MCIMX515DJM8C Freescale, MCIMX515DJM8C Datasheet - Page 140

• Manufacturer Part Number: MCIMX515DJM8C
• Manufacturer: Freescale

Specifications of MCIMX515DJM8C

• Operating Temperature (min): -20C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Electrical Characteristics
UART IrDA Mode Transmitter
Figure 97
the transmit timing characteristics.
UART IrDA Mode Receiver
Figure 98
the receive timing characteristics.
140
1
2
1
F
Tref_clk: The period of UART reference clock ref_clk (ipg_perclk after RFDIV divider).
The UART receiver can tolerate 1/(16×F
not exceed 3/(16×F
UA3
UA4
UA5
UA6
baud_rate
ID
ID
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.
: Baud rate frequency. The maximum baud rate the UART can support is (ipg_perclk frequency)/16.
Receive Bit Time
Transmit Bit Time in
Transmit IR Pulse
Receive IR Pulse
Parameter
IrDA mode
Parameter
IrDA mode
Duration
Duration
i.MX51 Applications Processors for Consumer and Industrial Products, Rev. 4
baud_rate
Figure 97. UART IrDA Mode Transmit Timing Diagram
Figure 98. UART IrDA Mode Receive Timing Diagram
1
Table 109. IrDA Mode Transmit Timing Parameters
).
Table 110. IrDA Mode Receive Timing Parameters
in
Symbol
Symbol
t
t
RIRpulse
TIRpulse
t
t
RIRbit
TIRbit
baud_rate
(3/16)×(1F
1/F
) tolerance in each bit. But accumulation tolerance in one frame must
1/(16×F
baud_rate
1/F
1.41 us
baud_rate
baud_rate
Min
Min
baud_rate
1
-T
ref_clk
2
)-T
-
)
ref_clk
2
(3/16)×(1F
(5/16)×(1/F
1/F
1/(16×F
1/F
baud_rate
baud_rate
baud_rate
Max
Max
baud_rate
baud_rate
+T
Freescale Semiconductor
ref_clk
)+T
+
)
ref_clk
)
Table 110
Table 109
Units
Units
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lists
lists