MCIMX6Q7CVT08AC Freescale Semiconductor, MCIMX6Q7CVT08AC Datasheet - Page 130

• Manufacturer Part Number: MCIMX6Q7CVT08AC
• Description: Processors - Application Specialized i.MX6Q
• Manufacturer: Freescale Semiconductor
• Type: Multimedia Applicationsr

Specifications of MCIMX6Q7CVT08AC

• Rohs: yes
• Core: ARM Cortex A9
• Processor Series: i.MX6
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 800 MHz
• Data Ram Size: 16 KB
• Maximum Operating Temperature: + 105
• Mounting Style: SMD/SMT
• Package / Case: FCBGA
• 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
4.11.20.2.3 UART IrDA Mode Timing
The following subsections give the UART transmit and receive timings in IrDA mode.
UART IrDA Mode Transmitter
Figure 98
the transmit timing characteristics.
UART IrDA Mode Receiver
Figure 99
the receive timing characteristics.
130
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
UA5
UA3
i.MX 6Dual/6Quad Applications Processors for Industrial Products, Rev. 2
1
Bit 0
).
Bit 0
in IrDA mode
Figure 98. UART IrDA Mode Transmit Timing Diagram
Figure 99. UART IrDA Mode Receive Timing Diagram
Table 85. IrDA Mode Transmit Timing Parameters
Table 86. 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
Table 86
) + T
Table 85
BIT
BIT
)
UA5
)
UA3
ref_clk
STOP
STOP
BIT
lists
BIT
Unit
lists
Unit
—
—
—
—