CYWUSB6935 Cypress Semiconductor Corporation., CYWUSB6935 Datasheet - Page 24

no-image

CYWUSB6935

Manufacturer Part Number
CYWUSB6935
Description
Lr 2.4-ghz Dsss Radio Soc
Manufacturer
Cypress Semiconductor Corporation.
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CYWUSB6935-48AFC
Manufacturer:
CY
Quantity:
16
Part Number:
CYWUSB6935-48AFC
Quantity:
28
Part Number:
CYWUSB6935-48LFC
Manufacturer:
CY
Quantity:
57
Part Number:
CYWUSB6935-48LFC
Manufacturer:
CY
Quantity:
268
Part Number:
CYWUSB6935-48LFI
Manufacturer:
CY
Quantity:
1
Part Number:
CYWUSB6935-48LFXC
Manufacturer:
CIRRUS
Quantity:
20 000
12.0
Table 12-1. SPI Interface
Notes:
Document #: 38-16008 Rev. *D
14. AC values are not guaranteed if voltages on any pin exceed V
15. This stretch only applies to every 9th SCK HI pulse for SPI Burst Reads only.
16. For F
17. SCK must start low, otherwise the success of SPI transactions are not guaranteed.
t
t
t
t
t
t
t
t
t
SCK_CYC
SCK_HI (BURST READ)
SCK_HI
SCK_LO
DAT_SU
DAT_HLD
DAT_VAL
SS_SU
SS_HLD
M ISO
M O S I
M IS O
SCK
S C K
SS
Parameter
S S
OSC
AC Characteristics
= 13 MHz, 3.3V @ 25°C.
t
D A T _ S U
t
S S _ S U
[15]
data to m cu
d a ta fro m m c u
SPI Clock Period
SPI Clock High Time
SPI Clock High Time
SPI Clock Low Time
SPI Input Data Set-up Time
SPI Input Data Hold Time
SPI Output Data Valid Time
SPI Slave Select Set-up Time before first positive edge of SCK
SPI Slave Select Hold Time after last negative edge of SCK
every 8
Figure 12-2. SPI Burst Read Every 9th SCK HI Stretch Timing Diagram
[16]
t
SCK_HI
th
SC K_HI
t
S C K _ H I
t
D A T _ H L D
t
[14]
SCK_CYC
t
S C K _ C Y C
t
DAT_VAL
t
Figure 12-1. SPI Timing Diagram
SCK_LO
t
S C K _ L O
Description
CC
t
D A T _ V A L
.
d a ta fro m m c u
d a ta to m c u
data to m cu
t
SC K_HI (BU RST READ)
every 9
th
SC K_HI
[17]
d a ta to m c u
d a ta fro m m c u
97
77
Min.
476
238
158
158
250
10
80
data to m cu
[16]
[16]
every 10
CYWUSB6935
Typ.
th
SCK_HI
t
S S _ H L D
174
Max.
Page 24 of 32
[16]
d a ta
d a ta
data
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
[+] Feedback

Related parts for CYWUSB6935