SI4710-B30 Datasheet, PDF (10/40 Pages) Silicon Laboratories – Si4710/11-B30 FM RADIO TRANSMITTER

Si4710/11-B30
Table 7. SPI Control Interface Characteristics
(V_DD = 2.7 to 5.5 V, V_IO = 1.5 to 3.6 V, T_A = –20 to 85 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max Unit
SCLK Frequency
f_CLK
0
—
2.5
MHz
SCLK High Time
t_HIGH
25
—
—
ns
SCLK Low Time
t_LOW
25
—
—
ns
SDIO Input, SEN to SCLKSetup
t_S
15
—
—
ns
SDIO Input to SCLKHold
SEN Input to SCLKHold
SCLKto SDIO Output Valid
SCLKto SDIO Output High Z
t_HSDIO
t_HSEN
t_CDV
t_CDZ
Read
Read
10
—
—
ns
5
—
—
ns
2
—
25
ns
2
—
25
ns
SCLK, SEN, SDIO, Rise/Fall time
t_R, t_F
—
—
10
ns
Note: When selecting SPI mode, the user must ensure that a rising edge of SCLK does not occur within 300 ns before the
rising edge of RST.
SCLK 70%
30%
SEN ^70%
30%
tS
tS
tR
tF
tHIGH tLOW
tHSDIO
tHSEN
SDIO 70%
30%
C7
C6–C1
C0
D7
D6–D1
D0
Control Byte In
8 Data Bytes In
Figure 6. SPI Control Interface Write Timing Parameters
SCLK 70%
30%
SEN 70%
30%
SDIO ^70%
30%
tS
tS
C7
C6–C1
Control Byte In
tCDV
tHSDIO
tHSEN
tCDZ
C0
D7
D6–D1
D0
Bus
Turnaround
16 Data Bytes Out
(SDIO or GPO1)
Figure 7. SPI Control Interface Read Timing Parameters
10
Rev. 1.1