lpc1778 NXP Semiconductors, lpc1778 Datasheet - Page 89

• Manufacturer Part Number: lpc1778
• Description: 32-bit Arm Cortex-m3 Microcontroller; Up To 512 Kb Flash And 96 Kb Sram; Usb Device/host/otg; Ethernet; Lcd; Emc
• Manufacturer: NXP Semiconductors

NXP Semiconductors
LPC178x_7x
Objective data sheet
11.7 I
Table 19.
T
Symbol
f
t
t
t
2
amb
SCL
f
LOW
HIGH
Fig 22. SSP slave timing in SPI mode
C-bus
SCK (CPOL = 0)
SCK (CPOL = 1)
=
−
40
°
Dynamic characteristic: I
C to +85
MOSI
MISO
MOSI
MISO
Parameter
SCL clock
frequency
fall time
LOW period of
the SCL clock
HIGH period of
the SCL clock
All information provided in this document is subject to legal disclaimers.
°
C.
[2]
Rev. 00.04 — 8 July 2010
DATA VALID
DATA VALID
[4][5][6][7]
t
v(Q)
DATA VALID
T
DATA VALID
2
cy(clk)
C-bus pins
Conditions
Standard-mode
Fast-mode
Fast-mode Plus
of both SDA and
SCL signals
Standard-mode
Fast-mode
Fast-mode Plus
Standard-mode
Fast-mode
Fast-mode Plus
Standard-mode
Fast-mode
Fast-mode Plus
t
v(Q)
t
DS
DATA VALID
DATA VALID
[1]
t
clk(H)
32-bit ARM Cortex-M3 microcontroller
t
DH
t
DS
DATA VALID
DATA VALID
Min
0
0
0
-
20 + 0.1 × C
-
4.7
1.3
0.5
4.0
0.6
0.26
t
clk(L)
t
DH
t
h(Q)
LPC178x/7x
b
t
h(Q)
© NXP B.V. 2010. All rights reserved.
Max
100
400
1
300
300
120
-
-
-
-
-
-
CPHA = 1
CPHA = 0
002aae830
89 of 112
Unit
kHz
kHz
MHz
ns
ns
ns
μs
μs
μs
μs
μs
μs