MCIMX27MOP4A Freescale Semiconductor, MCIMX27MOP4A Datasheet - Page 75

• Manufacturer Part Number: MCIMX27MOP4A
• Description: IC MPU I.MX27 19X19 473MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX27r

Specifications of MCIMX27MOP4A

• Core Processor: ARM9
• Core Size: 32-Bit
• Speed: 400MHz
• Connectivity: 1-Wire, CAN, EBI/EMI, Ethernet, I²C, MMC, SmartCard, SPI, SSI, UART/USART, USB OTG
• Peripherals: DMA, LCD, POR, PWM, WDT
• Program Memory Type: ROMless
• Ram Size: 45K x 8
• Voltage - Supply (vcc/vdd): 1.38 V ~ 1.52 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 473-LFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of I /o: -
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Freescale Semiconductor
SD11
SD12
SD1
SD2
SD3
SD4
SD5
SD6
SD7
ID
SDCLK
SDCLK
ADDR
DQM
RAS
CAS
WE
DQ
CS
SDRAM clock low-level width
SDRAM clock cycle time
Address setup time
SDRAM clock high-level width
CS, RAS, CAS, WE, DQM, CKE setup time
CS, RAS, CAS, WE, DQM, CKE hold time
Address hold time
Precharge cycle period
Active to read/write command delay
SD4
SD6
BA
Figure 38. SDR SDRAM Write Cycle Timing Diagram
Table 38. SDR SDRAM Write Timing Parameters
SD5
SD7
1
Parameter
i.MX27 and i.MX27L Data Sheet, Rev. 1.6
SD11
1
ROW / BA
SD12
SD1
SD3
SD4
SD13
Symbol
tCMH
tCMS
tRCD
tCH
tCK
tRP
tCL
tAS
tAH
SD4
SD4
COL/BA
SD2
DATA
SD5
SD5
SD5
SD14
Min
3.4
3.4
7.5
2.0
1.8
2.0
1.8
1
1
Electrical Characteristics
Max
4.1
4.1
—
—
—
—
—
4
8
clock
clock
Unit
ns
ns
ns
ns
ns
ns
ns
75