PI7C9X7954AFDE Pericom Semiconductor, PI7C9X7954AFDE Datasheet - Page 64

• 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

September 2009 – Revision 1.3
Pericom Semiconductor
EEPROM
ADDRESS
14h
16h
18h
1Ah
1Ch
40h
PCIE REGISTER OFFSET
Offset B4h bit[31:16]
Bit[1:0] - Offset B8h bit[17:16]
Bit[3:2] - Offset B8h bit[19:18]
Bit[5:4] - Offset B8h bit[21:20]
Bit[13:0] - Offset C8h bit[13:0]
Bit[0] - Offset C4h bit[15]
Bit[15:8] - Offset 34h bit[7:0]
[7:0] - Offset 08h bit[7:0]
09-0088
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DEFAULT
12D8h
0000h
0200h
Value
01b
00b
00b
80h
00h
1b
DESCRIPTION
UART Transmitter Drive Enable:
RS232/422/485-2W/485-4W Selection for UART 4
to 7
PM Control Parameter: Determines whether this
bridge enters L1 or not when D3 condition occurs.
PM Control Parameter: Determines the delay
counter value when entering L1
PM Control Parameter: Determines whether this
bridge asserts L0s/L1 handshake protocol
PHY Parameter
Role Based Error Report Enable: Indicates
implement the role-base error reporting
Capability List Pointer: Points to a linked list of
new capabilities implemented by the device
Revision ID: Indicates revision number of device
Check Code
PCI Express® Quad UART
PI7C9X7954
Datasheet