80C51 type core` On-chip oscillator with a maximum frequency of 16 MHz (maximum 0.75 ms instruction cycle)` A DDC interface: That fully supports DDC1 with specific hardware That is DDC2B...

P83Cx80 Data Sheet

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Part Number:
P83Cx80
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` 80C51 type core
` On-chip oscillator with a maximum frequency of 16 MHz
  (maximum 0.75 ms instruction cycle)
` A DDC interface:
That fully supports DDC1 with specific hardware
That is DDC2B, DDC2B+, DDC2AB (ACCESS.bus)
  compliant, based on a dedicated hardware I2C-bus interface.
Contains a specific AUX-RAM buffer with
  programmable size (128 or 256 bytes) that can be
  used for DDC operation and shared as system RAM
` Automatic mode detection by hardware to capture the
  following information:
HSYNC frequency with 12-bit resolution
VSYNC frequency with 12-bit resolution
HSYNC and VSYNC polarity
HSYNC and VSYNC presence; needed for the VESA
  Device Power Management Signalling (DPMS) standard
` On-chip sync processor comprising:
Composite sync separation
Free running mode
Clamping
Pattern generation
` Two specific ports for the software I2C-bus interface
` 4 analog voltage outputs derived from an 8-bit
  Digital-to-Analog Converter (DAC)
` Ten 8-bit Pulse Width Modulation (PWM) outputs for
  digital control application
` One 14-bit PWM output for digital control application
` One 4-bit Analog-to-Digital Converter (ADC) with 2 input
  channels (for keyboard interface)
` LED driver port (Port 0); eight port lines with 10 mA drive capability
` One 8-bit port only for I/O function
` 20 derivative I/O ports with the specific port type
  configuration in each alternative function
` Watchdog Timer with a programmable interval
` On-chip Power-on-reset for low power detection
` Special Idle and Power-down modes for reduced power operation
` Optimized for Electromagnetic Compatibility (EMC)
` Operating temperature: -25 to +85 °C
` Single power supply: 4.4 to 5.5 V.
1.1 Differences from the 80C51 core
` No external memory connection; signals EA, ALE and
  PSEN are not present.
` Port 1, Port 2 and Port 3 (P3.0 to P3.3 only) mixed with
  other derivative functions.
` Timer 0/Counter 0 and Timer 1/Counter 1: external
  input is removed.
` External interrupt 0/INT0 replaced by Mode detection function.
` Standard serial interface (UART) and its control register are removed.
` Wake-up from Power-down mode is also possible by means of an interrupt.


Pinout

Connection Diagram


Specifications

 

SYMBOL PARAMETER MIN. MAX. UNIT
VDD supply voltage range 4.4 5.5 V
VI input voltages(all inputs) -0.5 VDD +0.5 V
Isource(max) total maximum source current for all port lines 0.50 0.67 mA
Isink(max) total maximum sink current for all port lines 155 165 mA
Ptot total power dissipation 88.4 170 mW
Tstg storage temperature range -65 +150 °C
Tamb operating ambient temperature range:(for all devices)
 -25
+85
°C



Description

The P83Cx80; P87C380 denotes the following types: P83C880, P83C180, P83C280, P83C380 and P87C380, hereafter referred to as the P83C880, are monitor microcontrollers of the 80C51 family, with DDC (DDC1, DDC2B, DDC2B+ and DDC2AB) interface to the PC host. The internal hardware can separate composite sync signals and detect the various display modes. The digital/analog voltage outputs can be used to control the video and deflection functions the monitor.

This data sheet details the specific properties of the P83C880, P83C180, P83C280, P83C380 and P87C380. The shared characteristics of the 80C51 family of microcontrollers are described in "Data Handbook IC20", which should be read in conjunction with this data sheet.




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