EFM32GG11 datasheet(72/261 Pages) SILABS

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4.1.24 USART SPI

SPI Master Timing

Table 4.34. SPI Master Timing

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

SCLK period 1 3 2

tSCLK

All USARTs except USART2

2 *

tHFPERCLK

—

USART2

2 *

tHFPERBCLK

—

CS to MOSI 1 3

tCS_MO

USART2, location 4, IOVDD = 1.8

-3.2

—

6.8

USART2, location 4, IOVDD = 3.0

-2.3

—

6.0

USART2, location 5, IOVDD = 1.8

-8.1

—

6.3

USART2, location 5, IOVDD = 3.0

-7.3

—

4.4

All other USARTs and locations,

IOVDD = 1.8 V

-15

—

All other USARTs and locations,

IOVDD = 3.0 V

-13

—

SCLK to MOSI 1 3

tSCLK_MO

USART2, location 4, IOVDD = 1.8

-0.3

—

9.2

USART2, location 4, IOVDD = 3.0

-0.3

—

8.6

USART2, location 5, IOVDD = 1.8

-3.6

—

5.0

USART2, location 5, IOVDD = 3.0

-3.4

—

3.2

All other USARTs and locations,

IOVDD = 1.8 V

-10

—

All other USARTs and locations,

IOVDD = 3.0 V

-9

—

MISO setup time 1 3

tSU_MI

USART2, location 4, IOVDD = 1.8

39.7

—

USART2, location 4, IOVDD = 3.0

22.4

—

USART2, location 5, IOVDD = 1.8

49.2

—

USART2, location 5, IOVDD = 3.0

30.0

—

All other USARTs and locations,

IOVDD = 1.8 V

—

All other USARTs and locations,

IOVDD = 3.0 V

—

EFM32GG11 Family Data Sheet

Electrical Specifications

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