MCIMX251AJM4AR2 Freescale Semiconductor, MCIMX251AJM4AR2 Datasheet - Page 104
MCIMX251AJM4AR2
Manufacturer Part Number
MCIMX251AJM4AR2
Description
Processors - Application Specialized IMX25 1.2 AUTO
Manufacturer
Freescale Semiconductor
Datasheet
1.MCIMX251AJM4AR2.pdf
(140 pages)
Specifications of MCIMX251AJM4AR2
Core
ARM926EJ-S
Processor Series
MCIMX25
Maximum Clock Frequency
400 MHz
Instruction / Data Cache Memory
16 KB
Data Ram Size
128 KB
Operating Supply Voltage
1.15 V to 1.52 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
MAPBGA-400
Interface Type
USB
Memory Type
DDR2
Minimum Operating Temperature
- 40 C
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3.7.17
The following subsections describe SSI timing in four cases:
3.7.17.1
Figure 78
parameters (SS1–SS52).
104
Symbol
•
•
•
•
t
t
t
t
t
cyc
rss
rsh
dh
ds
Transmitter with external clock
Receiver with external clock
Transmitter with internal clock
Receiver with internal clock
shows the timing for SSI transmitter with internal clock, and
Synchronous Serial Interface (SSI) Timing
AUDn_TXFS (wl)
AUDn_TXFS (bl)
Parallel clock cycle time
Data setup time
Data hold time
Register select setup time
Register select hold time
SSI Transmitter Timing with Internal Clock
AUDn_RXD
AUDn_TXC
AUDn_TXD
Note: SRXD Input in Synchronous mode only
(Output)
(Output)
(Output)
(Output)
(Input)
Figure 78. SSI Transmitter with Internal Clock Timing Diagram
i.MX25 Applications Processor for Automotive Products, Rev. 9
Parameter
Table 80. SLCDC Parallel Interface Timing Parameters
SS2
SS6
SS1
78 ( ) t
(t
(t
(t
(t
SS10
cyc
cyc
cyc
cyc
SS16
SS8
/ 2) ( ) t
/ 2) ( ) t
/ 2) ( ) t
/ 2) ( ) t
SS42
prop
SS43
SS5
SS4
prop
prop
prop
prop
Min.
SS14
SS17
Table 81
SS3
SS15
Typ.
—
—
—
—
—
SS19
describes the timing
SS18
Freescale Semiconductor
SS12
Max.
4923
—
—
—
—
Units
ns
—
—
—
—
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