CYWUSB6935-48LFXI Cypress Semiconductor Corp, CYWUSB6935-48LFXI Datasheet - Page 25

• Manufacturer Part Number: CYWUSB6935-48LFXI
• Description: IC,Upconverter And Downconverter,LLCC,48PIN,PLASTIC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CYWUSB6935-48LFXI

• Frequency: 2.4GHz
• Data Rate - Maximum: 62.5kbps
• Modulation Or Protocol: DSSS, GFSK
• Applications: AMR, ISM, RKE
• Power - Output: 0dBm
• Sensitivity: -95dBm
• Voltage - Supply: 2.7 V ~ 3.6 V
• Current - Receiving: 57.7mA
• Current - Transmitting: 69.1mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 428-1626

AC Characteristics
Table 37. SPI Interface
Notes
Document #: 38-16008 Rev. *E
t
t
t
t
t
t
t
t
t
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.
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
Parameter
SCK
OSC
S C K
SS
S S
= 13 MHz, 3.3V @ 25°C.
t
D A T _ S U
[15]
t
S S _ S U
data to m cu
[16]
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
d a ta fro m m c u
[14]
every 8
Figure 11. SPI Burst Read Every 9th SCK HI Stretch Timing Diagram
t
SCK_HI
th
SCK_HI
t
S C K _ H I
t
D A T _ H L D
t
SC K_CYC
t
S C K _ C Y C
t
DAT_VAL
t
SCK_LO
Figure 10. SPI Timing Diagram
CC
Description
t
S C K _ L O
.
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
SCK_H I (BURST READ)
every 9
th
SCK_HI
[17]
d a ta fro m m c u
d a ta to m c u
97
77
Min.
476
238
158
158
250
10
80
[16]
[16]
data to m cu
Typ.
every 10
CYWUSB6935
th
t
SCK_HI
174
S S _ H L D
Max.
[16]
Page 25 of 34
d a ta
d a ta
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
data
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