SI4712-B30-GM Silicon Laboratories Inc, SI4712-B30-GM Datasheet - Page 6

• Manufacturer Part Number: SI4712-B30-GM
• Description: IC TX FM RADIO W/RPS 20UQFN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI4712-B30-GM

• Frequency: 76MHz ~ 108MHz
• Applications: General Purpose
• Modulation Or Protocol: FM
• Current - Transmitting: 18.8mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-UQFN, 20-µQFN
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -20C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Power - Output: -
• Memory Size: -
• Data Rate - Maximum: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed

Si4712/13-B30
Table 4. Reset Timing Characteristics
(V
6
Parameter
RST Pulse Width and GPO1, GPO2/INT Setup to RST↑
GPO1, GPO2/INT Hold from RST↑
Important Notes:
DD
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 2-wire mode, the user must ensure that SCLK is high during the rising edge of RST, and stays high until
3. When selecting 3-wire or SPI modes, the user must ensure that a rising edge of SCLK does not occur within 300 ns
4. If GPO1 and GPO2 are actively driven by the user, then minimum t
= 2.7 to 5.5 V, V
high) does not occur within 300 ns before the rising edge of RST.
after the 1st start condition.
before the rising edge of RST.
minimum t
GPO2 low.
SRST
IO
is 100 µs, to provide time for on-chip 1 MΩ devices (active while RST is low) to pull GPO1 high and
= 1.5 to 3.6 V, T
Figure 1. Reset Timing Parameters for Busmode Select
GPO2/
GPO1
RST
INT
A
= –20 to 85 °C)
70%
30%
70%
30%
70%
30%
1,2,3
Rev. 1.1
4
t
SRST
Symbol
t
t
HRST
SRST
t
HRST
SRST
is only 30 ns. If GPO1 or GPO2 is hi-Z, then
Min
100
30
Typ
—
—
Max
—
—
Unit
µs
ns