Acromag AcroPack AP513, Руководство пользователя

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AP513 ACROPACK
USER
’S MANUAL
Acromag, Inc. Tel: 248-295-0310 - 3 -
http://www.acromag.com
- 3 - www.acromag.com
3.4.4.1 IER versus Receive FIFO Interrupt Mode Operation ...................................................... 31
3.4.4.2 IER versus Receive/Transmit FIFO Polled Mode Operation ........................................... 31
Table 3.11 Interrupt Enable Register ........................................................................................... 31
3.4.5 Interrupt Status Register (ISR) – Read Only ...............................................................................33
3.4.5.1 Interrupt Generation ..................................................................................................... 34
3.4.5.2 Interrupt Clearing .......................................................................................................... 34
Table 3.12 Interrupt Source and Priority Level ............................................................................ 34
3.4.6 FIFO Control Register (FCR) – Write Only ...................................................................................35
Table 3.13 FIFO Control Register ................................................................................................. 35
Table 3.14 Transmit and Receive FIFO Trigger Table and Level Selection ................................... 36
3.4.7 Line Control Register (LCR) – Read/Write ..................................................................................37
Table 3.15 Line Control Register .................................................................................................. 37
3.4.8 Modem Control Register (MCR) – Read/Write ...........................................................................38
Table 3.16 Modem Control Register............................................................................................ 38
3.4.9 Line Status Register (LSR) – Read Only .......................................................................................39
Table 3.17 Line Status Register .................................................................................................... 40
3.4.10 Modem Status Register (MSR) – Read Only .............................................................................41
Table 3.18 Modem Status Register.............................................................................................. 41
3.4.11 Modem Status Register (MSR) – Write Only ............................................................................42
Table 3.19 Modem Status Register.............................................................................................. 42
3.4.12 Scratch Pad (SCR) – Read/Write ...............................................................................................44
3.4.13 Feature Control Register (FCTR) – Read/Write .........................................................................44
Table 3.20 FCTR – Feature Control Register ................................................................................ 44
3.4.14 Enhanced Feature Register (EFR) – Read/Write .......................................................................45
Table 3.21 EFR - Enhanced Feature Register ............................................................................... 45
3.4.15 Transmit FIFO Level Counter – Read Only ................................................................................47
3.4.16 Transmit FIFO Trigger Level – Write Only .................................................................................47
3.4.17 Receive FIFO Level Counter – Read Only ..................................................................................47
3.4.18 Receive FIFO Trigger Level – Write Only...................................................................................47
3.4.19 XOFF1, XOFF2, XON1 and XON2 Registers – Write Only ...........................................................47
3.4.20 XCHAR Register – Read Only ....................................................................................................47
Table 3.22 XCHAR Register .......................................................................................................... 47
4.0 SERVICE AND REPAIR ............................................................................................... 49
4.1 Service and Repair Assistance ..................................................................................... 49
4.2 Preliminary Service Procedure .................................................................................... 49
4.3 Where to Get Help ...................................................................................................... 49
5.0 SPECIFICATIONS ......................................................................................................... 50
5.1 Physical ...................................................................................................................... 50