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ST92196A bảng dữ liệu(PDF) 200 Page - STMicroelectronics |
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ST92196A bảng dữ liệu(HTML) 200 Page - STMicroelectronics |
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200 / 268 page ![]() 200/268 - SERIAL COMMUNICATIONS INTERFACE (SCI) SERIAL COMMUNICATIONS INTERFACE (Cont’d) 8.11.9 Register Description The SCI registers are located in the following pag- es in the ST9: SCI number 0: page 24 (18h) SCI number 1: page 25 (19h) (when present) The SCI is controlled by the following registers: Address Register R240 (F0h) Receiver DMA Transaction Counter Pointer Register R241 (F1h) Receiver DMA Source Address Pointer Register R242 (F2h) Transmitter DMA Transaction Counter Pointer Register R243 (F3h) Transmitter DMA Destination Address Pointer Register R244 (F4h) Interrupt Vector Register R245 (F5h) Address Compare Register R246 (F6h) Interrupt Mask Register R247 (F7h) Interrupt Status Register R248 (F8h) Receive Buffer Register same Address as Transmitter Buffer Register (Read Only) R248 (F8h) Transmitter Buffer Register same Address as Receive Buffer Register (Write only) R249 (F9h) Interrupt/DMA Priority Register R250 (FAh) Character Configuration Register R251 (FBh) Clock Configuration Register R252 (FCh) Baud Rate Generator High Register R253 (FDh) Baud Rate Generator Low Register R254 (FEh) Reserved R255 (FFh) Reserved |
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