PI7C9X7954AFDE Pericom Semiconductor, PI7C9X7954AFDE Datasheet - Page 62

• Manufacturer Part Number: PI7C9X7954AFDE
• Description: IC PCIE-TO-UART BRIDGE 128LQFP
• Manufacturer: Pericom Semiconductor

Specifications of PI7C9X7954AFDE

• 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
• Transmitter And Receiver Fifo Counter: Yes
• Package Type: LQFP
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.2.29. RECEIVE FIFO DATA REGISTERS – OFFSET 100h ~ 17Fh
7.2.30. TRANSMIT FIFO DATA REGISTERS – OFFSET 100h ~ 17Fh
7.2.31. LINE STATUS FIFO REGISTERS –OFFSET 180h ~ 1FFh
September 2009 – Revision 1.3
Pericom Semiconductor
BIT
2
3
4
5
6
7
BIT
7:0
BIT
7:0
BIT
7:0
FUNCTION
RX Parity Error
RX Frame Error
RX Break Error
TX Empty
TX Complete
RX Data Error
FUNCTION
Receive FIFO Data
FUNCTION
Transmit FIFO
Data
FUNCTION
Line Status FIFO
09-0088
RO
RO
RO
RO
RO
RO
RO
WO
RO
TYPE
TYPE
TYPE
TYPE
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DESCRIPTION
0b: No parity error
1b: Parity error
Reset to 0b.
0b: No framing error
1b: Framing error
Reset to 0b.
0b: No break condition
1b: Break condition
Reset to 0b.
0b: Tx Holding Register is not empty.
1b: Tx Holding Register is empty.
Reset to 0b.
0b: Tx Shift Register is not empty.
1b: Tx Shift Register is empty.
Reset to 0b.
0b: No Rx FIFO error
1b: Rx FIFO error
Reset to 0b.
DESCRIPTION
This register is used to map RX FIFO data content.
Reset to 00h.
DESCRIPTION
This register is used to map TX FIFO to memory space.
Reset to 00h.
DESCRIPTION
This register is used to map FIFO data relative LSR content.
Reset to 00h.
PCI Express® Quad UART
PI7C9X7954
Datasheet