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): 32/40頁
文件大?。?/td> 466K
代理商: CYRF6936-40LFXC
CYRF6936
Document #: 38-16015 Rev. *G
Page 32 of 40
Figure 11. SPI Timing
Parameter
I
LOAD_EXT
Description
Conditions
Min
Typ
Max
15
Unit
mA
Average PMU External Load current
V
BAT
= 1.8V, V
REG
= 2.73V,
0–50
°
C, RX Mode
V
BAT
= 1.8V, V
REG
= 2.73V,
50–70
°
C, RX Mode
I
LOAD_EXT
Average PMU External Load current
10
mA
AC Characteristics
[12]
Table 6. SPI Interface
[13]
Parameter
Description
Min
238.1
100
100
25
10
0
Typ
Max
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
SCK_CYC
t
SCK_HI
t
SCK_LO
t
DAT_SU
t
DAT_HLD
t
DAT_VAL
t
DAT_VAL_TRI
t
SS_SU
t
SS_HLD
t
SS_PW
t
SCK_SU
t
SCK_HLD
t
RESET
SPI Clock Period
SPI Clock High Time
SPI Clock Low Time
SPI Input Data Setup Time
SPI Input Data Hold Time
SPI Output Data Valid Time
SPI Output Data Tri-state (MOSI from Slave Select Deassert)
SPI Slave Select Setup Time before first positive edge of SCK
[14]
SPI Slave Select Hold Time after last negative edge of SCK
SPI Slave Select Minimum Pulse Width
SPI Slave Select Setup Time
SPI SCK Hold Time
Minimum RST Pin Pulse Width
50
20
10
10
20
10
10
10
DC Characteristics
(T = 25
°
C, V
BAT
= 2.4V, PMU disabled, f
OSC
= 12.000000MHz)
(continued)
SCK
nSS
MOSI input
MISO
MOSI output
t
SCK_HI
t
SCK_LO
t
SS_SU
t
SCK_SU
t
SCK_CYC
t
SS_HLD
t
SCK_HLD
t
DAT_SU
t
DAT_HLD
t
DAT_VAL
t
DAT_VAL_TRI
Notes
12.AC values are not guaranteed if voltage on any pin exceed V
IO
.
13.C
= 30 pF.
14.SCK must start low at the time SS goes LOW, otherwise the success of SPI transactions are not guaranteed.
[+] Feedback
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