MK30DX64VMB7 datasheet(31/72 Pages) FREESCALE

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6.3.3.2 32kHz oscillator frequency specifications

Table 17. 32kHz oscillator frequency specifications

Symbol

Description

Min.

Typ.

Max.

Unit

Notes

fosc_lo

Oscillator crystal

—

32.768

—

kHz

tstart

Crystal start-up time

—

1000

—

1. Proper PC board layout procedures must be followed to achieve specifications.

6.4 Memories and memory interfaces

6.4.1 Flash electrical specifications

This section describes the electrical characteristics of the flash memory module.

6.4.1.1 Flash timing specifications — program and erase

The following specifications represent the amount of time the internal charge pumps are

active and do not include command overhead.

Table 18. NVM program/erase timing specifications

Symbol

Description

Min.

Typ.

Max.

Unit

Notes

thvpgm4

Longword Program high-voltage time

—

7.5

μs

thversscr

Sector Erase high-voltage time

—

113

thversblk32k Erase Block high-voltage time for 32 KB

—

452

thversblk256k Erase Block high-voltage time for 256 KB

—

104

904

1. Maximum time based on expectations at cycling end-of-life.

6.4.1.2 Flash timing specifications — commands

Table 19. Flash command timing specifications

Symbol

Description

Min.

Typ.

Max.

Unit

Notes

trd1blk32k

trd1blk256k

Read 1s Block execution time

• 32 KB data flash

• 256 KB program flash

—

0.5

1.7

trd1sec1k

Read 1s Section execution time (data flash

sector)

—

μs

trd1sec2k

Read 1s Section execution time (program flash

sector)

—

μs

Table continues on the next page...

Peripheral operating requirements and behaviors

K30 Sub-Family Data Sheet, Rev. 2, 4/2012.

Freescale Semiconductor, Inc.

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