C8051F011-GQR Silicon Laboratories Inc, C8051F011-GQR Datasheet - Page 146
![IC 8051 MCU 32K FLASH 48TQFP](/photos/12/19/121960/c8051f011-gq_sml.jpg)
C8051F011-GQR
Manufacturer Part Number
C8051F011-GQR
Description
IC 8051 MCU 32K FLASH 48TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F01xr
Specifications of C8051F011-GQR
Core Processor
8051
Core Size
8-Bit
Speed
20MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
16
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-TQFP, 48-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F011-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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19.2.
Timer 2 is a 16-bit counter/timer formed by the two 8-bit SFRs: TL2 (low byte) and TH2 (high byte). As with
Timers 0 and 1, Timer 2 can use either the system clock or transitions on an external input pin as its clock source.
The Counter/Timer Select bit C/T2 bit (T2CON.1) selects the clock source for Timer 2. Clearing C/T2 selects the
system clock as the input for the timer (divided by either one or twelve as specified by the Timer Clock Select bit
T2M in CKCON). When C/T2 is set to 1, high-to-low transitions at the T2 input pin increment the counter/timer
register. (Refer to Section 14 for information on selecting and configuring external I/O pins.) Timer 2 can also be
used to start an ADC Data Conversion.
Timer 2 offers capabilities not found in Timer 0 and Timer 1.
Counter/Timer with Capture, 16-bit Counter/Timer with Auto-Reload or Baud Rate Generator Mode. Timer 2’s
operating mode is selected by setting configuration bits in the Timer 2 Control (T2CON) register. Below is a
summary of the Timer 2 operating modes and the T2CON bits used to configure the counter/timer. Detailed
descriptions of each mode follow.
Timer 2
RCLK
X
0
0
0
1
1
TCLK
X
0
0
1
0
1
CP/RL2
X
X
X
X
1
0
TR2
1
1
1
1
1
0
Rev. 1.7
Mode
16-bit Counter/Timer with Capture
16-bit Counter/Timer with Auto-Reload
Baud Rate Generator for TX
Baud Rate Generator for RX
Baud Rate Generator for TX and RX
Off
It operates in one of three modes: 16-bit
C8051F000/1/2/5/6/7
C8051F010/1/2/5/6/7
146
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