Rainbow-electronics MAX8982X Manual de usuario descargar pdf (Pagina 46)

Power-Management ICs for

ICERA E400/E450 Platform

MAX8982A/MAX8982X

Table 8. IRQ Register

Table 9. STATUS Register

Note: The IRQ register is effective only as long as IN1A and IN1B are higher than 2.0V. If the IN1A and IN1B are below 2.0V,

these registers reset to the POR value.

Table 10. LED1FT1 Register (LED1 (DR1) Flash Timer On/Off and TON Adjust)

ADDRESS

(HEX)

POR

(HEX)

R/W BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0

13 00 R/W Reserved Reserved Reserved Reserved Reserved Reserved UVLOF

HIGH

TMP

NAME POR DESCRIPTION

HIGH

TMP

0: No high temperature event detected.

1: Temperature sensor detects +125NC.

UVLOF 0

0: No UVLO event detected.

1: UVLO falling is detected.

ADDRESS

(HEX)

POR

(HEX)

R/W BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0

14 N/A R Reserved Reserved Reserved Reserved Reserved Reserved UVLOF

HIGH

TMP

NAME POR DESCRIPTION

HIGHTMP —

0: T

< +125NC

1: T

> +125NC

UVLOF —

0: Falling UVLO threshold is not detected.

1: Falling UVLO threshold is detected.

ADDRESS

(HEX)

POR

(HEX)

R/W BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0

18 00 R/W Reserved Reserved Reserved FLASHEN LD1TON[3:0]

NAME POR DESCRIPTION

FLASHEN 0

1: Flasher is enabled.

0: Flasher is disabled.

LD1TON[3:0] 0000

BIT

(ms)

3 2 1 0

0 0 0 0 25

0 0 0 1 50

1 1 1 1 400

From 25ms to 400ms in 25ms increments.

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 72 73

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Rainbow-electronics MAX8982X Manual de usuario Pagina 46

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