MCIMX357DVM5B Freescale Semiconductor, MCIMX357DVM5B Datasheet - Page 122

• Manufacturer Part Number: MCIMX357DVM5B
• Description: PROCESSOR MULTIMEDIA 400PBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX35r

Specifications of MCIMX357DVM5B

• 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: -20°C ~ 70°C
• Package / Case: 400-BGA
• Operating Temperature (min): -20C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Embedded Interface Type: CAN, I2C, SPI, UART, USB
• Digital Ic Case Style: BGA
• No. Of Pins: 400
• Operating Temperature Range: -20°C To +70°C
• Processor Type: I.MX35
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Compliant

1
2
4.9.23.1.12 UART Receiver
Figure 98
serial mode receive timing characteristics.
1
2
4.9.23.2
The following subsections give the UART transmit and receive timings in IrDA mode.
4.9.23.2.13 UART IrDA Mode Transmitter
Figure 99
the transmit timing characteristics.
122
F
T
The UART receiver can tolerate 1/(16 × F
exceed 3/(16 × F
F
(output)
ref_clk
baud_rate
baud_rate
UA1
UA2
TXD
ID
(input)
ID
RXD
: The period of UART reference clock ref_clk ( ipg_perclk after RFDIV divider).
: Baud rate frequency. The maximum baud rate the UART can support is ( ipg_perclk frequency)/16.
: Baud rate frequency. The maximum baud rate the UART can support is ( ipg_perclk frequency) ÷ 16.
depicts the RS-232 serial mode receive timing, with 8 data bit/1 stop bit format.
depicts the UART IrDA mode transmit timing, with 8 data bit/1 stop bit format.
Transmit Bit Time
UART IrDA Mode Timing
Start
Bit
baud_rate
Start
UA2
Bit
UA3
i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 9
Figure 98. UART RS-232 Serial Mode Receive Timing Diagram
Bit 0
Receive Bit Time
).
Bit 0
Table 79. RS-232 Serial Mode Transmit Timing Parameters
Table 80. RS-232 Serial Mode Receive Timing Parameters
Parameter
Parameter
Figure 99. UART IrDA Mode Transmit Timing Diagram
Bit 1
Bit 1
baud_rate
1
Bit 2
Bit 2
UA3
) tolerance in each bit. But accumulation tolerance in one frame must not
UA2
Bit 3
Bit 3
Bit 4
Symbol
Symbol
t
t
Rbit
Tbit
Bit 4
Bit 5
1/(16 × F
1/F
1/F
Bit 6
UA4
baud_rate
baud_rate
T
Bit 5
ref_clk
Min.
Min.
baud_rate
2
Bit 7
1
2
–
–
Bit 6
)
Possible
Par Bit
Parity
UA2
1/(16 × F
Bit
1/F
1/F
Bit 7
baud_rate
baud_rate
T
STOP
Max.
Max.
Freescale Semiconductor
ref_clk
UA2
BIT
UA3
baud_rate
Possible
+
Parity
+
Table 81
Table 80
Bit
Next
Start
Bit
)
UA3
Units
Units
STOP
—
—
BIT
lists
lists