C8051F930-TB Silicon Laboratories Inc, C8051F930-TB Datasheet - Page 81
![BOARD TARGET/PROTO W/C8051F930](/photos/9/25/92560/c8051f930-tb_sml.jpg)
C8051F930-TB
Manufacturer Part Number
C8051F930-TB
Description
BOARD TARGET/PROTO W/C8051F930
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F930-TB
Contents
Board
Processor To Be Evaluated
C8051F930
Processor Series
C8051F9xx
Data Bus Width
8 bit
Interface Type
I2C, UART, SPI
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Operating Supply Voltage
0.9 V to 3.6 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
C8051F930
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1472
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5.5.
ADC0 on C8051F93x-C8051F92x has an analog multiplexer, referred to as AMUX0.
AMUX0 selects the positive inputs to the single-ended ADC0. Any of the following may be selected as the
positive input: Port I/O pins, the on-chip temperature sensor, the VBAT Power Supply, Regulated Digital
Supply Voltage (Output of VREG0), VDD/DC+ Supply, or the positive input may be connected to GND. The
ADC0 input channels are selected in the ADC0MX register described in SFR Definition 5.12.
Important Note About ADC0 Input Configuration: Port pins selected as ADC0 inputs should be
configured as analog inputs, and should be skipped by the Digital Crossbar. To configure a Port pin for
analog input, set to 0 the corresponding bit in register PnMDIN and disable the digital driver (PnMDOUT =
0 and Port Latch = 1). To force the Crossbar to skip a Port pin, set to 1 the corresponding bit in register
PnSKIP. See Section “21. Port Input/Output” on page 212 for more Port I/O configuration details.
ADC0 Analog Multiplexer
Sensor
Sensor
Temp
Temp
Digital Supply
Digital Supply
VDD/DC+
VDD/DC+
P2.6*
P2.6*
P0.0
P0.0
VBAT
VBAT
Figure 5.7. ADC0 Multiplexer Block Diagram
*P1.7-P2.6 only available as
*P1.7-P2.6 only available as
inputs on 32-pin packages
inputs on 32-pin packages
ADC0MX
ADC0MX
AMUX
AMUX
Rev. 1.1
C8051F93x-C8051F92x
Gain = 0.5 or 1
Gain = 0.5 or 1
Programmable
Programmable
Attenuator
Attenuator
AIN+
AIN+
ADC0
ADC0
81
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