MCIMX35WPDKJ Freescale Semiconductor, MCIMX35WPDKJ Datasheet - Page 123

• Manufacturer Part Number: MCIMX35WPDKJ
• Description: BOARD DEV FOR I.MX35
• Manufacturer: Freescale Semiconductor
• Series: i.MX35r
• Type: MPUr

Specifications of MCIMX35WPDKJ

• Contents: Module and Misc Hardware
• Processor To Be Evaluated: i.MX35
• Processor Series: i.MX35
• Data Bus Width: 32 bit
• Interface Type: RS-232, Ethernet, USB, CAN, JTAG
• Core: ARM11
• For Use With/related Products: i.MX35
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1
2
4.9.23.2.14 UART IrDA Mode Receiver
Figure 100
the receive timing characteristics.
1
2
4.9.24
In order to support four different serial interfaces, the USB serial transceiver can be configured to operate
in one of four modes:
Freescale Semiconductor
F
T
exceed 3/(16 × F
F
The UART receiver can tolerate 1/(16 × F
ref_clk
baud_rate
(input)
baud_rate
UA3
UA4
UA5
UA6
•
•
•
•
RXD
ID
ID
: The period of UART reference clock ref_clk ( ipg_perclk after RFDIV divider).
DAT_SE0 bidirectional, 3-wire mode
DAT_SE0 unidirectional, 6-wire mode
VP_VM bidirectional, 4-wire mode
VP_VM unidirectional, 6-wire mode
: 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 receive timing, with 8 data bit/1 stop bit format.
Receive bit time
Receive IR pulse duration
USB Electrical Specifications
Start
Bit
baud_rate
Transmit bit time in IrDA mode
UA5
i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 9
Transmit IR pulse duration
Bit 0
).
1
Parameter
Parameter
Figure 100. UART IrDA Mode Receive Timing Diagram
in IrDA mode
Table 81. IrDA Mode Transmit Timing Parameters
Table 82. IrDA Mode Receive Timing Parameters
Bit 1
baud_rate
Bit 2
UA5
) tolerance in each bit. But accumulation tolerance in one frame must not
Bit 3
Symbol
t
Symbol
t
TIRpulse
RIRpulse
t
t
TIRbit
RIRbit
Bit 4
(3/16) × (1/F
1/(16 × F
1/F
1/F
UA6
baud_rate
– T
Bit 5
1.41 us
baud_rate
T
Min.
ref_clk
Min.
ref_clk
baud_rate
baud_rate
2
2
1
Bit 6
–
–
)
)
(5/16) × (1/F
(3/16) × (1/F
1/F
1/(16 × F
1/F
Bit 7
baud_rate
baud_rate
+ T
UA5
Max.
Max.
ref_clk
baud_rate
baud_rate
Possible
+ T
baud_rate
Parity
Table 82
Bit
+
ref_clk
UA5
)
)
)
STOP
Units
Units
BIT
—
lists
—
—
—
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