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IA8X44-PLC44I-R-P03 View Datasheet(PDF) - InnovASIC, Inc

Part Name
Description
Manufacturer
IA8X44-PLC44I-R-P03
INNOVASIC
InnovASIC, Inc INNOVASIC
IA8X44-PLC44I-R-P03 Datasheet PDF : 65 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
IA8044/IA8344
SDLC Communications Controller
Data Sheet
March 30, 2010
4.8.1 Accumulator (ACC)........................................................................................32
4.8.2 B Register (B) .................................................................................................32
4.8.3 Program Status Word (PSW)..........................................................................32
4.8.4 Stack Pointer (SP)...........................................................................................33
4.8.5 Data Pointer (DPTR) ......................................................................................33
4.9 Interrupts .....................................................................................................................34
4.9.1 External Interrupts ..........................................................................................34
4.9.2 Timer 0 and Timer 1 Interrupts ......................................................................34
4.9.3 Serial Interface Unit Interrupt.........................................................................34
4.9.4 Interrupt Priority Level Structure ...................................................................34
4.9.5 Interrupt Handling ..........................................................................................35
4.9.6 Interrupt Priority Register (IP)........................................................................35
4.9.7 Interrupt Enable Register (IE) ........................................................................36
4.10 SIUSerial Interface Unit..........................................................................................36
4.10.1 SIU Special Function Registers ......................................................................37
4.10.2 Serial Mode Register (SMD) ..........................................................................37
4.10.3 Status/Command Register (STS) ....................................................................38
4.10.4 Send/Receive Count Register (NSNR) ...........................................................39
4.10.5 Station Address Register (STAD) ..................................................................40
4.10.6 Transmit Buffer Start Address Register (TBS) ..............................................40
4.10.7 Transmit Buffer Length Register (TBL).........................................................40
4.10.8 Transmit Control Byte Register (TCB) ..........................................................40
4.10.9 Receive Buffer Start Address Register (RBS)................................................41
4.10.10 Receive Buffer Length Register (RBL) ..........................................................41
4.10.11 Receive Field Length Register (RFL).............................................................41
4.10.12 Receive Control Byte Register (RCB)............................................................41
4.10.13 DMA Count Register (DMA CNT) ................................................................42
4.10.14 DMA Count Register (FIFO)..........................................................................42
4.10.15 SIU State Counter (SIUST) ............................................................................42
4.11 Data Clocking Options ................................................................................................43
4.12 Operational Modes ......................................................................................................43
4.13 Frame Format Options ................................................................................................44
4.14 HDLC Restrictions ......................................................................................................46
4.15 SIU Details ..................................................................................................................46
4.15.1 BIP ..................................................................................................................46
4.15.2 BYP.................................................................................................................48
4.16 Diagnostics ..................................................................................................................48
5. AC Specifications .................................................................................................................50
5.1 Memory Access Waveforms .......................................................................................51
5.2 Serial I/O Waveforms..................................................................................................55
®
IA211010112-04
http://www.Innovasic.com
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