MCIMX31LVKN5 Freescale Semiconductor, MCIMX31LVKN5 Datasheet - Page 92
MCIMX31LVKN5
Manufacturer Part Number
MCIMX31LVKN5
Description
IC MPU MAP I.MX31L 457-MAPBGA
Manufacturer
Freescale Semiconductor
Series
i.MX31r
Datasheet
1.MCIMX31LITEKITC.pdf
(122 pages)
Specifications of MCIMX31LVKN5
Core Processor
ARM11
Core Size
32-Bit
Speed
532MHz
Connectivity
1-Wire, ATA, EBI/EMI, FIR, I²C, MMC/SD, PCMCIA, SIM, SPI, SSI, UART/USART, USB, USB OTG
Peripherals
DMA, LCD, POR, PWM, WDT
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.22 V ~ 3.3 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
457-MAPBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of I /o
-
Eeprom Size
-
Program Memory Size
-
Data Converters
-
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Electrical Characteristics
4.3.20.2.2
The sequence of reset for this kind of card is as follows (see
92
1. After powerup, the clock signal is enabled on CLK (time T0)
2. After 200 clock cycles, RX must be high.
3. RST must remain Low for at least 40000 clock cycles after T0 (no response is to be received on
4. RST is set High (time T1)
5. RST must remain High for at least 40000 clock cycles after T1 and a response must be received
SVEN
CLK
RX
SVEN
RST
CLK
RX
RX during those 40000 clock cycles)
on RX between 400 and 40000 clock cycles after T1.
Cards with Active Low Reset
T0
T0
1
1
2
Figure 75. Active-Low-Reset Card Reset Sequence
Figure 74. Internal-Reset Card Reset Sequence
MCIMX31/MCIMX31L Technical Data, Rev. 4.1
3
response
T1
400000 clock cycles <
400 clock cycles <
400 clock cycles <
Figure
2
75):
3
2
1
1
2
3
< 200 clock cycles
< 200 clock cycles
< 40000 clock cycles
< 40000 clock cycles
response
Freescale Semiconductor