MCIMX515DJM8C Freescale, MCIMX515DJM8C Datasheet - Page 139

• 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

4.7.16.1.1
UART Transmitter
Figure 95
Table 107
UART Receiver
Figure 96
serial mode receive timing characteristics.
4.7.16.1.2
The following subsections give the UART transmit and receive timings in IrDA mode.
Freescale Semiconductor
1
2
1
2
1/F
T
UA1
ref_clk
ID
The UART receiver can tolerate 1/(16×Fbaud_rate) tolerance in each bit. But accumulation tolerance in one frame must
not exceed 3/(16×Fbaud_rate).
F
UA1
baud_rate
baud_rate
ID
: The period of UART reference clock ref_clk (ipg_perclk after RFDIV divider).
depicts the RS-232 serial mode receive timing, with 8 data bit/1 stop bit format.
depicts the transmit timing of UART in RS-232 serial mode, with 8 data bit/1 stop bit format.
lists the UART RS-232 serial mode transmit timing characteristics.
: 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.
UART RS-232 Serial Mode Timing
UART IrDA Mode Timing
Receive Bit Time
Parameter
Transmit Bit Time
i.MX51 Applications Processors for Consumer and Industrial Products, Rev. 4
Parameter
Figure 95. UART RS-232 Serial Mode Transmit Timing Diagram
Table 107. UART RS-232 Serial Mode Transmit Timing Diagram
Table 108. UART RS-232 Serial Mode Transmit Timing Diagram
Figure 96. UART RS-232 Serial Mode Receive Timing Diagram
1
Symbol
t
Rbit
Symbol
1/F
t
Tbit
baud_rate
1/F
2
-1/(16×F
baud_rate
Min
Min
1
baud_rate
-T
ref_clk
)
2
1/F
baud_rate
1/F
baud_rate
Max
+1/(16×F
Max
+T
Electrical Characteristics
ref_clk
baud_rate
Table 108
)
Units
Units
—
—
lists
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