MCIMX6Q4AVT10ACR Freescale Semiconductor, MCIMX6Q4AVT10ACR Datasheet - Page 136

• Manufacturer Part Number: MCIMX6Q4AVT10ACR
• Description: Processors - Application Specialized i.MX6Q
• Manufacturer: Freescale Semiconductor
• Type: Multimedia Applicationsr

Specifications of MCIMX6Q4AVT10ACR

• Core: ARM Cortex A9
• Processor Series: i.MX6
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 1 GHz
• Data Ram Size: 256 KB
• Operating Supply Voltage: 1.05 V to 1.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: FCBGA-624
• Interface Type: I2C, I2S, UART, USB
• Memory Type: L1/L2 Cache, ROM, SRAM
• Minimum Operating Temperature: - 40 C
• Number Of Timers: 2

1
2
1
2
Electrical Characteristics
4.11.21.2.3 UART IrDA Mode Timing
The following subsections give the UART transmit and receive timings in IrDA mode.
UART IrDA Mode Transmitter
Figure 102
the transmit timing characteristics.
UART IrDA Mode Receiver
Figure 103
the receive timing characteristics.
136
UA3
UA4
UARTx_TX_DATA
UARTx_RX_DATA
ID
UA5
UA6
F
T
exceed 3/(16  F
F
ID
The UART receiver can tolerate 1/(16  F
ref_clk
baud_rate
baud_rate
(output)
(input)
Transmit Bit Time in IrDA mode
Receive Bit Time
Receive IR Pulse Duration
: The period of UART reference clock ref_clk (ipg_perclk after RFDIV divider).
Transmit IR Pulse Duration
: 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 UART IrDA mode transmit timing, with 8 data bit/1 stop bit format.
depicts the UART IrDA mode receive timing, with 8 data bit/1 stop bit format.
Start
Start
Bit
Bit
Parameter
baud_rate
Parameter
i.MX 6Dual/6Quad Automotive and Infotainment Applications Processors, Rev. 2
UA5
UA3
1
Bit 0
).
Bit 0
in IrDA mode
Figure 102. UART IrDA Mode Transmit Timing Diagram
Figure 103. UART IrDA Mode Receive Timing Diagram
Table 94. IrDA Mode Transmit Timing Parameters
Table 95. IrDA Mode Receive Timing Parameters
Bit 1
Bit 1
Symbol
t
TIRpulse
t
Symbol
t
baud_rate
TIRbit
RIRpulse
t
RIRbit
Bit 2
Bit 2
UA5
UA3
) tolerance in each bit. But accumulation tolerance in one frame must not
(3/16)  (1/F
1/F
Bit 3
Bit 3
baud_rate
1/(16  F
1/F
baud_rate
baud_rate
1.41 s
Min
Bit 4
Min
Bit 4
1
baud_rate
– T
ref_clk
) – T
2
–
UA6
UA4
)
Bit 5
ref_clk
Bit 5
2
(3/16)  (1/F
Bit 6
Bit 6
(5/16)  (1/F
1/F
1/(16  F
1/F
baud_rate
Bit 7
Bit 7
baud_rate
baud_rate
Max
Max
Freescale Semiconductor
UA5
UA3
baud_rate
baud_rate
+ T
POSSIBLE
POSSIBLE
PARITY
+
PARITY
ref_clk
) + T
Table 95
BIT
Table 94
BIT
)
UA5
)
UA3
ref_clk
STOP
STOP
BIT
BIT
Unit
lists
lists
Unit
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