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MB86606APMT2 Datasheet(PDF) 10 Page - Fujitsu Component Limited. |
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MB86606APMT2 Datasheet(HTML) 10 Page - Fujitsu Component Limited. |
10 / 64 page 10 MB86606A 2. 16-Bit Bus Mode-MPU Interface Pin no. Pin name I/O Function 48 CS0 I This is used to input signals for the MPU to select the SPC as the I/O device. 47 CS1 I This is used to input select signals (external circuit select signals) for the MPU to input and output the DMA data bus data via the SPC. 19, 20, 22 to 24, 26 to 28 17 D15 to D8 UDP I/O Upper byte and parity of data bus When CS0 input valid: I/O ports for internal registers in SPC When CS1 input valid: I/O ports for DMA bus data 29, 32 to 34, 36 to 39 41 D7 to D0 LDP I/O Lower byte and parity of data bus When CS0 input valid: I/O ports for internal registers in SPC When CS1 input valid: I/O ports for DMA bus data 51, 52, 55 to 57 A4 to A0 IU These are used to input addresses for selecting the Internal registers. 46 RD (R/W)I In 80-series mode: This is used to input the read strobe signal for reading data from the SPC to the MPU. In 68-series mode: This is used to input the R/W control signal for reading and writing data from the MPU to the SPC. 44 WR (LDS)I In 80-series mode: This is used to input the write strobe signal for writing data from the MPU to the SPC. In 68-series mode: This is used to input the LDS signal output by the MPU when the lower byte of the data bus is valid. 42 BHE (UDS)I In 80-series mode: This is used to input the BHE signal output by the MPU when the upper byte of the data bus is valid. In 68-series mode: This is used to input the UDS signal output by the MPU when the upper byte of the data bus is valid. |
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