MITX-6553 COM
来自ARM Wiki
COM1_4：
信号名称 Pin Pin 信号名称 COM1_DCD_N 1 2 COM1_DSR_N COM1_RXD 3 4 COM1_RTS_N COM1_TXD 5 6 COM1_CTS_N COM1_DTR_N 7 8 COM1_RT_N GND 9 10 GND NC 11 12 NC COM2_RXD 13 14 NC COM2_TXD 15 16 NC NC 17 18 NC GND 19 20 GND COM3_B 21 22 NC COM3_RXD 23 24 NC COM3_TXD 25 26 NC NC 27 28 NC GND 29 30 GND COM4_B 31 32 NC COM4_RXD 33 34 NC COM4_TXD 35 36 NC NC 37 38 NC GND 39 40 GND
JCOM1_4：
信号名称 Pin Pin 信号名称 COM1_DCD_N||1||2||COM1_DSR_N COM1_RXD||3||4||COM1_RTS_N COM1_TXD||5||6||COM1_CTS_N COM1_DTR_N||7||8||COM1_RT_N GND||9||10||GND NC||11||12||NC COM2_RXD||13||14||NC COM2_TXD||15||16||NC NC||17||18||NC GND||19||20||GND COM3_B||21||22||NC COM3_RXD||23||24||NC COM3_TXD||25||26||NC NC||27||28||NC GND||29||30||GND COM4_B||31||32||NC COM4_RXD||33||34||NC COM4_TXD||35||36||NC NC||37||38||NC GND||39||40||GND