STM32F103CBT7TR datasheet(56/116 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F103x8, STM32F103xB

56/116

DS5319 Rev 18

5.3.8

PLL characteristics

The parameters given in Table 27 are derived from tests performed under ambient

temperature and VDD supply voltage conditions summarized in Table 9.

5.3.9

Memory characteristics

Flash memory

The characteristics are given at TA = –40 to 105 °C unless otherwise specified.

Table 26. Low-power mode wakeup timings

Symbol

Parameter

Typ

Unit

tWUSLEEP(1)

1. The wakeup times are measured from the wakeup event to the point in which the user application code

reads the first instruction.

Wakeup from Sleep mode

1.8

µs

tWUSTOP(1)

Wakeup from Stop mode (regulator in run mode)

3.6

Wakeup from Stop mode (regulator in low-power mode)

5.4

tWUSTDBY(1)

Wakeup from Standby mode

Table 27. PLL characteristics

Symbol

Parameter

Value

Unit

Min(1)

1. Evaluated by characterization, not tested in production, unless otherwise specified.

Typ

Max(1)

fPLL_IN

PLL input clock(2)

2. Take care of using the appropriate multiplier factors so as to have PLL input clock values compatible with

the range defined by fPLL_OUT.

18.0

MHz

PLL input clock duty cycle

fPLL_OUT

PLL multiplier output clock

MHz

tLOCK

PLL lock time

200

µs

Jitter

Cycle-to-cycle jitter

300

Table 28. Flash memory characteristics

Symbol

Parameter

Conditions

Min(1)

Typ

Max(1)

Unit

tprog

16-bit programming time TA–40 to +105 °C

52.5

µs

tERASE Page (1 KB) erase time

TA –40 to +105 °C

tME

Mass erase time

TA –40 to +105 °C

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