C8051F996-GUR Silicon Labs, C8051F996-GUR Datasheet - Page 28
C8051F996-GUR
Manufacturer Part Number
C8051F996-GUR
Description
8-bit Microcontrollers - MCU 8kB ADC 14-CH CDC
Manufacturer
Silicon Labs
Datasheet
1.C8051F986-GUR.pdf
(322 pages)
Specifications of C8051F996-GUR
Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
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C8051F99x-C8051F98x
1.5.
C8051F99x-C8051F98x devices have a 300 ksps, 10-bit or 75 ksps 12-bit successive-approximation-
register (SAR) ADC with integrated track-and-hold and programmable window detector. ADC0 also has an
autonomous low power Burst Mode which can automatically enable ADC0, capture and accumulate
samples, then place ADC0 in a low power shutdown mode without CPU intervention. It also has a 16-bit
accumulator that can automatically average the ADC results, providing an effective 11, 12, or 13 bit ADC
result without any additional CPU intervention.
The ADC can sample the voltage at select GPIO pins (see Figure 1.17) and has an on-chip attenuator that
allows it to measure voltages up to twice the voltage reference. Additional ADC inputs include an on-chip
temperature sensor, the VDD supply voltage, and the internal digital supply voltage.
28
ADC0PWR
ADC0TK
SAR ADC with 16-bit Auto-Averaging Accumulator and Autonomous Low
Power Burst Mode
AMUX0
From
Burst Mode Logic
AIN+
Figure 1.16. ADC0 Functional Block Diagram
ADC0CF
10/12-Bit
ADC
VDD
SAR
Rev. 1.1
ADC0GTH ADC0GTL
ADC0LTH
ADC0CN
ADC0LTL
Conversion
Start
100
000
001
010
011
32
16-Bit Accumulator
AD0WINT
Compare
Window
CNVSTR Input
AD0BUSY (W)
Timer 0 Overflow
Timer 2 Overflow
Timer 3 Overflow
Logic
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