C8051F902-GU Silicon Laboratories Inc, C8051F902-GU Datasheet - Page 6
![IC MCU 8BIT 8KB FLASH 24QSOP](/photos/12/15/121586/c8051f9xx_24-qsop_sml.jpg)
C8051F902-GU
Manufacturer Part Number
C8051F902-GU
Description
IC MCU 8BIT 8KB FLASH 24QSOP
Manufacturer
Silicon Laboratories Inc
Series
C8051F9xxr
Specifications of C8051F902-GU
Program Memory Type
FLASH
Program Memory Size
8KB (8K x 8)
Package / Case
24-QSOP
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
16
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
0.9 V ~ 3.6 V
Data Converters
A/D 15x10/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F9x
Core
8051
Data Ram Size
768 B
Interface Type
UART
Maximum Clock Frequency
25 MHz
Number Of Timers
4
Operating Supply Voltage
0.9 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F912DK
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit
Package
24QSOP
Device Core
8051
Family Name
C8051F90x
Maximum Speed
25 MHz
Data Bus Width
8 Bit
Number Of Programmable I/os
16
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1849-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F902-GU
Manufacturer:
SEMIKRON
Quantity:
45
Company:
Part Number:
C8051F902-GU
Manufacturer:
Silicon Laboratories Inc
Quantity:
135
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C8051F91x-C8051F90x
20. SmaRTClock (Real Time Clock) .......................................................................... 188
21. Port Input/Output.................................................................................................. 205
22. SMBus ................................................................................................................... 225
6
19.2.Low Power Internal Oscillator......................................................................... 180
19.3.External Oscillator Drive Circuit...................................................................... 180
19.4.Special Function Registers for Selecting and Configuring the System Clock 185
20.1.SmaRTClock Interface ................................................................................... 189
20.2.SmaRTClock Clocking Sources ..................................................................... 194
20.3.SmaRTClock Timer and Alarm Function ........................................................ 199
21.1.Port I/O Modes of Operation........................................................................... 206
21.2.Assigning Port I/O Pins to Analog and Digital Functions................................ 207
21.3.Priority Crossbar Decoder .............................................................................. 209
21.4.Port Match ...................................................................................................... 215
21.5.Special Function Registers for Accessing and Configuring Port I/O .............. 217
22.1.Supporting Documents ................................................................................... 226
22.2.SMBus Configuration...................................................................................... 226
19.3.1.External Crystal Mode............................................................................ 180
19.3.2.External RC Mode.................................................................................. 182
19.3.3.External Capacitor Mode........................................................................ 183
19.3.4.External CMOS Clock Mode .................................................................. 184
20.1.1.SmaRTClock Lock and Key Functions................................................... 189
20.1.2.Using RTC0ADR and RTC0DAT to Access SmaRTClock
20.1.3.RTC0ADR Short Strobe Feature............................................................ 190
20.1.4.SmaRTClock Interface Autoread Feature .............................................. 190
20.1.5.RTC0ADR Autoincrement Feature......................................................... 191
20.2.1.Using the SmaRTClock Oscillator with a Crystal or
20.2.2.Using the SmaRTClock Oscillator in Self-Oscillate Mode...................... 195
20.2.3.Using the Low Frequency Oscillator (LFO) ............................................ 195
20.2.4.Programmable Load Capacitance.......................................................... 196
20.2.5.Automatic Gain Control (Crystal Mode Only) and
20.2.6.Missing SmaRTClock Detector .............................................................. 199
20.2.7.SmaRTClock Oscillator Crystal Valid Detector ...................................... 199
20.3.1.Setting and Reading the SmaRTClock Timer Value .............................. 199
20.3.2.Setting a SmaRTClock Alarm ................................................................ 200
20.3.3.Software Considerations for using the SmaRTClock Timer and Alarm . 200
21.1.1.Port Pins Configured for Analog I/O....................................................... 206
21.1.2.Port Pins Configured For Digital I/O....................................................... 206
21.1.3.Interfacing Port I/O to 5 V and 3.3 V Logic............................................. 207
21.1.4.Increasing Port I/O Drive Strength ......................................................... 207
21.2.1.Assigning Port I/O Pins to Analog Functions ......................................... 207
21.2.2.Assigning Port I/O Pins to Digital Functions........................................... 208
21.2.3.Assigning Port I/O Pins to External Digital Event Capture Functions .... 208
Internal Registers ................................................................................... 190
External CMOS Clock ............................................................................ 194
SmaRTClock Bias Doubling ................................................................... 197
Rev. 1.0
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