C8051F502-IMR Silicon Laboratories Inc, C8051F502-IMR Datasheet - Page 16
C8051F502-IMR
Manufacturer Part Number
C8051F502-IMR
Description
MCU 8-Bit C8051F50x 8051 CISC 64KB Flash 2.5V/3.3V/5V 32-Pin QFN EP T/R
Manufacturer
Silicon Laboratories Inc
Datasheet
1.C8051F502-IM.pdf
(312 pages)
Specifications of C8051F502-IMR
Package
32QFN EP
Device Core
8051
Family Name
C8051F50x
Maximum Speed
50 MHz
Ram Size
4.25 KB
Program Memory Size
64 KB
Operating Supply Voltage
2.5|3.3|5 V
Data Bus Width
8 Bit
Program Memory Type
Flash
Number Of Programmable I/os
25
Interface Type
I2C/SPI/UART
On-chip Adc
32-chx12-bit
Operating Temperature
-40 to 125 °C
Number Of Timers
4
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C8051F50x/F51x
1. System Overview
C8051F50x/F51x devices are fully integrated mixed-signal System-on-a-Chip MCUs. Highlighted features
are listed below. Refer to Table 2.1 for specific product feature selection and part ordering numbers.
With on-chip Voltage Regulator, Power-On Reset, V
C8051F50x/F51x devices are truly stand-alone System-on-a-Chip solutions. The Flash memory can be
reprogrammed even in-circuit, providing non-volatile data storage, and also allowing field upgrades of the
8051 firmware. User software has complete control of all peripherals, and may individually shut down any
or all peripherals for power savings.
The on-chip Silicon Labs 2-Wire (C2) Development Interface allows non-intrusive (uses no on-chip
resources), full speed, in-circuit debugging using the production MCU installed in the final application. This
debug logic supports inspection and modification of memory and registers, setting breakpoints, single
stepping, run and halt commands. All analog and digital peripherals are fully functional while debugging
using C2. The two C2 interface pins can be shared with user functions, allowing in-system debugging with-
out occupying package pins.
The devices are specified for 1.8 V to 5.25 V operation over the automotive temperature range (–40 to
+125 °C). The Port I/O and RST pins can interface to 5 V logic by setting the VIO pin to 5 V. The
C8051F500/1/4/5 devices are available in 48-pin QFP and QFN packages, the C8051F508/9-F510/1 are
available in 40-pin QFN packages, and the C8051F502/3/6/7 devices are available in 32-pin QFP and
QFN packages. All package options are lead-free and RoHS compliant. See Table 2.1 for ordering infor-
mation. Block diagrams are included in Figure 1.1, Figure 1.2, and Figure 1.3.
16
High-speed pipelined 8051-compatible microcontroller core (up to 50 MIPS)
In-system, full-speed, non-intrusive debug interface (on-chip)
Controller Area Network (CAN 2.0B) Controller with 32 message objects, each with its own indentifier
mask (C8051F500/2/4/6/8-F510)
LIN 2.1 peripheral (fully backwards compatible, master and slave modes) (C8051F500/2/4/6/8-F510)
True 12-bit 200 ksps 32-channel single-ended ADC with analog multiplexer
Precision programmable 24 MHz internal oscillator that is within ±0.5% across the temperature range
and for VDD voltages greater than or equal to the on-chip voltage regulator minimum output at the low
setting. The oscillator is within +1.0% for VDD voltages below this minimum output setting.
On-chip Clock Multiplier to reach up to 50 MHz
64 kB (C8051F500/1/2/3/8/9) or 32 kB (C8051F504/5/6/7-F510/1) of on-chip Flash memory
4352 bytes of on-chip RAM
SMBus/I2C, Enhanced UART, and Enhanced SPI serial interfaces implemented in hardware
Four general-purpose 16-bit timers
External Data Memory Interface (C8051F500/1/4/5 and C8051F508/9-F510/1) with 64 kB address
space
Programmable Counter/Timer Array (PCA) with six capture/compare modules and Watchdog Timer
function
On-chip Voltage Regulator
On-chip Power-On Reset, V
On-chip Voltage Comparator
40, 33, or 25 Port I/O (5 V push-pull)
DD
Monitor, and Temperature Sensor
Rev. 1.2
DD
monitor, Watchdog Timer, and clock oscillator, the
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