CYWUSB6935-48LFI Cypress Semiconductor Corp, CYWUSB6935-48LFI Datasheet - Page 6

• Manufacturer Part Number: CYWUSB6935-48LFI
• Description: IC USB WIRELESS 2.4GHZ 48VQFN
• Manufacturer: Cypress Semiconductor Corp

Specifications of CYWUSB6935-48LFI

• 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: Contains lead / RoHS non-compliant
• Memory Size: -
• Other names: 428-1578

6.0
7.0
Table 7-1 displays the list of registers inside the
CYWUSB6935 that are addressable through the SPI interface.
All registers are read and writable, except where noted.
Table 7-1. CYWUSB6935 Register Map
Document 38-16008 Rev. **
Revision ID
Synthesizer A Counter
Synthesizer N Counter
Control
Data Rate
Configuration
Note:
1.
All registers are accessed Little Endian.
W ire le s s U S B L R +
Application Examples
Register Descriptions
Register Name
Application
A L A R M P A N E L
Hardware
Battery
P S o C
+
-
DC2DC
LDO/
Figure 6-1. CYWUSB6935 Battery Powered Device
REG_ID
REG_SYN_A_CNT
REG_SYN_N_CNT
REG_CONTROL
REG_DATA_RATE
REG_CONFIG
PSoC
Figure 6-2. WirelessUSB LR Alarm System
[1]
Vcc
Mnemonic
3.3 V
PRELIMINARY
RESET
IRQ
SPI
PD
4
W ire le s s U S B L R
W ire le s s U S B L R
W ire le s s U S B L R
W ire le s s U S B L R
CYWUSB6935
Address
WirelessUSB LR
0x00
0x01
0x02
0x03
0x04
0x05
Vcc
…
Page
10
11
9
8
8
9
RFOUT
RFIN
0.1µF
27 pF
P S o C + K E Y P A D
P S o C + M O T IO N
1.0 pF
P S o C + S M O K E
P S o C + D O O R
Default
13MHz
Crystal
D E T E C T O R
D E T E C T O R
0x07
0x00
0x00
0x00
0x00
0x01
S E N S O R
CYWUSB6935
Inverted “F”
PCB Trace
3.3 nH
3.0 pF
Antenna
(PIFA)
Page 6 of 32
Access
RW
RW
RW
RW
RW
RO