PS501 datasheet(18/42 Pages) MICROCHIP

18 / 42 page

PS501

DS21818C-page 18

 2004 Microchip Technology Inc.

7.1

LED Parameters

When configured as LED drivers, the following

parameters determine the State-Of-Charge at which

each LED will turn on.

TABLE 7-5:

LED PARAMETERS

SAFE_TIMER_LIMIT_2

SAFE_TIMER_LIMIT_3

SAFE_TIMER_LIMIT_4

SAFE_TIMER_LIMIT_5

SAFE_TIMER_LIMIT_6

SAFE_TIMER_LIMIT_7

SAFE_TIMER_LIMIT_8

SAFE_TIMER_LIMIT_9

SAFE_TIMER_LIMIT_10

SAFE_TIMER_LIMIT_11

SAFE_TIMER_LIMIT_12

SAFE_TIMER_LIMIT_13

SAFE_TIMER_LIMIT_14

SAFE_TIMER_LIMIT_15

SAFE_FLAG_COUNT

Number of CSF(s) to process, 0-16 (there must be 2 condition groups (CGs) per CSF)

SAFE_CONDITION

Condition (start of table)

. . .

Condition

SAFE_CONDITION

Condition (end of table)

TABLE 7-4:

PARAMETERS (CONTINUED)

Name

Length

Description

Name

Length

Definition

LED_MASK

Mask defining GPIO(s) used for LED display(s) (1 = LED)

LED_VALUE_0

GPIO 0 SOC value (SOC >= LED_VALUE, LED = on)

LED_VALUE_1

GPIO 1 SOC value (SOC >= LED_VALUE, LED = on)

LED_VALUE_2

GPIO 2 SOC value (SOC >= LED_VALUE, LED = on)

LED_VALUE_3

GPIO 3 SOC value (SOC >= LED_VALUE, LED = on)

LED_VALUE_4

GPIO 4 SOC value (SOC >= LED_VALUE, LED = on)

LED_VALUE_5

GPIO 5 SOC value (SOC >= LED_VALUE, LED = on)

LED_VALUE_6

GPIO 6 SOC value (SOC >= LED_VALUE, LED = on)

LED_VALUE_7

GPIO 7 SOC value (SOC >= LED_VALUE, LED = on)

LED_ICHG

Current threshold for LED display

LED_DUTYCYCLE

Duty cycle of LED drivers

GPIO_SWITCHMASK

Mask for switch input(s). If switch is active-high, all bits are ‘0’ except switch

pin. If switch is active-low, all bits are ‘1’ except switch pin.

LED_DISPLAY_TIME

Number of 500 ms periods LEDs are lit after switch press

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