C8051F902-GU Silicon Laboratories Inc, C8051F902-GU Datasheet - Page 187
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
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Manufacturer
Quantity
Price
Company:
Part Number:
C8051F902-GU
Manufacturer:
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Quantity:
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Company:
Part Number:
C8051F902-GU
Manufacturer:
Silicon Laboratories Inc
Quantity:
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SFR Definition 19.4. OSCXCN: External Oscillator Control
SFR Page = 0x0; SFR Address = 0xB1
Name XCLKVLD
Reset
Type
6:4
2:0
Bit
Bit
7
3
XCLKVLD External Oscillator Valid Flag.
XOSCMD External Oscillator Mode Bits.
Reserved Reserved.
XFCN
Name
R
7
0
Provides External Oscillator status and is valid at all times for all modes of operation
except External CMOS Clock Mode and External CMOS Clock Mode with divide by
2. In these modes, XCLKVLD always returns 0.
0: External Oscillator is unused or not yet stable.
1: External Oscillator is running and stable.
Configures the external oscillator circuit to the selected mode.
00x: External Oscillator circuit disabled.
010: External CMOS Clock Mode.
011: External CMOS Clock Mode with divide by 2 stage.
100: RC Oscillator Mode.
101: Capacitor Oscillator Mode.
110: Crystal Oscillator Mode.
111: Crystal Oscillator Mode with divide by 2 stage.
Read = 0b. Must Write 0b.
External Oscillator Frequency Control Bits.
Controls the external oscillator bias current.
000-111: See Table 19.1 on page 181 (Crystal Mode) or Table 19.2 on page 182 (RC
or C Mode) for recommended settings.
R
6
0
XOSCMD[2:0]
R/W
5
0
R/W
Rev. 1.0
4
0
C8051F91x-C8051F90x
Reserved
Function
R/W
3
0
R/W
2
0
XFCN[2:0]
R/W
1
0
R/W
0
0
187
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