參數(shù)資料
型號(hào): ISP1109
廠商: NXP Semiconductors N.V.
英文描述: Universal Serial Bus transceiver with carkit support
中文描述: 與車載通用串行總線收發(fā)器支持
文件頁數(shù): 43/59頁
文件大?。?/td> 295K
代理商: ISP1109
9397 750 13355
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 14 July 2005
43 of 59
Philips Semiconductors
ISP1109
USB transceiver with carkit support
15.1 SPI bus characteristics
15.2 I
2
C-bus characteristics
Fig 18. SPI timing diagram.
004aaa488
SPI_CS
SPI_CLK
SPI_MOSI
t
h(SPI_CS)
SPI_MISO
t
r(SPI_CS)
t
(SPI_CS)LH
t
W(SPI_CLK)
T
SPI_CLK
t
su(SPI_MOSI)
t
h(SPI_MOSI)
t
su(SPI_MISO)
t
h(SPI_MISO)
dead
bit
CLK
t
W(SPI_CLK)
Table 60:
Symbol
T
SPI_CLK
t
W(SPI_CLK)
t
rf(SPI_CLK)
t
(SPI_CS)LH
t
r(SPI_CS)
t
h(SPI_CS)
t
su(SPI_MOSI)
t
h(SPI_MOSI)
t
su(SPI_MISO)
t
h(SPI_MISO)
SPI timing
Parameter
SPI_CLK cycle time
SPI_CLK HIGH or LOW time
SPI_CLK rise or fall time
transfer delay time between queues (SPI_CS from falling edge to rising edge)
SPI_CS rise time (SPI_CS setup to SPI_CLK first rise edge)
SP_CS hold time (SPI_CS hold after SPI_CLK last fall edge)
SPI_MOSI setup time (SPI_MOSI valid to SPI_CLK rise edge)
SPI_MOSI hold time (SPI_CLK rise edge to SPI_MOSI valid)
SPI_MISO setup time (SPI_MISO valid to SPI_CLK rise edge)
SPI_MISO hold time (SPI_CLK rise edge to SPI_MISO valid)
Min
38.46
19.23
7.6
30
10
61.5
5
5
5
19.23
Max
-
-
-
-
-
-
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Fig 19. Definition of timing for standard-mode or fast-mode devices on the I
2
C-bus.
004aaa577
S
Sr
t
SU;STO
t
SU;STA
t
HD;STA
t
(SCL)H
t
(SCL)L
t
SU;DAT
t
HD;DAT
t
f
SDA
SCL
P
S
t
BUF
t
r
t
f
t
r
t
SP
t
HD;STA