C8051F336-GMR Silicon Laboratories Inc, C8051F336-GMR Datasheet - Page 114
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C8051F336-GMR
Manufacturer Part Number
C8051F336-GMR
Description
Microcontrollers (MCU) 16KB 10ADC 10DAC 768Ram MCU Lead Free
Manufacturer
Silicon Laboratories Inc
Datasheet
1.C8051F336-GM.pdf
(226 pages)
Specifications of C8051F336-GMR
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
16 KB
Data Ram Size
768 B
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
17
Number Of Timers
4
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
QFN-20
3rd Party Development Tools
KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F336DK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
On-chip Dac
10 bit
Package
20QFN
Device Core
8051
Family Name
C8051F336
Maximum Speed
25 MHz
Ram Size
768 Byte
Operating Temperature
-40 to 85 °C
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F336-GMR
Manufacturer:
SILICON
Quantity:
100
Part Number:
C8051F336-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
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C8051F336/7/8/9
19.4. External Oscillator Drive Circuit
The external oscillator circuit may drive an external crystal, ceramic resonator, capacitor, or RC network. A
CMOS clock may also provide a clock input. For a crystal or ceramic resonator configuration, the crys-
tal/resonator must be wired across the XTAL1 and XTAL2 pins as shown in Option 1 of Figure 19.1. A
10 MΩ resistor also must be wired across the XTAL2 and XTAL1 pins for the crystal/resonator configura-
tion. In RC, capacitor, or CMOS clock configuration, the clock source should be wired to the XTAL2 pin as
shown in Option 2, 3, or 4 of Figure 19.1. The type of external oscillator must be selected in the OSCXCN
register, and the frequency control bits (XFCN) must be selected appropriately (see SFR Definition 19.5).
Important Note on External Oscillator Usage: Port pins must be configured when using the external
oscillator circuit. When the external oscillator drive circuit is enabled in crystal/resonator mode, Port pins
P0.2 and P0.3 are used as XTAL1 and XTAL2 respectively. When the external oscillator drive circuit is
enabled in capacitor, RC, or CMOS clock mode, Port pin P0.3 is used as XTAL2. The Port I/O Crossbar
should be configured to skip the Port pins used by the oscillator circuit; see
Section “20.3. Priority Cross-
bar Decoder” on page 124
for Crossbar configuration. Additionally, when using the external oscillator cir-
cuit in crystal/resonator, capacitor, or RC mode, the associated Port pins should be configured as analog
inputs. In CMOS clock mode, the associated pin should be configured as a digital input. See
Section
“20.4. Port I/O Initialization” on page 126
for details on Port input mode selection.
114
Rev.1.0
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