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TMF8801

Functional Description

Datasheet

• PUBLIC

DS000648

• v10-00 • 2022-Dec-20

│ 14

Figure 12:

ARM M0 Parameters

Parameter

Min

Nom

Max

Units

Comment

µP Operating Frequency

5.37

MHz

The CPU can operate

with the RC oscillator

directly or with a 16x

PLL; frequency tuning

adjusts the default

frequency to 4.7 MHz

RAM

ROM

Max PLL Frequency

172

MHz

for 5.37 MHz RC clock

7.3

I/O

Figure 13:

Typical I/O Level Specification

Symbol

Parameter

Condition

Min

Typ

Max

Units

ILEAK

SDA, SCL, GPIO0/1,

EN, INT

-5

µA

VIH(1)

SDA, SCL, GPIO0/1,

1.26

VIL_I2C(1)

SDA, SCL

2.7 V<VDD<2.9 V,

<400 kHz I²C speed

0.3

VDD >2.9 V,

<400 kHz I²C speed

0.54

2.8 V<VDD<3.0 V,

<1 MHz I²C speed

0.3

VDD>3.0 V,

<1 MHz I²C speed

0.54

VIL

GPIO0/1, EN

0.54

VOL

SDA, GPIO0/1, INT

2 mA sink

0.36

4 mA sink

0.6

IDRIVE_H

GPIO0/1

1 V applied on GPIO

3.6

IDRIVE_L

GPIO0/1

1 V applied on GPIO

3.9

(1)

The input high level VIH and low level VIL is defined to support a pull-up supply of 1.8 V ±5 %.

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