参数资料
型号: XRT73R12IB
厂商: Exar Corporation
文件页数: 63/89页
文件大小: 0K
描述: IC LIU E3/DS3/STS-1 12CH 420TBGA
标准包装: 40
类型: 线路接口装置(LIU)
驱动器/接收器数: 12/12
规程: DS3,E3,STS-1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 420-LBGA 裸露焊盘
供应商设备封装: 420-TBGA(35x35)
包装: 托盘
XRT73R12
63
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.0.3
TABLE 24: CHANNEL LEVEL INTERRUPT STATUS REGISTER - CR97 (ADDRESS LOCATION = 0X61)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Reserved
Channel 5
Interrupt
Status
Channel 4
Interrupt
Status
Channel 3
Interrupt
Status
Channel 2
Interrupt
Status
Channel 1
Interrupt
Status
Channel 0
Interrupt
Status
R/O
BIT
NUMBER
NAME
TYPE
DESCRIPTION
7, 6
Reserved
5
4
3
2
1
0
Channel 5 Interrupt Status
Channel 4 Interrupt Status
Channel 3 Interrupt Status
Channel 2 Interrupt Status
Channel 1 Interrupt Status
Channel 0 Interrupt Status
R/O
Channel n Interrupt Status Bit:
This READ-ONLY bit-field indicates whether the XRT73R12 has a pending
Channel n-related interrupt that is awaiting service. The first six channels
are serviced through this location and the other six at address 0xE1.
These two registers are used by the Host to identify the source channel of
an active interrupt.
0 - Indicates that there is NO Channel n-related Interrupt awaiting service.
1 - Indicates that there is at least one Channel n-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 n (Address Locations
= 0xn2) to determine the exact source 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 to the interrupt request
channel.
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