Si4702-D30-GMR Silicon Labs, Si4702-D30-GMR Datasheet - Page 6

• Manufacturer Part Number: Si4702-D30-GMR
• Description: Tuners BRDCAST FM RADIO TNR
• Manufacturer: Silicon Labs

Specifications of Si4702-D30-GMR

• Rohs: yes
• Function: Radio
• Operating Supply Voltage: 2.7 V to 5.5 V
• Minimum Operating Temperature: - 20 C
• Maximum Operating Temperature: + 85 C
• Maximum Frequency: 108 MHz
• Minimum Frequency: 76 MHz
• Mounting Style: SMD/SMT
• Package / Case: QFN-20
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 2.7 V

Si4702/03-C19
Table 4. Reset Timing Characteristics (Busmode Select Method 1)
6
Parameter
RSTpulse width and GPIO3 Setup
to RST
SEN and SDIO Setup to RST
SEN, SDIO, and GPIO3 Hold from
RST
Notes:
1. When selecting 2-wire Mode, the user must ensure that a 2-wire start condition (falling edge of SDIO while SCLK is
2. When selecting 3-wire Mode, the user must ensure that a rising edge of SCLK does not occur within 300 ns before the
3. When selecting 2-wire mode, the user must ensure that SCLK is high during the rising edge of RST, and stays high
4. If GPIO3 is driven low by the user, then minimum t
high) does not occur within 300 ns before the rising edge of RST.
rising edge of RST.
until after the 1st start condition.
100 µs, to provide time for an on-chip 1 M pulldown device (active while RST is low) to discharge the pin.
Figure 1. Reset Timing Parameters for Busmode Select Method 1 (GPIO3 = 0)
GPIO3
SDIO
SEN,
RST
t
Symbol
GSRST1
t
t
SRST1
HRST1
70%
30%
70%
30%
70%
30%
4
GSRST1
Rev. 1.1
Test Condition
GPIO3 = 0
is only 30 ns. If GPIO3 is hi-Z, then minimum t
t
GSRST1
t
SRST1
t
HRST1
Min
100
30
30
1,2,3
Typ
—
—
—
Max
—
—
—
GSRST1
Unit
µs
ns
ns
is