Pericom Semiconductor BIT FUNCTION TYPE DESCRIPTION 11:10 Rece" />
參數(shù)資料
型號(hào)： PI7C9X7952AFDE
廠商： Pericom
文件頁數(shù)： 27/68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
PI7C9X7952
PCI Express Dual UART
Datasheet
Page 33 of 68
May 2013 – Revision 1.4
Pericom Semiconductor
BIT
FUNCTION
TYPE
DESCRIPTION
11:10
Receive
Termination
Adjustment
HwInt
It indicates the status of the strapping pins RXTRMADJ[1:0]. The
default value may be changed by auto-loading from EEPROM.
13:12
Transmit
Termination
Adjustment
HwInt
It indicates the status of the strapping pins TXTRMADJ[1:0]. The
default value may be changed by auto-loading from EEPROM.
31:14
Reserved
RO
Reset to 00000h.
6.2.45. GPIO CONTROL REGISTER – OFFSET D8h
BIT
FUNCTION
TYPE
DESCRIPTION
7:0
GPIO Input
RO
The current state of the GPIO[x] pin can be read from bit[x] in this
register, where x=7 to 0. The bits are effective only when the
corresponding GPIO I/O Enable bits are set to “0”.
15:8
GPIO I/O Enable
RW
These 8 bits determine whether the GPIO pins are input or output
pins. Bit[x+8] corresponds to GPIO[x], where x=7 to 0. If the bit is
set to “0”, the corresponding GPIO pin is an input pin. If the bit is set
to “1”, the corresponding GPIO pin is an output pin.
23:16
GPIO Output
RW
The current state of the GPIO[x] pin can be written by bit[x+16] in
this register, where x=7 to 0. The bits are effective only when the
corresponding GPIO I/O Enable bits are set to “1”.
31:24
Reserved
RO
Reserved
6.2.46. EEPROM CONTROL REGISTER – OFFSET DCh
BIT
FUNCTION
TYPE
DESCRIPTION
0
EEPROM Start
RW
Starts the EEPROM read or write cycle.
Reset to 0b.
1
Reserved
RO
Reset to 0b.
2
EEPROM Preload
Control
RW
Enable preload start.
Reset to 0b.
4:3
EEPROM
Operation
Command
RW
EEPROM Operation Command.
00b: Reserved
01b: Write operation command
10b: Read operation command
11b: Reserved
Reset to 00b.
15:5
EEPROM Address
RW
EEPROM RW address.
Reset to 000h.
31:16
EEPROM Write
DATA Buffer
RW
EEPROM write data buffer register.
Reset to 0000h.
6.2.47. PCI EXPRESS CAPABILITY ID REGISTER – OFFSET E0h
BIT
FUNCTION
TYPE
DESCRIPTION
7:0
Enhanced
Capabilities ID
RO
Read as 10h to indicate that these are PCI express enhanced
capability registers.
6.2.48. NEXT ITEM POINTER REGISTER – OFFSET E0h
BIT
FUNCTION
TYPE
DESCRIPTION
15:8
Next Item Pointer
RO
Read as 00h. No other ECP registers.
Reset to 00h.
13-0092
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PI7C9X7952AFDEX 制造商:Pericom Semiconductor Corporation 功能描述:
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PI7C9X7954AFDE 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI X1 PCIE-UART 4 Channel Bridge RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
PI7C9X7958AEVB 制造商:Pericom Semiconductor Corporation 功能描述:7958A EVAL BOARD 制造商:Pericom Semiconductor Corporation 功能描述:EVAL BOARD PI7C9X7958A 制造商:Pericom Semiconductor Corporation 功能描述:8 Port PCI Express UART I/O Bridge Evaluation Board
PI7C9X7958ANBE 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI X1 PCIE-UART 8 Channel Bridge RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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