MM912F634CV2AP datasheet(85/335 Pages) FREESCALE

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Functional Description and Application Information

Low Side Drivers - LSx

MM912F634

Freescale Semiconductor

4.12.3.2.2

Low Side Status Register (LSSR)

4.12.3.2.3

Low Side Control Enable Register (LSCEN)

Table 105. Low Side Status Register (LSSR)

Offset(77) 0x31

Access: User read

543

210

LSOTC

LS2CL

LS1CL

LS2OL

LS1OL

Reset

000

Note:

77. Offset related to 0x0200 for blocking access and 0x300 for non blocking access within the global address space.

Table 106. LSSR - Register Field Descriptions

Field

Description

7 - LSOTC

Low Side Over-temperature condition present. Both drivers are turned off. Reading the register will clear the LSOT interrupt

flag if present. See Section 4.6, “Interrupts" for details.

3 - LS2CL

Low Side 2 Current Limitation

2 - LS1CL

Low Side 1 Current Limitation

1 - LS2OL

Low Side 2 Open Load

0 - LS1OL

Low Side 1Open Load

Table 107. Low Side Enable Register (LSEN)

Offset(78) 0x32

Access: User read/write

543

210

000

LSCEN

Reset

000

Note:

78. Offset related to 0x0200 for blocking access and 0x300 for non blocking access within the global address space.

Table 108. LSEN - Register Field Descriptions

Field

Description

3-0

LSCEN

Low Side Control Enable - To allow the LS Control via LSx, the correct value has to be written into the LSCEN Register.

0x5 - Low Side Control Enabled

all other values - Low Side Control Disabled

MM912F634CV2AP Datasheet(PDF) 85 Page - Freescale Semiconductor, Inc

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