LM93 datasheet(68/92 Pages) NSC

68 / 92 page

16.0 Registers (Continued)

16.8.11 Register C6h

PROCHOT Override

Address

Read/

Write

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Default

Value

C6h

R/W

PROCHOT

Override

FORCE

_P1

FORCE

_P2

RES

PHT_DC

00h

Bit

Name

R/W

Description

3:0

PHT_DC

R/W

PROCHOT duty cycle select.

5:4

RES

Reserved

FORCE_P1

R/W

When this is set by software, P1_PROCHOT will be asserted

by the LM93 with the duty cycle selected by PHT_DC.

FORCE_P2

R/W

When this is set by software, P2_PROCHOT will be asserted

by the LM93 with the duty cycle selected by PHT_DC.

Note that if the P1P2_PROCHOT bit is set to short the Px_PROCHOT pins together, both Px_PROCHOT outputs will be driven

together, even if only one of the FORCE_Px bits is set.

The period of the PWM signal driven on Px_PROCHOT is 3.56 ms (80 internal 22.5 kHz clocks). The asserted time can be

increased in 5 clock increments. 5 clocks is about 220 µs and would represent 6.25% percent throttled.

Possible settings for PHT_DC:

PHT_DC

Asserted Period

5 clocks

10 clocks

15 clocks

20 clocks

25 clocks

30 clocks

35 clocks

40 clocks

45 clocks

50 clocks

55 clocks

60 clocks

65 clocks

70 clocks

75 clocks

80 clocks

LM93 데이터시트(PDF) 68 Page - National Semiconductor (TI)

LM93 데이터시트(HTML) 68 Page - National Semiconductor (TI)

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