C8051T323-GMR Silicon Labs, C8051T323-GMR Datasheet - Page 43
C8051T323-GMR
Manufacturer Part Number
C8051T323-GMR
Description
8-bit Microcontrollers - MCU USB-OTP-16K-QFN28
Manufacturer
Silicon Labs
Datasheet
1.C8051T322-GQR.pdf
(292 pages)
Specifications of C8051T323-GMR
Rohs
yes
Core
8051
Data Bus Width
8 bit
Processor Series
C8051
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8. 10-Bit ADC (ADC0, C8051T620/320/321 only)
ADC0 on the C8051T620/320/321 is a 500 ksps, 10-bit successive-approximation-register (SAR) ADC
with integrated track-and-hold, a gain stage programmable to 1x or 0.5x, and a programmable window
detector. The ADC is fully configurable under software control via Special Function Registers. The ADC
may be configured to measure various different signals using the analog multiplexer described in Section
“8.5. ADC0 Analog Multiplexer (C8051T620/320/321 only)” on page 53. The voltage reference for the ADC
is selected as described in Section “10. Voltage Reference Options” on page 57. The ADC0 subsystem is
enabled only when the AD0EN bit in the ADC0 Control register (ADC0CN) is set to logic 1. The ADC0 sub-
system is in low power shutdown when this bit is logic 0.
AMUX0
From
X1 or
X0.5
AMP0GN0
Figure 8.1. ADC0 Functional Block Diagram
AIN
ADC0CF
C8051T620/621/320/321/322/323
ADC
10-Bit
VDD
SAR
Rev. 1.1
ADC0GTH ADC0GTL
ADC0LTH
ADC0CN
ADC0LTL
Conversion
Start
000
001
010
011
100
101
32
AD0WINT
Compare
Window
CNVSTR Input
AD0BUSY (W)
Timer 0 Overflow
Timer 2 Overflow
Timer 1 Overflow
Timer 3 Overflow
Logic
43
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