AX88180 Datasheet, PDF (40/47 Pages) ASIX Electronics Corporation – High-Performance Non-PCI 32-bit 10/100/1000M Gigabit Ethernet Controller

Appendix A1. 16-bit mode address and data bus
AX88180
A1-1. 16-bit mode and separated address and data bus
Note: The name of control signal for MCU is demonstrated only.
A1-1-1. AX88180 is synchronous to host MCU
G eneric M C U
AX 88180
/C S x
/R D
/W R
CLK
A [15:1 ]
D [15:0 ]
CSN
OEN
W EN
H C L K _{G PIO 0}
H A [15:1]
H D [15:0]
/IN T x
IN T N
/R E S E T
R ST _N
H D [31:16 ]
N ote: floating
3 .3 V
4 .7 K
A1-1-2. AX88180 is asynchronous to host MCU
Note: For asynchronous mode, system must provide extra OSC to output clock to AX88180
G en eric M C U
/C S x
/R D
/W R
A [1 5 :1 ]
D [1 5 :0 ]
/IN T x
/R E S E T
O SC
A X 88180
CSN
OEN
W EN
HCLK
G P IO 0
H A [1 5 :1 ]
H D [1 5 :0 ]
IN T N
R ST _N
H D [3 1 :1 6 ]
N o te: flo atin g
3 .3 V
4 .7 K
40
ASIX ELECTRONICS CORPORATION