C8051F502-IQ Silicon Laboratories Inc, C8051F502-IQ Datasheet - Page 265
C8051F502-IQ
Manufacturer Part Number
C8051F502-IQ
Description
IC 8051 MCU 64K FLASH 32-QFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F50xr
Datasheets
1.C8051F507-IM.pdf
(312 pages)
2.C8051F502-IM.pdf
(1 pages)
3.C8051F503-IM.pdf
(312 pages)
Specifications of C8051F502-IQ
Program Memory Type
FLASH
Program Memory Size
64KB (64K x 8)
Package / Case
32-QFP
Mfg Application Notes
LIN Bootloader AppNote
Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
SMBus (2-Wire/I²C), CAN, LIN, SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
25
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.25 V
Data Converters
A/D 25x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Processor Series
C8051F5x
Core
8051
Data Bus Width
8 bit
Data Ram Size
4.25 KB
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F500DK
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 32 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1559 - KIT REF DESIGN CAN DIAGNOSTIC336-1532 - ADAPTER PROG TOOLSTICK F502336-1531 - PLATFORM PROG TOOLSTCK F502336-1528 - DAUGHTER CARD TOOLSTICK F500336-1527 - KIT DEV FOR C8051F50X
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1514
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F502-IQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F502-IQR
Manufacturer:
RUBYCON
Quantity:
20 000
Company:
Part Number:
C8051F502-IQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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- Download datasheet (3Mb)
26. Timers
Each MCU includes four counter/timers: two are 16-bit counter/timers compatible with those found in the
standard 8051, and two are 16-bit auto-reload timer for use with the ADC, SMBus, or for general purpose
use. These timers can be used to measure time intervals, count external events and generate periodic
interrupt requests. Timer 0 and Timer 1 are nearly identical and have four primary modes of operation.
Timer 2 and Timer 3 offer 16-bit and split 8-bit timer functionality with auto-reload.
Timers 0 and 1 may be clocked by one of five sources, determined by the Timer Mode Select bits (T1M –
T0M) and the Clock Scale bits (SCA1 – SCA0). The Clock Scale bits define a pre-scaled clock from which
Timer 0 and/or Timer 1 may be clocked (See SFR Definition 26.1 for pre-scaled clock selection).Timer 0/1
may then be configured to use this pre-scaled clock signal or the system clock.
Timer 2 and Timer 3 may be clocked by the system clock, the system clock divided by 12, or the external
oscillator clock source divided by 8.
Timer 0 and Timer 1 may also be operated as counters. When functioning as a counter, a counter/timer
register is incremented on each high-to-low transition at the selected input pin (T0 or T1). Events with a fre-
quency of up to one-fourth the system clock frequency can be counted. The input signal need not be peri-
odic, but it should be held at a given level for at least two full system clock cycles to ensure the level is
properly sampled.
13-bit counter/timer
16-bit counter/timer
8-bit counter/timer with
auto-reload
Two 8-bit counter/timers (Timer 0
only)
Timer 0 and Timer 1 Modes
16-bit timer with auto-reload
Two 8-bit timers with auto-reload
Timer 2 Modes
Rev. 1.2
C8051F50x/F51x
16-bit timer with auto-reload
Two 8-bit timers with auto-reload
Timer 3 Modes
265
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