PI7C9X7952AFDE Pericom Semiconductor, PI7C9X7952AFDE Datasheet - Page 52

• Manufacturer Part Number: PI7C9X7952AFDE
• Description: IC PCIE-TO-UART BRIDGE 128LQFP
• Manufacturer: Pericom Semiconductor

Specifications of PI7C9X7952AFDE

• Applications: PCIe-to-Uart Bridge
• Interface: Advanced Configuration Power Interface (ACPI)
• Voltage - Supply: 1.8V, 3.3V
• Package / Case: 128-LQFP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.2.5.
7.2.6.
September 2009 – Revision 1.3
Pericom Semiconductor
FIFO CONTROL REGISTER – OFFSET 02h
LINE CONTROL REGISTER – OFFSET 03h
BIT
0
1
2
3
5:4
7:6
BIT
1:0
2
5:3
X
6
7
FUNCTION
FIFO Mode Enable
Rx FIFO Flush
Tx FIFO Flush
Reserved
Tx Trigger Level
Rx Trigger Level
FUNCTION
Data Length
Stop-Bit Length
Parity Type
1
1
1
09-0087
1
1
1
0
1
0
WO
WO
WO
WO
WO
WO
RW
RW
RW
TYPE
TYPE
Page 52 of 68
1
0
0
DESCRIPTION
0b: Disable the FIFO mode
1b: Enable the FIFO mode
Reset to 0b.
0b: No action
1b: Reset the receive FIFO, self-clear after resetting the FIFO
Reset to 0b.
0b: No action
1b: Reset the transmit FIFO, self-clear after resetting the FIFO
Reset to 0b.
Reset to 0b
In the Enhanced Mode:
00b: 16
01b: 32
10b: 64
11b: 112
Reset to 00b.
In the Non-Enhanced mode
00b: 1
01b: 4
10b: 8
11b: 14
Reset to 00b.
DESCRIPTION
00b: 5-bit data length
01b: 6-bit data length
10b: 7-bit data length
11b: 8-bit data length
Reset to 00b.
Reset to 0b.
Reset to 000b.
Bit 2 value
0
1
1
Bit 5
X
0
0
1
1
0
0
0
Bit 4
X
0
1
0
1
0
0
0
Data length
5,6,7,8
5
6,7,8
Bit 3
0
1
1
1
1
0
0
0
In the Enhanced mode
00b: 15
01b: 31
10b: 63
11b: 111
Parity selection
No parity
Odd parity
Even parity
Mark
Space
0
0
1
PCI Express® Dual UART
Xoff or special
character detected
CTS or RTS state
changed
No interrupt pending
Stop bit length
1
1.5
2
PI7C9X7952
Datasheet