參數(shù)資料
型號: MCIMX514AJM6C
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PBGA529
封裝: 19 X 19 MM, 0.8 MM PITCH, ROHS COMPLIANT, BGA-529
文件頁數(shù): 44/172頁
文件大?。?/td> 2218K
代理商: MCIMX514AJM6C
i.MX51A Automotive and Infotainment Applications Processors, Rev. 4
138
Freescale Semiconductor
Electrical Characteristics
UART IrDA Mode Transmitter
Figure 97 depicts the UART IrDA mode transmit timing, with 8 data bit/1 stop bit format. Table 109 lists
the transmit timing characteristics.
Figure 97. UART IrDA Mode Transmit Timing Diagram
UART IrDA Mode Receiver
Figure 98 depicts the UART IrDA mode receive timing, with 8 data bit/1 stop bit format. Table 110 lists
the receive timing characteristics.
Figure 98. UART IrDA Mode Receive Timing Diagram
Table 109. IrDA Mode Transmit Timing Parameters
ID
Parameter
Symbol
Min
Max
Units
UA3
Transmit Bit Time in
IrDA mode
tTIRbit
1/Fbaud_rate
1-T
ref_clk
2
1 F
baud_rate: Baud rate frequency. The maximum baud rate the UART can support is (ipg_perclk frequency)/16.
2 Tref_clk: The period of UART reference clock ref_clk (ipg_perclk after RFDIV divider).
1/Fbaud_rate+Tref_clk
UA4
Transmit IR Pulse
Duration
tTIRpulse
(3/16)
×(1Fbaud_rate)-Tref_clk
(3/16)
×(1Fbaud_rate)+Tref_clk
Table 110. IrDA Mode Receive Timing Parameters
ID
Parameter
Symbol
Min
Max
Units
UA5
Receive Bit Time1 in
IrDA mode
1 The UART receiver can tolerate 1/(16×F
baud_rate) tolerance in each bit. But accumulation tolerance in one frame must
not exceed 3/(16
×Fbaud_rate).
tRIRbit
1/Fbaud_rate
2-
1/(16
×Fbaud_rate)
1/Fbaud_rate +
1/(16
×Fbaud_rate)
UA6
Receive IR Pulse
Duration
tRIRpulse
1.41 us
(5/16)
×(1/Fbaud_rate)—
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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