C8051F966-A-GQ Silicon Labs, C8051F966-A-GQ Datasheet - Page 95
C8051F966-A-GQ
Manufacturer Part Number
C8051F966-A-GQ
Description
8-bit Microcontrollers - MCU 32KB DC-DC LCD AES
Manufacturer
Silicon Labs
Datasheet
1.C8051F960-A-GQ.pdf
(492 pages)
Specifications of C8051F966-A-GQ
Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
Maximum Clock Frequency
24.5 MHz
Program Memory Size
32 KB
Data Ram Size
8 KB
On-chip Adc
Yes
Operating Supply Voltage
1.8 V to 3.8 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
QFP-80
Mounting Style
SMD/SMT
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C8051F96x
5.7. ADC0 Analog Multiplexer
ADC0 on C8051F96x 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), VDC 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.
ADC0MX
P0.0
Programmable
Attenuator
AIN+
ADC0
AMUX
P2.3*
Temp
Sensor
Gain = 0.5 or 1
VBAT
Digital Supply
VDC
*P1.0 – P1.3 are not available as analog inputs
Figure 5.7. ADC0 Multiplexer Block Diagram
Important Note About ADC0 Input Configuration: Port pins selected as ADC0 inputs should be config-
ured 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 “27. Port Input/Output” on page 351 for more Port I/O configuration details.
Rev. 0.5
95
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