Pericom Semiconductor 6 1 0 1 0 Xoff or special character dete" />
參數(shù)資料
型號(hào): PI7C9X7954AFDE
廠商: Pericom
文件頁數(shù): 50/70頁
文件大?。?/td> 0K
描述: IC PCIE-TO-UART BRIDGE 128LQFP
標(biāo)準(zhǔn)包裝: 90
應(yīng)用: PCIe至UART橋接
接口: 高級(jí)配置電源接口(ACPI)
電源電壓: 1.8V, 3.3V
封裝/外殼: 128-LQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 128-LQFP(14x14)
包裝: 托盤
安裝類型: 表面貼裝
PI7C9X7954
PCI Express Quad UART
Datasheet
Page 54 of 70
May 2013 – Revision 1.4
Pericom Semiconductor
6
1
0
1
0
Xoff or special
character detected
7
1
0
CTS or RTS state
changed
X
1
0
1
No interrupt pending
7.2.5.
FIFO CONTROL REGISTER – OFFSET 02h
BIT
FUNCTION
TYPE
DESCRIPTION
0
FIFO Mode Enable
WO
0b: Disable the FIFO mode
1b: Enable the FIFO mode
Reset to 0b.
1
Rx FIFO Flush
WO
0b: No action
1b: Reset the receive FIFO, self-clear after resetting the FIFO
Reset to 0b.
2
Tx FIFO Flush
WO
0b: No action
1b: Reset the transmit FIFO, self-clear after resetting the FIFO
Reset to 0b.
3
Reserved
WO
Reset to 0b
5:4
Tx Trigger Level
WO
In the Enhanced Mode:
00b: 16
01b: 32
10b: 64
11b: 112
Reset to 00b.
7:6
Rx Trigger Level
WO
In the Non-Enhanced mode
00b: 1
01b: 4
10b: 8
11b: 14
In the Enhanced mode
00b: 15
01b: 31
10b: 63
11b: 111
Reset to 00b.
7.2.6.
LINE CONTROL REGISTER – OFFSET 03h
BIT
FUNCTION
TYPE
DESCRIPTION
1:0
Data Length
RW
00b: 5-bit data length
01b: 6-bit data length
10b: 7-bit data length
11b: 8-bit data length
Reset to 00b.
2
Stop-Bit Length
RW
Bit 2 value
Data length
Stop bit length
0
5,6,7,8
1
5
1.5
1
6,7,8
2
Reset to 0b.
5:3
Parity Type
RW
Bit 5
Bit 4
Bit 3
Parity selection
X
0
No parity
0
1
Odd parity
0
1
Even parity
1
0
1
Mark
1
Space
Reset to 000b.
13-0093
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