GND 40}Vcc(5V) A 39 A1 A 38-A16/S A 37 A1/S A 210 AIR/S A19/S6 N’/8088 8088: MN/MX 引脚 AD 9 CPU 32 RD AD+-10 31- HOLD(RQ/GTo) 信 AD5 ++11 30 H+ HLDA(RQ/GT1) AD 12 WR LOCK AD3 13 IO/M(S AD 14 7·DTR(S) AD1++15 26 en (So) AD0+16 25 ale(QSo NMI 17 INTA (QS1) INTR 18 ST CLK—19 READY GND- 20 RESET8088 引脚 信号 GND A14 A13 A12 A11 A10 A9 A8 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 NMI INTR CLK GND VCC (5V) A15 A16/S3 A17/S4 A18/S5 A19/S6 SS0 MN/MX RD HOLD (RQ/GT0) HLDA (RQ/GT1) WR (LOCK) IO/M (S2) DT/R (S1) DEN (S0) ALE (QS0) INTA (QS1) TEST READY RESET 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 8088 CPU