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IA80C152JD Datasheet(PDF) 9 Page - InnovASIC, Inc |
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IA80C152JD Datasheet(HTML) 9 Page - InnovASIC, Inc |
9 / 32 page Page 9 of 32 IA80C152 Preliminary Data Sheet UNIVERSAL COMMUNICATIONS CONTROLLER Copyright © 2000 innovASIC [_________The End of Obsolescence ™ Table 4 - SFR Summary Item Register Name Register Address Functional Block Description Initial Value 52. TFIFO 085h GSC Transmit FIFO X 53. TH0 08Ch C8051 Timer (High) 0 00h 54. TH1 08Dh C8051 Timer (High) 1 00h 55. TL0 08Ah C8051 Timer (Low) 0 00h 56. TL1 08Bh C8051 Timer (Low) 1 00h 57. TMOD 089h C8051 Timer Mode 00h 58. TSTAT 0D8h GSC Transmit Status XX000100b Table 5 - Interrupt Summary Interrupt Priority Interrupt Name Priority Symbol Name Enable Symbol Name Priority Address Enable Address Vector Address - Enable All Interrupts - EA - 0AFh - 1 External Interrupt 0 PX0 EX0 0B8h 0A8h 03h 2 GSC Receive Valid PGSRV EGSRV 0F8h 0C8h 2Bh 3 Timer 0 Overflow PT0 ET0 0B9h 0A9h 0Bh 4 GSC Receive Error PGSRE EGSRE 0F9h 0C9h 33h 5 DMA Channel 0 Done PDMA0 EDMA0 0FAh 0CAh 3Bh 6 External Interrupt 1 PX1 EX1 0BAh 0AAh 13h 7 GSC Transmit Valid PGSTV EGSTV 0FBh 0CBh 43h 8 DMA Channel 1 Done PDMA1 EDMA1 0FCh 0CCh 53h 9 Timer 1 Overflow PT1 ET1 0BBh 0ABh 1Bh 10 GSC Transmit Error PGSRE EGSRE 0FDh 0CDh 4Bh 11 UART Transmit/Receive PS ES 0BCh 0ACh 23h Power Conservation Modes There are 2 power conservation modes identified as Idle Mode and Power Down Mode. The IA80C152 pins will have values according to the Table 6 below. Idle Mode is entered through software control of the PCON register. Idle halts processor execution and the DMA. The GSC continue to operate to the extent that it can without the processor or DMA servicing its requests. Idle mode is exited upon receipt of any enabled interrupt or invoking a hardware reset. Power Down Mode is entered through software control of the PCON register. Power Down disables the oscillator causing all functions to stop. RAM data is maintained since power is not removed from the device. The only way to exit power down mode is to invoke a hardware reset. |
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