TABLE
參數(shù)資料
型號: XRT75L03IVTR-F
廠商: Exar Corporation
文件頁數(shù): 62/92頁
文件大?。?/td> 0K
描述: IC LIU E3/DS3/STS-1 3CH 128LQFP
標(biāo)準(zhǔn)包裝: 750
類型: 線路接口裝置(LIU)
驅(qū)動器/接收器數(shù): 3/3
規(guī)程: DS3,E3,STS-1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 128-LQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 128-LQFP(14x20)
包裝: 帶卷 (TR)
XRT75L03
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
REV. 1.0.4
62
TABLE 20: BLOCK LEVEL INTERRUPT STATUS REGISTER - CR33 (ADDRESS LOCATION = 0X21)
BIT 7BIT 6BIT 5BIT 4BIT 3BIT 2BIT 1BIT 0
Reserved
Channel 2
Interrupt Status
Channel 1
Interrupt Status
Channel 0
Interrupt Status
R/O
00
0
BIT NUMBER
NAME
TYPE
DEFAULT
VALUE
DESCRIPTION
7 - 3
Unused
R/O
0
2
Channel
2 Inter-
rupt Sta-
tus
R/O
0
Channel 2 Interrupt Status Bit:
This READ-ONLY bit-field indicates whether or not the XRT75L03
has a pending Channel 2-related interrupt that is awaiting service.
0 - Indicates that there is NO Channel 2-related Interrupt awaiting
service.
1 - Indicates that there is at least one Channel 2-related Interrupt
awaiting service. In this case, the user’s Interrupt Service routine
should be written such that the Microprocessor will now proceed to
read out the contents of the Source Level Interrupt Status Register -
Channel 2 (Address Location = 0x12) in order to determine the
exact cause of the interrupt request.
NOTE: Once this bit-field is set to "1", it will not be cleared back to
"0" until the user has read out the contents of the Source-
Level Interrupt Status Register bit, that corresponds with
the interrupt request.
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