Rainbow Electronics ATA5812 - Manual (Page 43)

43
ATA5811/ATA5812 [Preliminary]
4689B–RKE–04/04
Low Battery Indicator The status bit Low_Batt is set to 1 if the voltage on pin VSOUT V
VSOUT
drops under
2.38 V (typically).
Low_Batt is set to 0 if V
VSOUT
exceeds V
Thres_2
and the status register is read via the
4-wire serial interface (see Figure 23 on page 30).
Figure 31. Timing Status Bit Low_Batt
V
VSOUT
< 2.38 V (typ)
? No
Yes
IDLE, AUX, TX, RX or
RX Polling Mode
Low_Batt = 1
Read Status Register