參數(shù)資料
型號： STLC5048
廠商： 意法半導(dǎo)體
元件分類： Codec
英文描述： FULLY PROGRAMMABLE FOUR CHANNEL CODEC AND FILTER
中文描述： 完全可編程四通道解碼器和過濾器
文件頁數(shù)： 18/45頁
文件大?。?/td> 371K
代理商： STLC5048
STLC5048
18/45
Interrupt Mask Register for I/O port (DMASK)
Addr=11h; Reset Value=FFh
Addr=12h; Reset Value=XFh
MD
11..0
=1: The corresponding I/O doesn’t generate interrupt.
MD
11..0
=0: The corresponding I/O (programmed as input) generate interrupt if a change of status is detected.
Input lines with persistency check generate interrupt if the changed status remains stable longer than the time
programmed in the persistency check register PCHKA/B. Line without persistency check generate an immedi-
ate interrupt request.
Mask register has no effect on those pins configured as outputs, those pins will not generate interrupt.
Interrupt Mask Register for Interrupt (IMASK)
Addr=13h; Reset Value=FFh
For dynamic I/O configuration, MCn bits are the disable/enable interrupt related to the channel n.
MC3..0=1: Any I/O line of the related channel #n is disabled to generate interrupt independently of DMASK setting.
MC3..0=0: Any I/O line of the related channel #n is enabled to generate interrupt depending on DMASK setting.
For static I/O configuration, MCn bits are the interrupt mask bits related to CSn that are configured as I/O lines.
MC0=1: The corresponding I/O cannot generate interrupt independently of DMASK setting.
MC0=0: The corresponding I/O can generate interrupt if a change of status is detected depending of DMASK setting.
MC2=1: The corresponding I/O cannot generate interrupt independently of DATA3_L setting (bit 3..0).
MC2=0: The corresponding I/O can generate interrupt if a change of status is detected depending of DATA3_L
setting (bit 3..0).
MC3 and MC1 bit are not used in static mode.
Input lines with persistency check generate interrupt if the changed status remains stable longer than the time
programmed in the persistency check register PCHKA/B. Line without persistency check generate an immedi-
ate interrupt request.
Mask register has no effect on those pins configured as outputs, those pins will not generate interrupt
MCF=1: The corresponding alarm bit (CKF) doesn’t generate interrupt.
MCF=0: The corresponding alarm bit (CKF) can generate interrupt.
MTV=1: The corresponding alarm bit (TV) doesn’t generate interrupt.
MTV=0: The corresponding alarm bit (TV) can generate interrupt.
MPCM =1 : The IPCM interrupt is masked (generation disabled).
MPCM =0 : The IPCM interrupt is enabled (generation enabled).
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
R/W
0
0
1
0
0
0
1
MD
7
MD
6
MD
5
MD
4
MD
3
MD
2
MD
1
MD
0
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
R/W
0
0
1
0
0
1
0
MD
11
MD
10
MD
9
MD
8
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
R/W
0
0
1
0
0
1
1
x
MTV
MPCM
MCF
MC3
MC2
MC1
MC0
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