MCIMX253CVM4 Freescale Semiconductor, MCIMX253CVM4 Datasheet - Page 115

• 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

Figure 84
any value of N equal or greater than 1.
3.7.19
This section describes the timing of the UART module in serial and parallel mode.
3.7.19.1
3.7.19.1.1
Figure 85
bit.
Freescale Semiconductor
Table 86
(output)
TXD
represents the usage of the ADC with idle cycles between conversions. This diagram is valid for
shows the UART transmit timing in RS-232 serial mode, showing only 8 data bits and 1 stop
UART Timing
describes the timing parameter (UA1) shown in the figure.
UART RS-232 Serial Mode Timing
UART Transmit Timing in RS-232 Serial Mode
Start
UA1
Bit
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 8
Figure 85. UART RS-232 Serial Mode Transmit Timing Diagram
Figure 84. ADC Usage with Idle Cycles Between Conversions
Bit 0
Bit 1
Bit 2
Bit 3
UA1
Bit 4
Bit 5
Bit 6
Bit 7
Possible
Par Bit
Parity
UA1
Bit
STOP
UA1
BIT
Next
Start
Bit
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