MM912F634CV2AP datasheet(8/335 Pages) FREESCALE

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Pin Assignment

MM912F634 Pin Description

MM912F634

Freescale Semiconductor

High Voltage Input 0

This pins is the High Voltage Input 0 with the following shared functions:

• L0 - Digital High Voltage Input 0. When used as digital input, a series resistor

(RLx) must be used to protect against automotive transients.(4)

• AD3 - Analog Input 3 with selectable divider for 0…5.0 V and 0…18 V

measurement range.

• WU0 - Selectable Wake-up input 0 for wake up and cyclic sense during low

power mode.

See Section 4.16, “High Voltage Inputs - Lx"

High Voltage Input 1

This pins is the High Voltage Input 1 with the following shared functions:

• L1 - Digital High Voltage Input 1. When used as digital input, a series resistor

(RLx) must be used to protect against automotive transients.(4)

• AD4 - Analog Input 4 with selectable divider for 0…5.0 V and 0…18 V

measurement range.

• WU1 - Selectable Wake-up input 1 for wake-up and cyclic sense during low

power mode.

See Section 4.16, “High Voltage Inputs - Lx"

High Voltage Input 2

This pins is the High Voltage Input 2 with the following shared functions:

• L2 - Digital High Voltage Input 2. When used as digital input, a series resistor

(RLx) must be used to protect against automotive transients.(4)

• AD5 - Analog Input 5 with selectable divider for 0…5.0 V and 0…18 V

measurement range.

• WU2 - Selectable Wake-up input 2 for wake-up and cyclic sense during low

power mode.

See Section 4.16, “High Voltage Inputs - Lx".

High Voltage Input 3

This pins is the High Voltage Input 3 with the following shared functions:

• L3 - Digital High Voltage Input 3. When used as digital input, a series resistor

(RLx) must be used to protect against automotive transients.(4)

• AD6 - Analog Input 6 with selectable divider for 0…5.0 V and 0…18 V

measurement range.

• WU3 - Selectable Wake-up input 3 for wake-up and cyclic sense during low

power mode.

See Section 4.16, “High Voltage Inputs - Lx".

High Voltage Input 4

This pins is the High Voltage Input 4 with the following shared functions:

• L4 - Digital High Voltage Input 4. When used as digital input, a series resistor

(RLx) must be used to protect against automotive transients.(4)

• AD7 - Analog Input 7 with selectable divider for 0…5.0 V and 0…18 V

measurement range.

• WU4 - Selectable Wake-up input 4 for wake-up and cyclic sense during low

power mode.

See Section 4.16, “High Voltage Inputs - Lx". Note: This pin function is not available

on all device configurations.

High Voltage Input 5

This pins is the High Voltage Input 5 with the following shared functions:

• L5 - Digital High Voltage Input 5. When used as digital input, a series resistor

(RLx) must be used to protect against automotive transients.(4)

• AD8 - Analog Input 8 with selectable divider for 0…5.0 V and 0…18 V

measurement range.

• WU5 - Selectable Wake-up input 5 for wake-up and cyclic sense during low

power mode.

See Section 4.16, “High Voltage Inputs - Lx". Note: This pin function is not available

on all device configurations.

LS1

Low Side Output 1

Low Side output 1 used to drive small inductive loads like relays. The output is

short-circuit protected, includes active clamp circuitry and can be also controlled by

the PWM module.

See Section 4.12, “Low Side Drivers - LSx"

PGND

Power Ground Pin

This pin is the device Low Side Ground connection. DGND, LGND and AGND are

internally connected to PGND via a back to back diode.

Table 3. MM912F634 Pin Description (continued)

Pin #

Pin Name

Formal Name

Description

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