SI4736-C40 Datasheet, PDF (10/42 Pages) Silicon Laboratories – BROADCAST AM/FM RADIO RECEIVER

Si4736/37/38/39-C40
Table 7. SPI Control Interface Characteristics
(V_DD = 2.7 to 5.5 V, V_IO = 1.85 to 3.6 V, T_A = –20 to 85 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max Unit
SCLK Frequency
SCLK High Time
SCLK Low Time
SDIO Input, SEN to SCLKSetup
SDIO Input to SCLKHold
SEN Input to SCLKHold
SCLKto SDIO Output Valid
SCLKto SDIO Output High Z
SCLK, SEN, SDIO, Rise/Fall time
f_CLK
t_HIGH
t_LOW
t_S
t_HSDIO
t_HSEN
t_CDV
t_CDZ
t_R, t_F
Read
Read
0
—
2.5
MHz
25
—
—
ns
25
—
—
ns
15
—
—
ns
10
—
—
ns
5
—
—
ns
2
—
25
ns
2
—
25
ns
—
—
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
tCDV
tHSDIO
C0
D7
tHSEN
D6–D1
tCDZ
D0
Control Byte In
Bus
Turnaround
16 Data Bytes Out
(SDIO or GPO1)
Figure 7. SPI Control Interface Read Timing Parameters
10
Rev. 1.0