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PSD813F2 Datasheet(PDF) 43 Page - STMicroelectronics |
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PSD813F2 Datasheet(HTML) 43 Page - STMicroelectronics |
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43 / 110 page ![]() 43/110 PSD813F2, PSD833F2, PSD834F2, PSD853F2, PSD854F2 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 16. The interface type is specified using the PSD- soft Express Configuration. Table 16. MCUs and their Control Signals Note: 1. Unused CNTL2 pin can be configured as CPLD input. Other unused pins (PC7, PD0, PA3-0) can be configured for other I/O func- tions. 2. ALE/AS input is optional for MCUs with a non-multiplexed bus MCU Data Bus Width CNTL0 CNTL1 CNTL2 PC7 PD02 ADIO0 PA3-PA0 PA7-PA3 8031 8 WR RD PSEN (Note 1) ALE A0 (Note 1)(Note 1) 80C51XA 8 WR RD PSEN (Note 1) ALE A4 A3-A0 (Note 1) 80C251 8 WR PSEN (Note 1)(Note 1) ALE A0 (Note 1)(Note 1) 80C251 8 WR RD PSEN (Note 1) ALE A0 (Note 1)(Note 1) 80198 8 WR RD (Note 1)(Note 1) ALE A0 (Note 1)(Note 1) 68HC11 8 R/W E (Note 1)(Note 1) AS A0 (Note 1)(Note 1) 68HC912 8 R/W E (Note 1) DBE AS A0 (Note 1)(Note 1) Z80 8 WR RD (Note 1)(Note 1)(Note 1) A0 D3-D0 D7-D4 Z8 8 R/W DS (Note 1)(Note 1) AS A0 (Note 1)(Note 1) 68330 8 R/W DS (Note 1)(Note 1) AS A0 (Note 1)(Note 1) M37702M2 8 R/W E (Note 1)(Note 1) ALE A0 D3-D0 D7-D4 |
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