Description
11 General Description 15
8052 Instruction Set 18 Timer Operation 18 ALE 18 External Memory Access 18 Complete SFR Map 19 Functional Description 20 8051 Instruction Set 20 Memory Organization 22 Special Function Registers (SFRs) 24 ADC Circuit I
Features
- High resolution Σ-Δ ADCs 2 independent 24-bit ADCs on the ADuC845 Single 24-bit ADC on the ADuC847 and
single 16-bit ADC on the ADuC848 Up to 10 ADC input channels on all devices 24-bit no missing codes 22-bit rms (19.5 bit p-p) effective resolution Offset drift 10 nV/°C, gain drift 0.5 ppm/°C chop enabled Memory 62-kbyte on-chip Flash/EE program memory 4-kbyte on-chip Flash/EE data memory Flash/EE, 100-year retention, 100 kcycle endurance 3 levels of Flash/EE program memory security In-circuit.
ADuC845-AnalogDevices.pdf