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PSD813F2 データシート(PDF) 59 Page - STMicroelectronics |
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PSD813F2 データシート(HTML) 59 Page - STMicroelectronics |
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59 / 128 page  PSD8XXFX MCU bus interface Doc ID 7833 Rev 7 59/128 15 MCU bus interface The “no-glue logic” MCU bus interface block can be directly connected to most popular MCUs and their control signals. Key 8-bit MCUs, with their bus types and control signals, are shown in Table 17. The interface type is specified using the PSDsoft Express Configuration. Table 17. MCUs and their control signals MCU Data bus width CNTL0 CNTL1 CNTL2 PC7 PD0(1) ADIO0 PA3-PA0 PA7-PA3 8031 8 WR RD PSEN (2) ALE A0 (2) (2) 80C51XA 8 WR RD PSEN (2) ALE A4 A3-A0 (2) 80C251 8 WR PSEN (2) (2) ALE A0 (2) (2) 80C251 8 WR RD PSEN (2) ALE A0 (2) (2) 80198 8 WR RD (2) (2) ALE A0 (2) (2) 68HC11 8 R/W E (2) (2) AS A0 (2) (2) 68HC912 8 R/W E (2) DBE AS A0 (2) (2) Z80 8 WR RD (2) (2) (2) A0 D3-D0 D7-D4 Z8 8 R/W DS (2) (2) AS A0 (2) (2) 68330 8 R/W DS (2) (2) AS A0 (2) (2) M37702M2 8 R/W E (2) (2) ALE A0 D3-D0 D7-D4 1. ALE/AS input is optional for MCUs with a non-multiplexed bus 2. Unused CNTL2 pin can be configured as CPLD input. Other unused pins (PC7, PD0, PA3-0) can be configured for other I/O functions. Obsolete Product(s) - Obsolete Product(s) |
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