MCIMX257CJM4A Freescale, MCIMX257CJM4A Datasheet - Page 71

• Manufacturer Part Number: MCIMX257CJM4A
• Manufacturer: Freescale

Specifications of MCIMX257CJM4A

• Lead Free Status / RoHS Status: Compliant

Freescale Semiconductor
WE1
WE2
WE3
WE4
WE5
WE6
WE7
ID
BCLK cycle time
BCLK low-level width
BCLK high-level width
Clock fall to address valid
Clock rise/fall to address invalid
Clock rise/fall to CSx_B valid
Clock rise/fall to CSx_B invalid
Output Data
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 6
Address
CSx_B
LBA_B
EBy_B
RW_B
OE_B
BCLK
2
2
2
Input Data
DTACK_B
WE16
WE10
WE14
WE12
WE8
WE4
WE6
Table 54. WEIM Bus Timing Parameters
ECB_B
Figure 38. WEIM Bus Timing Diagram
BCLK
Parameter
WE22, WE23
WE18, WE19
WE1
WEIM Output Timing
WEIM Input Timing
WE26
WE2
...
WE20, WE21
WE24, WE25
WE27
WE3
1
WE11
WE5
WE7
WE15
WE17
WE9
WE13
Min.
14.5
3.3
15
22
15
7
7
Max.
21
25
19
—
—
—
5
Unit
ns
ns
ns
ns
ns
ns
ns
71