參數(shù)資料
型號: CYRF6936-40LFXC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: 通信及網(wǎng)絡(luò)
英文描述: WirelessUSB⑩ LP 2.4 GHz Radio SoC
中文描述: SPECIALTY TELECOM CIRCUIT, QCC40
封裝: 6 X 6 MM, LEAD FREE, MO-220, QFN-40
文件頁數(shù): 2/40頁
文件大?。?/td> 466K
代理商: CYRF6936-40LFXC
CYRF6936
Document #: 38-16015 Rev. *G
Page 2 of 40
Figure 1. CYRF6936, 40 QFN – Top View
CYRF6936
Top View*
Pin Descriptions
Pin #
Name
RF
N
RF
P
RF
BIAS
PACTL
XTAL
XOUT
Type Default
I/O
I/O
O
I/O
I
I/O
Description
13
11
10
30
1
29
I
I
Differential RF signal to/from antenna
Differential RF signal to/from antenna
RF I/O 1.8V reference voltage
Control signal for external PA, T/R switch, or GPIO
12 MHz crystal
Buffered 0.75, 1.5, 3, 6 or 12 MHz clock, PACTL, or GPIO.
Tri-states in sleep mode (configure as GPIO drive LOW)
SPI clock
SPI data output pin (Master In Slave Out), or GPIO (in SPI 3-pin mode).
Tri-states when SPI 3PIN = 0 and SS is deasserted
O
O
I
O
25
28
SCK
MISO
I
I
I/O
Z
27
MOSI
I/O
I
SPI data input pin (Master Out Slave In), or SDAT
SPI enable, active LOW assertion. Enables and frames transfers
Interrupt output (configurable active HIGH or LOW), or GPIO
Device reset. Internal 10 kohm pull down resistor. Active HIGH, typically
connect through a 0.47
μ
F capacitor to V
BAT.
Must have RST = 1 event
the first time power is applied to the radio. Otherwise the state of the radio
control registers is unknown
PMU inductor/diode connection, when used. If not used, connect to GND
PMU boosted output voltage feedback
Decoupling pin for 1.8V logic regulator, connect through a 0.47
μ
F
capacitor to GND
V
BAT
= 1.8V to 3.6V. Main supply
V
CC
= 2.4V to 3.6V. Typically connected to V
REG
I/O interface voltage, 1.8–3.6V
Must be connected to GND
Connect to GND
24
26
34
SS
IRQ
RST
I
I
I/O
I
O
I
37
40
35
L/D
V
REG
V
DD
O
Pwr
Pwr
6, 8, 38
3, 7, 16
33
19
2, 4, 5, 9, 14, 15, 18, 17, 20,
21, 22, 23, 32, 36, 39, 31
12
E-PAD
V
BAT
V
CC
V
IO
RESV
NC
Pwr
Pwr
Pwr
I
NC
GND
GND
GND
GND
Ground
Ground
CYRF6936
40-lead QFN
RF
BIAS
NC
NC
V
BAT
V
CC
V
BAT
XTAL
V
CC
NC
NC
V
R
N
N
V
B
L
N
N
V
I
V
D
R
R
N
N
N
V
C
N
N
R
N
G
R
P
NC
SS
SCK
IRQ / GPIO
MOSI / SDAT
MISO / GPIO
XOUT / GPIO
PACTL / GPIO
NC
NC
23
24
25
26
27
28
29
30
22
21
1
1
1
1
1
1
1
2
1
1
10
9
2
8
7
6
1
3
5
4
4
3
3
3
3
3
3
3
3
3
* E-PAD BOTTOM SIDE
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