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Module Description
3.9
Serial Ports
The CMx-BTx module provides up to four serial ports through an LPC-to-UART Bridge
(NCT5104D from Nuvoton.) All four serial ports are capable of running as RS232, RS422, or
RS485, and each supports the following features:
16650-compatible UART with 128-byte send/receive FIFO
Programmable baud rate generator
5, 6, 7 or 8-bit characters
Even, odd or no parity bit generation / detection
1, 1.5 or 2 stop-bit generation
Loop-back controls for communications link fault isolation
Break, parity, overrun, framing error simulation
Speeds up to 115.2 kbaud in normal mode
Up to 1.5 Mbaud in high speed mode (requires a custom BIOS, available on request)
The two COM ports COM2 and COM3 are fully implemented COM ports, supporting all nine
defined signals, while the two COM ports COM0 and COM1 support only RXD, TXD and their
corresponding handshake signals RTS# and CTS#.
The COM0 and COM1 are bundled on a Hirose DF13-9 connector (V) with the following pin out:
Table 3-10: COM0 and COM1 Serial Port Signal Definitions (CN17)
Pin#
RS232
RS485
DB9 - COM0
DB9 - COM1
1
COM0_RX COM0_RX-
Pin
2
N/A
2
COM0_RTS#
Pin 7
N/A
3
COM0_TX
COM0_TX-
Pin 3
N/A
4
COM0_CTS#
Pin 8
N/A
5
GND
Not Used
Pin 5
Pin 5
6
COM1_RX
COM1_RX-
N/A
Pin 2
7
COM1_RTS#
N/A Pin
7
8
COM1_TX
COM1_TX-
N/A Pin
3
9
COM1_CTS#
N/A Pin
8
Standard
DB9
Connector
5
4
3
2
1
9
8
7
6
CN17
Содержание CM1-BT1
Страница 5: ...iv...
Страница 9: ...viii...
Страница 15: ...6 Introduction...
Страница 23: ...14 Getting Started BLANK PAGE...
Страница 53: ...44 Using the Module 4 4 2 Main System Management 4 4 3 Main System Management Board Information...
Страница 55: ...46 Using the Module 4 4 6 Main System Management Runtime Statistics 4 4 7 Main System Management Flags...
Страница 56: ...Using the Module 47 CMx BTx 4 4 8 Main System Management Power Up 4 4 9 Main System Management LVDS Backlight...
Страница 57: ...48 Using the Module 4 4 10 Main System Management Smart Fan 4 4 11 Advanced...
Страница 62: ...Using the Module 53 CMx BTx 4 4 20 Advanced SATA Configuration 4 4 21 Advanced USB Configuration...
Страница 63: ...54 Using the Module 4 4 22 Advanced USB Configuration USB Configuration 4 4 23 Advanced SDIO Configuration...
Страница 64: ...Using the Module 55 CMx BTx 4 4 24 Advanced Network Configuration 4 4 25 Advanced Audio Configuration...
Страница 68: ...Using the Module 59 CMx BTx 4 4 32 Advanced ACPI Settings 4 4 33 Advanced Serial Port Console Redirection...
Страница 70: ...Using the Module 61 CMx BTx 4 4 36 Advanced Security Configuration 4 4 37 Advanced Miscellaneous...
Страница 74: ...Using the Module 65 CMx BTx 4 4 44 Advanced Mini PCIe slot function 4 4 45 Advanced USB Controls...
Страница 76: ...Using the Module 67 CMx BTx 4 4 48 Security 4 4 49 Boot...
Страница 77: ...68 Using the Module 4 4 50 Boot CSM Configuration 4 4 51 Boot Delete Boot Option...