參數(shù)資料
型號(hào)： 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)： 43/172頁
文件大?。?/td> 2218K
代理商： MCIMX514AJM6C
Electrical Characteristics
i.MX51A Automotive and Infotainment Applications Processors, Rev. 4
Freescale Semiconductor
137
4.7.16.1.1
UART RS-232 Serial Mode Timing
UART Transmitter
Figure 95 depicts the transmit timing of UART in RS-232 serial mode, with 8 data bit/1 stop bit format.
Table 107 lists the UART RS-232 serial mode transmit timing characteristics.
Figure 95. UART RS-232 Serial Mode Transmit Timing Diagram
UART Receiver
Figure 96 depicts the RS-232 serial mode receive timing, with 8 data bit/1 stop bit format. Table 108 lists
serial mode receive timing characteristics.
Figure 96. UART RS-232 Serial Mode Receive Timing Diagram
4.7.16.1.2
UART IrDA Mode Timing
The following subsections give the UART transmit and receive timings in IrDA mode.
Table 107. UART RS-232 Serial Mode Transmit Timing Diagram
ID
Parameter
Symbol
Min
Max
Units
UA1
Transmit Bit Time
tTbit
1/Fbaud_rate
1-T
ref_clk
2
1 1/F
baud_rate: Baud rate frequency. The maximum baud rate the UART can support is (ipg_perclk frequency)/16.
2 T
ref_clk: The period of UART reference clock ref_clk (ipg_perclk after RFDIV divider).
1/Fbaud_rate+Tref_clk
—
Table 108. UART RS-232 Serial Mode Transmit Timing Diagram
ID
Parameter
Symbol
Min
Max
Units
UA1
Receive Bit Time1
1 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).
tRbit
1/Fbaud_rate
2-1/(16×F
baud_rate)
2 F
baud_rate: Baud rate frequency. The maximum baud rate the UART can support is (ipg_perclk frequency)/16.
1/Fbaud_rate+1/(16×Fbaud_rate)—
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MCIMX514AJM6CR2 制造商:Freescale Semiconductor 功能描述:ELVIS 3.0 AUTO - Tape and Reel
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MCIMX515DJM8C 制造商:Freescale Semiconductor 功能描述:; LEADED PROCESS COMPATIBLE:YES; PEAK RE
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