B-4
M5407C3 User’s Manual
{
[?Q0..?Q2].clk = ?CLK;
?Q0.D = ?Q0.Q & !?CS $ ?EN & !?CS ;
?Q1.D = ?Q1.Q & !?CS $ ( ?Q0.Q & ?EN & !?CS );
?Q2.D = ?Q2.Q & !?CS $ ( ?Q0.Q & ?Q1.Q & ?EN & !?CS );
};
equations
;"###########################################"
;"Bidirectional circuit equations"
;"###########################################"
OT21 (TAL, DA, DAOE)
OB21 (IORL, IOR)
OB21 (IOWL, IOW)
OB21 (RST_L, RST_H)
IRQ3 = !ETHER_IRQ;
!DB_CS_L = !RST_H & !CS3_L;
!CS_FPCIBD_L = !RST_H & (!CS0_L # !CS1_L # !CS2_L);
NOT_A31 = !A31;
!GNTPCI_L = !REQPCI_L & GNTANC_L; " Grant PCI bus if not in use
by the PCI
" controller.
!GNTANC_L = !REQANC_L & GNTPCI_L; " Grant PCI controller the bus
if not
" already granted to the PCI connector.
RST_H = !PORIN_L # !BDM_RST_L;
HIZ_L = 1;
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Содержание M5407C3
Страница 68: ...2 42 M5407C3 User s Manual TRAP 15 Functions Freescale Semiconductor I Freescale Semiconductor Inc nc...
Страница 100: ...C 6 BookTitle Freescale Semiconductor I Freescale Semiconductor Inc nc...
Страница 105: ...Appendix E Schematics E 1 Appendix E Schematics Freescale Semiconductor I Freescale Semiconductor Inc nc...
Страница 116: ...12 M5407C3 User s Manual Freescale Semiconductor I Freescale Semiconductor Inc nc...