参数资料
型号: IDT82P2828BHG
厂商: IDT, Integrated Device Technology Inc
文件页数: 136/154页
文件大小: 0K
描述: IC LIU T1/J1/E1 28+1CH 640-PBGA
标准包装: 5
类型: 线路接口装置(LIU)
规程: E1
电源电压: 3.13 V ~ 3.47 V
安装类型: 表面贴装
封装/外壳: 640-BGA 裸露焊盘
供应商设备封装: 640-PBGA-EP(31x31)
包装: 托盘
其它名称: 82P2828BHG
IDT82P2828
28(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
Programming Information
82
February 6, 2009
GPIO - General Purpose I/O Pin Definition Register
Address: 100H
Type: Read / Write
Default Value: 0FH
Bit
Name
Description
7 - 4
-
Reserved.
3
LEVEL1
When the GPIO1 pin is defined as output, this bit determines the output level on GPIO1 and can be read and written.
0: Output low level.
1: Output high level. (default)
When the GPIO1 pin is defined as input, this bit indicates the input level on GPIO1 and can only be read.
0: Input low level.
1: Input high level. (default)
2
LEVEL0
When the GPIO0 pin is defined as output, this bit determines the output level on GPIO0 and can be read and written.
0: Output low level.
1: Output high level.
When the GPIO0 pin is defined as input, this bit indicates the input level on GPIO0 and can only be read.
0: Input low level.
1: Input high level. (default)
1
DIR1
This bit determines whether the GPIO1 pin is used as output or input.
0: Output.
1: Input. (default)
0
DIR0
This bit determines whether the GPIO0 pin is used as output or input.
0: Output.
1: Input. (default)
76
54
3
2
1
0
-
LEVEL1
LEVEL0
DIR1
DIR0
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