參數(shù)資料
型號: PSB7110
廠商: SIEMENS AG
英文描述: Enhanced ISDN Data Access Controller ISAR
中文描述: 增強(qiáng)綜合業(yè)務(wù)數(shù)字網(wǎng)的數(shù)據(jù)接入控制器專家組
文件頁數(shù): 151/164頁
文件大?。?/td> 1173K
代理商: PSB7110
_________________________________________________PSB 7110
Siemens Aktiengesellschaft
Page 151
6.
Detailed Register Description
6.1
Register Address Map
Address
(hex)
READ
WRITE
b7
b6
b5
b4
b3
b2
b1
b0
b7
b6
b5
b4
b3
b2
b1
b0
75
61
60
58
50
4C
4A
48
-
-
-
-
-
MSK
-
-
-
-
-
-
-
STA
-
-
Host Control Register High
Host Control Register Low
-
-
-
Host Interrupt Status (HIS)
Mailbox I/O data
Mailbox write address
Mailbox read address
ISAR Control Register High
ISAR Control Register Low
IIA ISAR Interrupt Status (IIS)
-
-
-
-
-
-
-
-
-
-
-
HIA
6.2
Register Description
Interrupt Mask Bit
Write
Address 75h
Value after Reset:
xxxx x0xx
7
-
6
-
5
-
4
-
3
2
1
-
0
-
MSK
MSK ... Interrupt mask
All internal interrupt sources can be masked by setting MSK to "0". In this case the interrupt is
not indicated by activating the interrupt line, however it remains internally stored and pending
until the MSK bit is set to "1".
Interrupt Status Bit
Read
Address 75h
Value after Reset:
xxxx x0xx
7
-
6
-
5
-
4
-
3
2
1
-
0
-
STA
STA ... Interrupt status
The STA bit indicates an interrupt status of the ISAR. If set to "1", an internal interrupt is
pending.
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