SI4708-C Datasheet, PDF (6/40 Pages) Silicon Laboratories – BROADCAST FM RADIO TUNER FOR PORTABLE APPLICATIONS

Si4708/09-C
Table 4. Reset Timing Characteristics (Busmode Select Method)^1,2,3
(V_DD = 2.7 to 5.5 V, V_IO = 1.62 to 3.6 V, T_A = –20 to 85 °C)
Parameter
Symbol Min
Typ
Max
Unit
SEN Input to RSTSetup
t_SRST1
30
—
—
ns
SEN Input to RSTHold
t_HRST1
30
—
—
ns
Notes:
1. When selecting 2-wire Mode, the user must ensure that a 2-wire start condition (falling edge of SDIO while SCLK is
high) does not occur within 300 ns before the rising edge of RST.
2. When selecting 3-wire Mode, the user must ensure that a rising edge of SCLK does not occur within 300 ns before the
rising edge of RST.
3. When selecting 2-wire mode, the user must ensure that SCLK is high during the rising edge of RST, and stays high until
after the 1st start condition.
t_SRST t_HRST
70%
RST
30%
70%
SEN
30%
Figure 1. Reset Timing Parameters
6
Rev. 1.2