參數(shù)資料
型號: CYWUSB6935
廠商: Cypress Semiconductor Corp.
英文描述: WirelessUSB LR 2.4-GHz DSSS Radio SoC(WirelessUSB LR 2.4-GHz DSSS無線SoC)
中文描述: 的WirelessUSB LR 2.4 GHz的無線擴頻系統(tǒng)芯片(的WirelessUSB LR 2.4 GHz的無線擴頻芯片)
文件頁數(shù): 21/32頁
文件大?。?/td> 395K
代理商: CYWUSB6935
CYWUSB6935
Document #: 38-16008 Rev. *D
Page 21 of 32
8.0
Pin Descriptions
Table 8-1. Pin Description Table
Pin QFN
Name
Type
Default
Description
Analog RF
46
RFIN
Input
Input
RF Input
. Modulated RF signal received.
5
RFOUT
Output
N/A
RF Output
. Modulated RF signal to be transmitted.
Crystal / Power Control
38
X13
Input
N/A
Crystal Input
. (refer to
Section 4.6
).
35
X13IN
Input
N/A
Crystal Input
. (refer to
Section 4.6
).
26
X13OUT
Output/Hi-Z
Output
System Clock
. Buffered 13-MHz system clock.
33
PD
Input
N/A
Power Down
. Asserting this input (low), will put the IC in the Suspend
Mode (X13OUT is 0 when PD is Low).
14
RESET
Input
N/A
Active LOW Reset
. Device reset.
34
PACTL
I/O
Input
PACTL
. External Power Amplifier control. Pull-down or make output.
SERDES Bypass Mode Communications/Interrupt
20
DIO
I/O
Input
Data Input/Output.
SERDES Bypass Mode Data Transmit/Receive.
19
DIOVAL
I/O
Input
Data I/O Valid
. SERDES Bypass Mode Data Transmit/Receive Valid.
21
IRQ
Output /Hi-Z
Output
IRQ
. Interrupt and SERDES Bypass Mode DIOCLK.
SPI Communications
23
MOSI
Input
N/A
Master-Output-Slave-Input Data
. SPI data input pin.
24
MISO
Output/Hi-Z
Hi-Z
Master-Input-Slave-Output Data
. SPI data output pin.
25
SCK
Input
N/A
SPI Input Clock
. SPI clock.
22
SS
Input
N/A
Slave Select Enable
. SPI enable.
Power and Ground
6, 9, 16,
28, 29,
32, 41,
42, 44, 45
VCC
VCC
H
V
CC
= 2.7V to 3.6V.
13
GND
GND
L
Ground = 0V
.
1, 2, 3, 4,
7, 8, 10,
11, 12,
15, 17,
18, 27,
30, 31,
36, 37,
39, 40,
43, 47, 48
NC
N/A
N/A
Must be tied to Ground.
Exposed
paddle
GND
GND
L
Must be tied to Ground.
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