si4704 Silicon Laboratories, si4704 Datasheet - Page 10

• Manufacturer Part Number: si4704
• Description: Broadcast Fm Radio Receiver For Consumer Electronics
• Manufacturer: Silicon Laboratories

Si4704/05-C40
Table 7. SPI Control Interface Characteristics
(V
10
Parameter
SCLK Frequency
SCLK High Time
SCLK Low Time
SDIO Input, SEN to SCLKSetup
SDIO Input to SCLKHold
SEN Input to SCLK
SCLK
SCLK
SCLK, SEN, SDIO, Rise/Fall time
Note: When selecting SPI mode, the user must ensure that a rising edge of SCLK does not occur within 300 ns before the
DD
= 2.7 to 5.5 V, V


rising edge of RST.
to SDIO Output Valid
to SDIO Output High Z
SCLK
SCLK
SDIO
SDIO
SEN
SEN
70%
30%
70%
30%
70%
30%
70%
30%
70%
30%
70%
30%
IO

= 1.85 to 3.6 V, T
Hold
Figure 6. SPI Control Interface Write Timing Parameters
Figure 7. SPI Control Interface Read Timing Parameters
t
S
t
S
C7
C7
A
Control Byte In
t
= –20 to 85 °C)
S
Symbol
Control Byte In
t
t
t
HSDIO
t
t
HSEN
t
t
f
S
HIGH
LOW
CDV
CLK
CDZ
t
t
t
C6–C1
C6 –C1
S
R
F
Rev. 1.0
Test Condition
t
C0
C0
HIGH
t
HSDIO
Turnaround
t
Read
Read
CDV
t
Bus
LOW
D7
t
D7
HSDIO
16 Data Bytes Out
t
(SDIO or GPO1)
R
8 Data Bytes In
D6–D1
D6 –D1
Min
t
25
25
15
10
F
—
0
5
2
2
t
t
D0
HSEN
HSEN
D0
Typ
—
—
—
—
—
—
—
—
—
t
CDZ
Max
2.5
25
25
10
—
—
—
—
—
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns