AT83EB5114 Datasheet, PDF (1/95 Pages) ATMEL Corporation – Low-pin-count 8-bit microcontroller with A/D converter

Features
• 80C51 Compatible
– Two I/O Ports
– Two 16-bit Timer/Counters
– 256 bytes RAM
• 4 Kbytes ROM or 4 Kbytes Flash Program Memory
• 256 bytes EEPROM (Stack Die Packaging Technology on SO20 Package)
• X2 Speed Improvement Capability (6 Clocks/Machine Cycle)
• 10-bit, 6 Channels A/D Converter
– One-channel with Progammable Gain and Rectifying Amplifier (Accuracy +/- 5%)
– Voltage Reference for A/D & External Analog
• Hardware Watchdog Timer
• Programmable I/O Mode: Standard C51, Input Only, Push-pull, Open Drain
• Asynchronous Port Reset
• Triple System Clock
– Crystal or Ceramic Oscillator (24 MHz)
– RC Oscillator (12 MHz), with Calibration Factor Using External R and C
(Accuracy +/- 3.5% with Ideal R and C)
– RC Oscillator, Low Power Consumption (12 MHz Low Accuracy)
– Programmable Prescaler
• One PWM Unit Block With:
– 16-bits Programmable Counter
– 3 Independent Modules
• One PWM Unit Block with:
– 16 bits Programmable Counter
– 1 Module
• Interrupt Structure With:
– 7 Interrupt Sources,
– 4 interrupt Priority Levels
• Power Control Modes:
– Idle Mode
– Power-down Mode
– Power Fail Detect, Power On Reset
– Quiet mode for A to D Conversion
• Power Supply: 3 to 3.6V
• Temperature Range: -40 to 85^o C
• Package: SO20, SO24 (upon request)
Low-pin-count
8-bit
microcontroller
with A/D
converter
AT83EB5114
AT89EB5114
Description
The AT8xEB5114 is a high performance version of the 80C51 8-bit microcontroller in a
Low Pin Count package.
The AT8xEB5114 retains all the features of the standard 80C51 with 4 Kbytes pro-
gram memory, 256 bytes of internal RAM, a 7-source, 4-level interrupt system, an on-
chip oscillator and two timers/counters. AT8xEB5114 may include a serial two wire
interface EEPROM housed together with the microcontroller die in the same package.
The AT8xEB5114 is dedicated for analog interfacing applications. For this, it has a 10-
bit, 6 channels A/D converter and two PWM units; these PWM blocks provide PWM
generation with variable frequency and pulse width.
In addition, the AT8xEB5114 has a Hardware Watchdog Timer and an X2 speed
improvement mechanism. The X2 feature allows to keep the same CPU power at a
divided by two oscillator frequency. The prescaler allows to decrease CPU and periph-
erals clock frequency. The fully static design of the AT8xEB5114 allows to reduce
system power consumption by bringing the clock frequency down to any value, even
DC, without loss of data.
Rev. 4311A–8051–01/05
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