ALC5616
Datasheet
7.3. Reset
There are 2 types of reset operation: power on reset (POR) and register reset.
Reset Type
POR
Register Reset
Table 7. Reset Operation
Trigger Condition
CODEC Response
Monitor digital power supply voltage reach
VPOR
Write MX-00h
Reset all hardware logic and all registers to default
values.
Reset all registers to default values except some specify
control registers and logic.
7.3.1. Power-On Reset (POR)
When powered on, DCVDD passes through the VPOR band of the ALC5616 (VPOR_ON ~VPOR_OFF). A
power on reset (POR) will generate an internal reset signal (POR reset ‘LOW’) to reset the whole chip.
Symbol
Min
VPOR_ON
-
VPOR_OFF
-
Note:
1.VPOR_OFF must be below VPOR_ON
2. ToC = 25oC
3. When DCVDD is supplied 1.2V
Table 8.
Power-On Reset Voltage
Typical
0.8
0.52
Max
-
-
Unit
V
V
7.3.2. Software Reset
When MX-00h is wrote, all registers become to default value.
I2S Audio CODEC for Mobile Devices
12
Rev. 0.1