参数资料
型号: PT7A6527
英文描述: 60V Single N-Channel Hi-Rel MOSFET in a TO-204AE package
中文描述: 四通道协议控制器? |演示板原理图和计划?(PDF格式)
文件页数: 22/41页
文件大小: 1640K
代理商: PT7A6527
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29
PT Pericom Technology Inc.
The Demo Board of PT7A6525
in DMA Mode
move.l a0,$10
move.b #$43,m6850cs
move.b #$19,m6850cs
; if equate #$19, that's even parity
lea.l
messag0(pc),a0
move #$00fd,led
bsr
disp
lea
zfc1(pc),a0
move #$00fc,led
bsr
disp
move #$00fb,led
clr.l d0
clr.l d1
clr.l d2
clr.l d3
clr.l d4
clr.l d5
clr.l d6
clr.l d7
clr
sp_buf
clr
second
clr
ledzt
clr
minu
clr
trans
move #$00f8,led
nop
move #$2400,sr
move #$00f5,led
bra
read0
******************************************
time
nop
movem.l d0-d7/a0-a6,-(a7)
time00 sub.b
#1,clk_ld
*
cmp.b #$aa,trans
*
beq
retun
add.b #1,second
cmp.b #10,second
bhi
time1
bra
retun
time1
add.b #1,minu
clr.b
second
bra
times
bra
times
***************************
times
nop
cmp.b #$0,ledzt
beq
time2
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