13892 datasheet(13/158 Pages) FREESCALE

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ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

Analog Integrated Circuit Device Data



Freescale Semiconductor

MC13892

I/O CHARACTERISTICS (CONTINUED) (19)

VSRTC, Voltage Output

1.1

–

1.3

DVS1, DVS2, Weak Pull-down (20)

Input Low

Input High

0.0

0.7* SPIVCC

–

0.3* SPIVCC

3.1

GPO1, CMOS

Output Low, -400

A

Output High, 400

A

To VCORE

0.0

VCORE- 0.2

200

–

0.2

VCORE

500

Ohm

GPO2, GPO3, GPO4, CMOS

Output Low, -100

A

Output High, 100

A

0.0

VIOHI - 0.2

–

0.2

VIOHI

GPO4, Analog Input

0.0

–

VCORE+0.3

CS, CLK, MOSI, VBUSEN, Weak Pull-down on CS and VBUSEN (20)

Input Low

Input High

0.0

0.7* SPIVCC

–

0.3* SPIVCC

SPIVCC+0.3

CS, MOSI (at Booting for SPI / I2C decoding), Weak Pull-down on CS (21)

Input Low

Input High

0.0

0.7 * VCORE

–

0.3 * VCORE

VCORE

MISO, INT, CMOS (22)

Output Low, -100

A

Output High, 100

A

0.0

SPIVCC -0.2

–

0.2

SPIVCC

PUMS1, PUMS2 (22)

PUMSxS = 00

PUMSxS = 01, Load < 10 pF

PUMSxS = 10

PUMSxS = 11

0.0

Open

1.3

2.5

–

0.3

Open

2.0

3.1

MODE (23)

Input Low

Input Med

Input High

0.0

1.1

VCORE

–

0.4

1.7

9.0

Notes

19.

SPIVCC is typically connected to the output of buck regulator: SW4 and set to 1.800 V

20.

A weak pull-down represents a nominal internal pull down of 100 nA unless otherwise noted

21.

The weak pull-down on CS is disabled if a VIH is detected at startup to avoid extra consumption in I2C mode

22.

The output drive strength is programmable

23.

Input state is latched in first phase of cold start, refer to Power Control System for description of PUMS configuration

24.

Input state is not latched

Table 5. Static Electrical Characteristics (continued)

Characteristics noted under conditions -40

C  TA  85 C, GND = 0 V unless otherwise noted. Typical values noted reflect

the approximate parameter means at TA = 25 °C under nominal conditions, unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

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