am186ed/edlv 微控制器 5
初步的
D
RA
FT
int2/inta0/pwd/pio31 ................................................................................................ 24
int3/inta
1/irq ............................................................................................................. 24
int4/pio30 .................................................................................................................... 25
LCS
/once0/ras0 ........................................................................................................ 25
MCS
0/pio14 .................................................................................................................. 25
MCS
1/ucas/pio15 ....................................................................................................... 25
MCS2
/lcas/pio24 ....................................................................................................... 25
MCS3
/ras1/pio25 ....................................................................................................... 26
nmi ................................................................................................................................ 26
PCS
1/pio17, pcs0/pio16 ............................................................................................ 26
PCS
2/cts1/enrx1/pio18 ........................................................................................... 27
PCS
3/rts1/rtr1/pio19 .............................................................................................. 27
PCS
5/a1/pio3 ............................................................................................................... 27
PCS
6/a2/pio2 ............................................................................................................... 28
pio31–pio0 (shared) .................................................................................................... 28
RD
.................................................................................................................................. 28
RES
................................................................................................................................ 28
RTS
0/rtr0/pio20 ........................................................................................................ 30
rxd0/pio23 .................................................................................................................. 30
rxd1/pio28 .................................................................................................................. 30
S
2/btsel ...................................................................................................................... 30
S
1–S0 ............................................................................................................................ 30
s6/clkdiv
2/pio29 ....................................................................................................... 30
srdy/pio6 .................................................................................................................... 30
tmrin0/pio11 ............................................................................................................... 31
tmrin1/pio0 ................................................................................................................ 31
tmrout0/pio10 .......................................................................................................... 31
tmrout1/pio1 ............................................................................................................ 31
txd0/pio22 ................................................................................................................... 31
txd1/pio27 ................................................................................................................... 31
UCS
/once1 .................................................................................................................. 31
UZI
/pio26 ...................................................................................................................... 31
V
CC
................................................................................................................................ 31
WHB
............................................................................................................................... 31
WLB
............................................................................................................................... 32
WR
................................................................................................................................. 32
x1 ................................................................................................................................... 32
x2 ................................................................................................................................... 32
函数的 描述 .................................................................................................. 33
记忆 organization ..................................................................................................... 33
i/o 空间 ....................................................................................................................... 33
总线 运作 ..................................................................................................................... 34
总线 接口 单位 ............................................................................................................. 36
nonmultiplexed 地址 总线......................................................................................... 36
dram 地址 multiplexing .......................................................................................... 36
可编程序的 总线 sizing ............................................................................................. 37
字节-写 使能 ........................................................................................................ 37
数据 strobe 总线 接口 选项 .................................................................................. 37
dram 接口 ................................................................................................................... 37
附带的 控制 块 ............................................................................................ 38
读 和 writing 这 pcb ........................................................................................ 38
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