C8051F85X86X Datasheet, PDF (2/290 Pages) Silicon Laboratories – Low-Cost 8-bit MCU Family with up to 8 kB of Flash

C8051F85x/86x
Table of Contents
1. Electrical Specifications......................................................................................................7
1.1. Electrical Characteristics ................................................................................................7
1.2. Typical Power Curves .................................................................................................. 17
1.2.1. Operating Supply Current .................................................................................... 17
1.2.2. ADC Supply Current ............................................................................................ 18
1.3. Thermal Conditions ...................................................................................................... 19
1.4. Absolute Maximum Ratings..........................................................................................19
2. System Overview ...............................................................................................................20
2.1. Power ........................................................................................................................... 22
2.1.1. LDO .................................................................................................................. 22
2.1.2. Voltage Supply Monitor (VMON0) ....................................................................... 22
2.1.3. Device Power Modes........................................................................................... 22
2.2. I/O................................................................................................................................. 23
2.2.1. General Features.................................................................................................23
2.2.2. Crossbar .............................................................................................................. 23
2.3. Clocking........................................................................................................................ 24
2.4. Counters/Timers and PWM ..........................................................................................24
2.4.1. Programmable Counter Array (PCA0) ................................................................. 24
2.4.2. Timers (Timer 0, Timer 1, Timer 2 and Timer 3).................................................. 24
2.4.3. Watchdog Timer (WDT0)..................................................................................... 24
2.5. Communications and other Digital Peripherals ............................................................ 25
2.5.1. Universal Asynchronous Receiver/Transmitter (UART0) .................................... 25
2.5.2. Serial Peripheral Interface (SPI0) ........................................................................ 25
2.5.3. System Management Bus / I2C (SMBus0) .......................................................... 25
2.5.4. 16/32-bit CRC (CRC0)......................................................................................... 25
2.6. Analog Peripherals ....................................................................................................... 26
2.6.1. 12-Bit Analog-to-Digital Converter (ADC0) .......................................................... 26
2.6.2. Low Current Comparators (CMP0, CMP1) .......................................................... 26
2.7. Reset Sources..............................................................................................................27
2.8. On-Chip Debugging...................................................................................................... 27
3. Pin Definitions.................................................................................................................... 28
3.1. C8051F850/1/2/3/4/5 QSOP24 Pin Definitions ............................................................ 28
3.2. C8051F850/1/2/3/4/5 QFN20 Pin Definitions ............................................................... 31
3.3. C8051F860/1/2/3/4/5 SOIC16 Pin Definitions..............................................................34
4. Ordering Information .........................................................................................................37
5. QSOP-24 Package Specifications .................................................................................... 39
6. QFN-20 Package Specifications ....................................................................................... 41
7. SOIC-16 Package Specifications ...................................................................................... 44
8. Memory Organization ........................................................................................................46
8.1. Program Memory.......................................................................................................... 47
8.1.1. MOVX Instruction and Program Memory............................................................. 47
8.2. Data Memory................................................................................................................ 47
8.2.1. Internal RAM........................................................................................................47
8.2.2. External RAM....................................................................................................... 48
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Preliminary Rev 0.6