Datasheet

ADP8866 Data Sheet

Rev. A | Page 46 of 52

Table 89.

Bit Name Bit No. Description

N/A 7 Reserved.

SC7OFF_HB [6:0] SC7 off time for the even numbered pulses when heartbeat mode for this channel is enabled. When the

SC7OFF_HB time is disabled, SC7 goes immediately from the even numbered on time to the odd numbered on

time. When the SC off time is set to any other value, the ISC turns off for the off time (per the following listed

times) and then turns on according to the SCON7_HB setting.

0000 = disabled

0000001 = 0.0 sec

0000010 = 0.1 sec.

0000011 = 0.2 sec.

…

1111110 = 12.5 sec.

1111111 = off

A disabled setting leaves the LED on. This is useful for setting up a blink sequence that runs once and then stays on.

Setting SCxOFF_HB to 0 seconds is not recommended if the SCFO_HB fade-out time is also set to 0 seconds.

Setting SCxOFF to off causes the LED to be held off indefinitely. This is useful for setting up a blink sequence that runs once and then goes to off.

Independent Sink 8 Off Timer—Even Heartbeat Pulses (OFFTIMER8_HB)—Register 0x33

Table 90. OFFTIMER8_HB Bit Map

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Reserved SC8OFF_HB

Table 91.

Bit Name Bit No. Description

N/A 7 Reserved.

SC8OFF_HB [6:0] SC8 off time for the even numbered pulses when heartbeat mode for this channel is enabled. When the

SC8OFF_HB time is disabled, SC8 goes immediately from the even numbered on time to the odd numbered on