LM3S1960 Luminary Micro, Inc, LM3S1960 Datasheet - Page 482

• Manufacturer Part Number: LM3S1960
• Description: Lm3s1960 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Electrical Characteristics
21.2.6
482
a. This parameter is highly sensitive to PCB layout and trace lengths, which may make this parameter time longer. Care
Figure 21-3. Hibernation Module Timing
Synchronous Serial Interface (SSI)
Table 21-14. SSI Characteristics
Parameter No
Parameter No.
32.768 KHz
(internal)
must be taken in PCB design to minimize trace lengths and RLC (resistance, inductance, capacitance).
/WAKE
H4
H5
H6
H7
S1
S2
S3
S4
S5
S6
S7
S8
S9
/HIB
t
t
HIB_REG_WRITE
HIB_TO_VDD
Parameter
t
XOSC_SETTLE
Parameter
t
WAKETOHIB
t
t
t
clk_high
clk_low
clk_per
t
t
t
t
t
t
H1
DMd
DMs
DMh
DSs
DSh
clkrf
Parameter Name
SSIClk cycle time
SSIClk high time
SSIClk low time
SSIClk rise/fall time
Data from master valid delay time
Data from master setup time
Data from master hold time
Data from slave setup time
Data from slave hold time
/WAKE assert to /HIB desassert
XOSC settling time
Time for a write to non-volatile registers in HIB module to complete
HIB deassert to VDD and VDD25 at minimum operational level
Preliminary
a
Parameter Name
Min
20
40
20
40
2
0
-
-
-
Nom
1/2
1/2
7.4
-
-
-
-
-
-
H3
65024
Max
H4
26
20
-
-
-
-
-
-
system clocks
t clk_per
t clk_per
H2
Unit
ns
ns
ns
ns
ns
ns
Min
62
20
92
-
Nom
July 25, 2008
-
-
-
-
Max
124
250
-
-
Unit
ms
μs
μs
μs