C8051F544-IM Silicon Laboratories Inc, C8051F544-IM Datasheet - Page 53

• Manufacturer Part Number: C8051F544-IM
• Description: IC 8051 MCU 8K FLASH 32-QFN
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F54xr

Specifications of C8051F544-IM

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 32-QFN
• Mfg Application Notes: LIN Bootloader AppNote
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 50MHz
• Connectivity: SMBus (2-Wire/I²C), LIN, SPI, UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 25
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.25 V
• Data Converters: A/D 25x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Processor Series: C8051F5x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 25
• Operating Supply Voltage: 1.8 V to 5.25 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F540DK
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1672 - BOARD PROTOTYPE W/C8051F540336-1669 - KIT DEVELOPMENT FOR C8051F540
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1677-5

Table 6.6. Internal High-Frequency Oscillator Electrical Characteristics
V
Oscillator Frequency
Oscillator Supply Current 
(from V
Internal Oscillator Suspend
OSCICN[7:6] = 00b
ZTCEN = 1
Wake-up Time From Suspend OSCICN[7:6] = 00b
Power Supply Sensitivity
Temperature Sensitivity
DD
1. VREGMIN is the minimum output of the voltage regulator for its low setting (REG0CN: REG0MD = 0b). See
2. This is the average frequency across the operating temperature range
3. Use temperature coefficients
= 1.8 to 2.75 V, –40 to +125 °C unless otherwise specified; Using factory-calibrated settings.
Table 6.8, “Voltage Regulator Electrical Characteristics,” on page 54.
following equation:
where f0 is the internal oscillator frequency at 25 °C and T0 is 25 °C.
DD
Parameter
)
3
f(T) = f0 x (1 + TC
IFCN = 111b;
VDD > VREGMIN
IFCN = 111b;
VDD < VREGMIN
Internal Oscillator On
OSCICN[7:6] = 11b
Temp = 25 °C
Temp = 85 °C
Temp = 125 °C
Constant Temperature
Constant Supply
TC
TC
TC
1
2
1
and
Conditions
TC
2
to calculate the new internal oscillator frequency using the
1
x (T - T0) + TC
Rev. 1.1
1
1
24
24
2
Min
–
–
x (T - T0)
—
—
—
—
—
—
0.5%
1.0%
–0.65
2
0.11
Typ
24
24
880
130
5.0
67
90
)
1
2
2
C8051F54x
24 + 0.5%
24 + 1.0%
1300
Max
—
—
—
—
—
ppm/°C
ppm/°C
Units
MHz
%/V
µA
µs
2
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