C8051F502-IMR Silicon Laboratories Inc, C8051F502-IMR Datasheet - Page 311
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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Revision 1.1 to Revision 1.2
Updated “1. System Overview” with a voltage range specification for the internal oscillator.
Updated Table 5.6 on page 47 with new conditions for the internal oscillator accuracy. The internal
oscillator accuracy is dependent on the operating voltage range.
Updated “5. Electrical Characteristics” to remove the internal oscillator curve across temperature
diagram.
Updated SFR Definition 10.1 (REG0CN) with a new definition for Bit 6. The bit 6 reset value is 1b and
must be written to 1b.
Updated “21. Local Interconnect Network (LIN)” with a voltage range specification for the internal
oscillator.
Updated “22. Controller Area Network (CAN0)” with a voltage range specification for the internal
oscillator.
Updated SFR Definition 8.1 (REF0CN) with oscillator suspend requirement for ZTCEN.
Updated "16.3 Suspend Mode" with note regarding ZTCEN.
Updated Figure 6.4 with new timing diagram when using CNVSTR pin.
Added Port 2 Event and Port 3 Events to wake-up sources in Section 19.2.1.
Updated LIN Register Definitions 21.9 and 21.10 with correct reset values.
Updated C2 Register Definitions 28.2 and 28.3 with correct C2 and SFR addresses.
Rev. 1.2
C8051F50x/F51x
311
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