AX88796 L
3合1本地总线快速以太网控制器
5.1.13测试寄存器（ TR ）偏移15H (Write).................................................................................................... 37
5.1.14测试寄存器（ TR ）偏移15H （读） ..................................... .................................................. ............. 38
5.1.15通用输入寄存器（ GPI ）偏移17H （读） ................................... ................................... 38
5.1.16 GPO和控制（ GPOC ）偏移17H （写） .................................... .................................................. 38
5.1.17 SPP数据端口寄存器（ SPP_DPR ）偏移18H （读/写） ................................. .............................. 39
5.1.18 SPP状态端口寄存器（ SPP_SPR ）偏移19H （读） ................................... ..................................... 39
5.1.19 SPP命令端口寄存器（ SPP_CPR ）偏移1AH （读/写） ................................. ...................... 39
5.2 T
HE
E
MBEDDED
PHY
EGISTERS
..................................................................................................................... 40
5.2.1 MR0 - 控制寄存器位Descriptions................................................................................................. 41
5.2.2 MR1 - 状态寄存器位说明........................................ .................................................. ......... 42
5.2.3 MR2 ， MR3 - 标识寄存器（ 1和2 ）位说明................................. ............................. 43
5.2.4 MR4 - 自动协商广告寄存器位说明........................................ .................... 43
5.2.5 MR5 - 自动协商链路伙伴能力（基本页）寄存器位说明................................. 43
5.2.6 MR5 -Autonegotiation链接合伙人（ LP ）能力寄存器（下一页）位说明............................. 44
5.2.7 MR6 - 自动协商扩展寄存器位说明........................................ ........................... 44
5.2.8 MR7 - 下页发送寄存器位说明....................................... ........................................ 45
5.2.9 MR16 - PCS控制寄存器位说明........................................ ................................................ 45
5.2.10 MR17 -Autonegotiation寄存器A位说明........................................ ...................................... 46
5.2.11 MR18 -Autonegotiation寄存器B位说明........................................ ...................................... 46
5.2.12 MR20 - 用户定义的寄存器位说明........................................ .............................................. 46
5.2.13 MR21 -RXER计数器寄存器位说明........................................ ........................................... 47
5.2.14 MR28 - 设备的寄存器1 （状态寄存器）位说明.................................. ................... 47
5.2.15 MR29 - 设备的寄存器2 （ 100Mbps的控制）位说明.................................. ............... 48
5.2.16 MR30 - 设备的寄存器3 （ 10Mbps的控制）位说明.................................. ................. 49
5.2.17 MR31 - 设备的寄存器4 （快速状态）位说明.................................. ...................... 50
6.0 CPU的I / O读写功能......................................... .................................................. ...... 51
6.1 ISA
总线类型访问功能
. ................................................................................................................... 51
6.2 80186 CPU
总线类型访问功能
......................................................................................................... 51
6.3 MC68K CPU
总线类型访问功能
...................................................................................................... 52
6.4 MCS- 51的CPU
总线类型访问功能
. .................................................................................................... 52
6.5 CPU A
CCESS
信息产业部S
塔季翁
M
ANAGEMENT功能
. .................................................................................... 53
7.0电气性能和时序............................................. .......................................... 54
7.1 A
BSOLUTE
M
AXIMUM
R
ATINGS
........................................................................................................................ 54
7.2 G
ENERAL
O
PERATION
C
ONDITIONS
................................................................................................................... 54
7.3 DC
极特
..................................................................................................................................... 54
7.4交流牛逼
即时通信
C
极特
....................................................................................................................... 55
7.4.1 XTAL / CLOCK........................................................................................................................................ 55
7.4.2复位时序............................................................................................................................................ 55
7.4.3 ISA总线访问Timing............................................................................................................................. 57
7.4.4 80186型I / O访问时序................................................................................................................. 58
7.4.5 68K型I / O访问时序.................................................................................................................... 59
7.4.6 8051总线访问Timing........................................................................................................................... 60
7.4.7 MII Timing............................................................................................................................................... 61
8.0包装INFORMATION........................................................................................................................... 62
附录A ：使用注意事项1 ............................................................................................................. 63
A.1 ü
星
C
RYSTAL
25MH
Z
................................................................................................................ 63
A.2 ü
星
O
SCILLATOR
25MH
Z
......................................................................................................... 63
附录B ：功耗参考数据........................................... ........................... 64
AX88796勘误.......................................................................................................................................... 65
演示电路（ A） ： AX88796与ISA总线+ HomePNA的1M8 PHY .............................. 66
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