参数资料
型号: PI7C9X7952AFDE
厂商: Pericom
文件页数: 7/68页
文件大小: 0K
描述: IC PCIE-TO-UART BRIDGE 128LQFP
标准包装: 90
应用: PCIe至UART桥接
接口: 高级配置电源接口(ACPI)
电源电压: 1.8V, 3.3V
封装/外壳: 128-LQFP 裸露焊盘
供应商设备封装: 128-LQFP(14x14)
包装: 托盘
安装类型: 表面贴装
PI7C9X7952
PCI Express Dual UART
Datasheet
Page 15 of 68
May 2013 – Revision 1.4
Pericom Semiconductor
PIN NO.
NAME
TYPE
DESCRIPTION
59, 60, 61,
62, 65, 66,
67, 68, 87,
88, 89, 90,
91, 92, 93,
94, 97, 102,
103, 104,
105, 111,
112, 113,
114, 119,
120, 121,
122, 123,
124, 125,
126
NC
These pins can be left floating.
4.2.5.
EEPROM INTERFACE
PIN NO.
NAME
TYPE
DESCRIPTION
11
SR_CS
O
EEPROM Chip Select: SR_CS is an output signal with a weak
internal pull-up resistor.
10
SR_DO
O
EEPROM Data Output: Serial data output interface to the
EEPROM. SR_DO is an output signal with a weak internal pull-up
resistor.
9
SR_DI
I
EEPROM Data Input: Serial data input interface to the EEPROM.
SR_DI is an input signal with a weak internal pull-up resistor.
8
SR_CLK_O
O
EEPROM Clock Output.
4.2.6.
POWER PINS
PIN NO.
NAME
I/O
DESCRIPTION
12, 20, 33,
53, 69, 98,
99, 127, 128
VDDC
P
1.8 V Power Pin: Used as digital core power pins.
17, 30, 32,
VDDA
P
1.8 V Power Pin: Used as analog core power pins.
1, 2, 40, 41,
63, 95, 115,
116
VDDR
P
3.3 V Power Pin: Used as digital I/O power pins.
25, 34
VDDCAUX
P
1.8 V Power Pin: Used as auxiliary power pins.
21
VTT
P
1.8V Termination Voltage: Provides driver termination voltage at
transmitter. Should be given the same consideration as VDDCAUX.
3, 4, 13, 15,
19, 24, 27,
31, 35, 42,
54, 64, 70,
96, 100, 101,
117, 118
VSS
P
Ground Pin: Used as ground pins.
13-0092
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