C8051F045 查看數據表（PDF） - Silicon Laboratories

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C8051F045

Mixed Signal ISP Flash MCU Family

Silicon Laboratories 

C8051F040/1/2/3/4/5/6/7

3. Global DC Electrical Characteristic

Table 3.1. Global DC Electrical Characteristics

–40 to +85 °C, 25 MHz System Clock unless otherwise specified.

Parameter

Conditions

Min

Typ

Max Units

Analog Supply Voltage1

2.7

3.0

3.6

V

Analog Supply Current

Internal REF, ADC, DAC, Com-

—

1.7

—

mA

parators all active

Analog Supply Current with Internal REF, ADC, DAC, Com-

—

0.2

—

µA

analog sub-systems inactive parators all disabled, oscillator

disabled

Analog-to-Digital Supply

Delta (|VDD - AV+|)

Digital Supply Voltage

Digital Supply Current with

CPU active

(Normal Mode)

VDD = 2.7 V, Clock = 25 MHz

VDD = 2.7 V, Clock = 1 MHz

VDD = 2.7 V, Clock = 32 kHz

Digital Supply Current with VDD = 2.7 V, Clock = 25 MHz

CPU inactive (not accessing VDD = 2.7 V, Clock = 1 MHz

Flash) (Idle Mode)

VDD = 2.7 V, Clock = 32 kHz

Digital Supply Current

(shutdown) (Stop Mode)

Oscillator not running

—

—

0.5

V

2.7

3.0

3.6

V

—

10

—

mA

—

0.5

—

mA

—

20

—

µA

—

5

—

mA

—

0.2

—

mA

—

10

—

µA

—

0.2

—

µA

Digital Supply RAM Data

Retention Voltage

—

1.5

—

V

Specified Operating

Temperature Range

–40

—

+85

°C

SYSCLK (system clock

frequency)2

0

—

25

MHz

Tsysl (SYSCLK low time)

18

—

—

ns

Tsysh (SYSCLK high time)

18

—

—

ns

Notes:

1. Analog Supply AV+ must be greater than 1 V for VDD monitor to operate.

2. SYSCLK must be at least 32 kHz to enable debugging.

36

Rev. 1.5

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