參數(shù)資料
型號： IDT82P2521BH
廠商： IDT, Integrated Device Technology Inc
文件頁數(shù)： 127/147頁
文件大?。?/td> 0K
描述： IC LIU E1 21+1CH SHORT 640-PBGA
標(biāo)準(zhǔn)包裝： 5
類型： 線路接口裝置（LIU）
規(guī)程： E1
電源電壓： 3.135 V ~ 3.465 V
安裝類型： 表面貼裝
封裝/外殼： 640-BGA 裸露焊盤
供應(yīng)商設(shè)備封裝： 640-PBGA-EP（31x31）
包裝： 托盤
其它名稱： 82P2521BH
IDT82P2521
21(+1) CHANNEL HIGH-DENSITY E1 LINE INTERFACE UNIT
Programming Information
80
December 7, 2005
GPIO - General Purpose I/O Pin Definition Register
CLKG - CLKE1 Generation Control 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)
Address: 1C0H
Type: Read / Write
Default Value: 0FH
Bit
Name
Description
7 - 4
-
Reserved.
3
CLKE1_EN
This bit controls whether the output on the CLKE1 pin is enabled.
0: The output is disabled. CLKE1 is in High-Z state.
1: The output is enabled. The frequency of CLKE1 is determined by the CLKE1 bit (b2, CLKG). (default)
2
CLKE1
This bit is valid only when the CLKE1_EN bit (b3, CLKG) is ‘1’. This bit selects the clock frequency output on the CLKE1 pin.
0: 8 KHz.
1: 2.048 MHz. (default)
1-
Reserved.
0-
Reserved.
76
54
3
2
1
0
-
LEVEL1
LEVEL0
DIR1
DIR0
7
654
321
0
--
---
--
-
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參數(shù)描述
IDT82P2521BHBLANK 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:21(1) Channel High-Density E1 Line Interface Unit
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