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Z8018233FSC 数据表(PDF) 15 Page - Zilog, Inc. |
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Z8018233FSC 数据表(HTML) 15 Page - Zilog, Inc. |
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15 / 109 page ![]() 3-15 Z80182/Z8L182 ZILOG INTELLIGENT PERIPHERAL PRELIMINARY Zilog DS971820600 Table 5. Primary, Secondary and Tertiary Pin Functions (Continued) Pin Number 1st 2nd 3rd MUX VQFP QFP Function Function Function Control 71 74 RxDA 72 75 /TRxCA 73 76 TxDA 74 77 /DCDB /HRD SYS CONF REG Bit 1 75 78 /CTSB /HWR SYS CONF REG Bit 1 76 79 TxDB /HDDIS SYS CONF REG Bit 1 77 80 /TRxCB HA0 SYS CONF REG Bit 1 78 81 RxDB HA1 SYS CONF REG Bit 1 79 82 /RTxCB HA2 SYS CONF REG Bit 1 80 83 /SYNCB /HCS SYS CONF REG Bit 1 81 84 /HALT 82 85 /RFSH 83 86 /IORQ 84 87 /MRD /MREQ INT EDG/PIN REG Bit 3 85 88 E 86 89 /M1 87 90 /WR 88 91 /RD 89 92 PHI 90 93 V SS 91 94 XTAL 92 95 EXTAL 93 96 /WAIT 94 97 /BUSACK 95 98 /BUSREQ 96 99 /RESET 97 100 /NMI 98 1 /INT0 99 2 /INT1 PC6** 100 3 /INT2 PC7** Notes: * Also controlled by Interrupt Edge/Pin MUX Register ** PC7 and PC6 are inputs only and can read values of /INT1 and /INT2. |
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