C8051F986-GU Silicon Laboratories Inc, C8051F986-GU Datasheet - Page 64
C8051F986-GU
Manufacturer Part Number
C8051F986-GU
Description
IC MCU 8BIT 8KB FLASH 24QSOP
Manufacturer
Silicon Laboratories Inc
Series
C8051F9xxr
Specifications of C8051F986-GU
Program Memory Type
FLASH
Program Memory Size
8KB (8K x 8)
Package / Case
24-QSOP
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
17
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 10x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F9x
Core
8051
Data Ram Size
512 B
Interface Type
I2C, SMBus, Enhanced UART, Enhanced SPI
Maximum Clock Frequency
7 KHz
Number Of Programmable I/os
17
Number Of Timers
4
Operating Supply Voltage
2.4 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F996DK
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 10 Channel
On-chip Dac
10 bit, 4 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1953-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F986-GU
Manufacturer:
Silicon
Quantity:
286
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C8051F99x-C8051F98x
5.
The ADC0 on C8051F980/6 and C8051F990/6 devices is 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 oversample and average the ADC results. See Section 5.4
for more details on using the ADC in 12-bit mode. C8051F982 and C8051F988 devices only support the
10-bit mode.
The ADC is fully configurable under software control via Special Function Registers. The ADC0 operates in
Single-ended mode and may be configured to measure various different signals using the analog
multiplexer described in “5.7. ADC0 Analog Multiplexer” on page 81. The voltage reference for the ADC is
selected as described in “5.9. Voltage and Ground Reference Options” on page 86.
64
Autonomous Low Power Burst Mode
SAR ADC with 16-bit Auto-Averaging Accumulator and
ADC0PWR
ADC0TK
AMUX0
From
Burst Mode Logic
AIN+
Figure 5.1. ADC0 Functional Block Diagram
ADC0CF
10/12-Bit
ADC
VDD
SAR
ADC0GTH ADC0GTL
ADC0LTH
Rev. 1.0
ADC0CN
ADC0LTL
Conversion
Start
100
000
001
010
011
32
16-Bit Accumulator
AD0WINT
Compare
W indow
CNVSTR Input
AD0BUSY (W )
Timer 0 Overflow
Timer 2 Overflow
Timer 3 Overflow
Logic
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