STS1TX datasheet(14/70 Pages) STMICROELECTRONICS

14 / 70 page

Characteristics

STS1TX

14/70

DocID025109 Rev 1

6.2.2

Digital SPI

Table 10. Power consumption

Symbol

Parameter

Test conditions

SMPS ON SMPS OFF

Unit

IBAT

Supply current

TX (1)(2) +16 dBm 169 MHz

1. See table Table 18.

2. TX boost mode configuration VBAT = 3.6 V.

TX (1)(2) +16 dBm 315 MHz

TX (1)(2) +16 dBm 433 MHz

49.3

TX (1)(2) +15.5 dBm 868 MHz

TX (1)(2) +16 dBm 920 MHz

45.2

TX (1) +11 dBm 169 MHz

TX (1) +11 dBm 315 MHz

TX (1) +11 dBm 433 MHz

19.5

TX (1) +11 dBm 868 MHz

TX (1) +11 dBm 920 MHz

TX (1) -8 dBm 169 MHz

TX (1) -8 dBm 315 MHz

6.5

TX (1) -7 dBm 433 MHz

TX (1) -7 dBm 868 MHz

Table 11. Digital SPI input and output (SDO, SDI, SCLK, CSn, and SDN) and GPIO

specification (GPIO_1-4)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

fclk

Clock frequency

MHz

CIN

Port I/O capacitance

1.4

TRISE

Rise time

0.1*VDD to 0.9*VDD,

CL=20 pF (low output

current programming)

6.0

0.1*VDD to 0.9*VDD,

CL=20 pF (high output

current programming)

2.5

TFALL

Fall time

0.1*VDD to 0.9*VDD,

CL=20 pF (low output

current programming)

7.0

0.1*VDD to 0.9*VDD,

CL=20 pF (high output

current programming)

2.5

VIH

Logic high level input

voltage

VDD/2

+0.3

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