C8051F130 Silicon Laboratories Inc, C8051F130 Datasheet - Page 105
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C8051F130
Manufacturer Part Number
C8051F130
Description
IC 8051 MCU 128K FLASH 100TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F13xr
Specifications of C8051F130
Core Processor
8051
Core Size
8-Bit
Speed
100MHz
Connectivity
EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
64
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
336-1147
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8.
The C8051F12x devices include two on-chip 12-bit voltage-mode Digital-to-Analog Converters (DACs).
Each DAC has an output swing of 0 V to (VREF-1LSB) for a corresponding input code range of 0x000 to
0xFFF. The DACs may be enabled/disabled via their corresponding control registers, DAC0CN and
DAC1CN. While disabled, the DAC output is maintained in a high-impedance state, and the DAC supply
current falls to 1 µA or less. The voltage reference for each DAC is supplied at the VREFD pin
(C8051F120/2/4/6 devices) or the VREF pin (C8051F121/3/5/7 devices). Note that the VREF pin on
C8051F121/3/5/7 devices may be driven by the internal voltage reference or an external source. If the
internal voltage reference is used it must be enabled in order for the DAC outputs to be valid. See
“9. Voltage Reference” on page 113
DACs.
8.1.
Each DAC features a flexible output update mechanism which allows for seamless full-scale changes and
supports jitter-free updates for waveform generation. The following examples are written in terms of DAC0,
but DAC1 operation is identical.
DACs, 12-Bit Voltage Mode (C8051F12x Only)
DAC Output Scheduling
DAC0MD1
DAC0MD0
DAC1MD1
DAC1MD0
DAC0DF2
DAC0DF1
DAC0DF0
DAC1DF2
DAC1DF1
DAC1DF0
DAC0EN
DAC1EN
Figure 8.1. DAC Functional Block Diagram
8
8
8
8
8
8
8
8
for more information on configuring the voltage reference for the
12
12
Rev. 1.4
REF
REF
DAC0
DAC1
C8051F120/1/2/3/4/5/6/7
C8051F130/1/2/3
AGND
AGND
AV+
AV+
DAC0
DAC1
Section
105
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