MCIMX253CVM4 Freescale Semiconductor, MCIMX253CVM4 Datasheet - Page 105

• Manufacturer Part Number: MCIMX253CVM4
• Description: IC MPU I.MX25 IND 400MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX25r

Specifications of MCIMX253CVM4

• Core Processor: ARM9
• Core Size: 32-Bit
• Speed: 400MHz
• Connectivity: 1-Wire, EBI/EMI, Ethernet, I²C, MMC, SmartCard, SPI, SSI, UART/USART, USB OTG
• Peripherals: DMA, I²S, LCD, POR, PWM, WDT
• Number Of I /o: 128
• Program Memory Type: External Program Memory
• Ram Size: 144K x 8
• Voltage - Supply (vcc/vdd): 1.15 V ~ 1.52 V
• Data Converters: A/D 3x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 400-LFBGA
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Compliant

3.7.17
The following subsections describe SSI timing in four cases:
3.7.17.1
Figure 78
parameters (SS1–SS52).
Freescale Semiconductor
Symbol
•
•
•
•
t
t
t
t
t
cyc
rss
rsh
ds
dh
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
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 8
(Output)
(Output)
(Output)
(Output)
(Input)
Figure 78. SSI Transmitter with Internal Clock Timing Diagram
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
SS12
Max.
4923
—
—
—
—
Units
ns
—
—
—
—
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