SI4827-A10 Datasheet, PDF (5/25 Pages) Silicon Laboratories – BROADCAST ANALOG TUNING DIGITAL DISPLAY AM/FM/SW RADIO RECEIVER

Si4827-A10
Table 3. Reset Timing Characteristics
(V_DD = 2.7 to 3.6 V, TA = 0 to 70 °C)
Parameter
Symbol
Min
Typ
RSTB Pulse Width
t_PRST
100
—
2-wire Bus Idle Time After RSTB Rises
t_SDIO
100
—
2-wire Bus Idle Time Before RSTB Rises, and VDD Valid
t_SRST
100
—
Time Before RSTB Rises
RSTB Low Time Before VDD Becomes Invalid
t_RRST
0
—
Notes:
1. RSTB must be held low for at least 100 µs after the voltage supply has been ramped up.
2. RSTB needs to be asserted (pulled low) prior to the supply voltage being ramped down.
Max
—
—
—
—
Unit
µs
µs
µs
µs
VDD
RSTB
t_SRST
t_SDIO
t_PRST
t_SDIO
t_RRST
SCLK
SDIO
POWER_UP
Normal
Operation
Figure 1. Reset Timing
POWER_UP
Normal
Operation
Rev. 1.0
5