MCIMX357CJQ5C Freescale Semiconductor, MCIMX357CJQ5C Datasheet - Page 106

• Manufacturer Part Number: MCIMX357CJQ5C
• Description: MPU MX35 ARM11 400-MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX35r

Specifications of MCIMX357CJQ5C

• Core Processor: ARM11
• Core Size: 32-Bit
• Speed: 532MHz
• Connectivity: 1-Wire, CAN, EBI/EMI, Ethernet, I²C, MMC, SPI, SSI, UART/USART, USB OTG
• Peripherals: DMA, I²S, LCD, POR, PWM, WDT
• Number Of I /o: 96
• Program Memory Type: ROMless
• Ram Size: 128K x 8
• Voltage - Supply (vcc/vdd): 1.33 V ~ 1.47 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 400-MAPBGA
• Processor Series: i.MX357
• Core: ARM1136JF-S
• Data Bus Width: 32 bit
• Data Ram Size: 128 KB
• Interface Type: I2C, JTAG, UART
• Maximum Clock Frequency: 532 MHz
• Number Of Timers: 3
• Operating Supply Voltage: 1.33 V to 1.47 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

1
2. Make ton and toff large enough to avoid bus contention.
106
There is a special timing requirement in the ATA host that requires the internal DIOW to go high three clocks after the last active
edge on the DSTROBE signal. The equation given on this line tries to capture this constraint.
Parameter
tdzfs
ATA
tenv
tzah
tack
tcyc
tcvh
tmli
tds
tdh
trp
—
—
Parameters
Figure
Figure
Figure 82
i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 9
from
tdzfs
tmli1
tds1
tdh1
tzah
tack
tenv
tx1
tcvh
tc1
ton
toff
trp
Figure 82. UDMA-In Device Terminates Transfer Timing Diagram
1
80,
81,
tack (min.) = (time_ack × T) – (tskew1 + tskew2)
tenv (min.) = (time_env × T) – (tskew1 + tskew2)
tenv (max.) = (time_env × T) + (tskew1 + tskew2)
tds – (tskew3) – ti_ds > 0
tdh – (tskew3) – ti_dh > 0
(tcyc – tskew > T
trp (min.) = time_rp × T – (tskew1 + tskew2 + tskew6)
(time_rp × T) – (tco + tsu + 3T + 2 × tbuf + 2 × tcable2) > trfs (drive)
tmli1 (min.) = (time_mlix + 0.4) × T
tzah (min.) = (time_zah + 0.4) × T
tdzfs = (time_dzfs × T) – (tskew1 + tskew2)
tcvh = (time_cvh × T) – (tskew1 + tskew2)
ton = time_on × T – tskew1
toff = time_off × T – tskew1
Table 69. UDMA-In Burst Timing Parameters
Description
Freescale Semiconductor
should be low enough
Controlling Variable
tskew3, ti_ds, ti_dh
T big enough
time_dzfs
time_mlix
time_ack
time_env
time_zah
time_cvh
time_rp
time_rp
—