參數(shù)資料
型號(hào): SC68C562
廠商: NXP Semiconductors N.V.
英文描述: CMOS dual universal serial communications controller (CDUSCC)(CMOS 雙通用串行通信控制器(CDUSCC))
中文描述: CMOS雙通用串行通信控制器(CDUSCC)(的CMOS雙通用串行通信控制器(CDUSCC))
文件頁(yè)數(shù): 20/26頁(yè)
文件大?。?/td> 163K
代理商: SC68C562
Philips Semiconductors
Product specification
SC68C562
CMOS Dual universal serial communications controller
(CDUSCC)
1998 Sep 04
20
DMA Tx Write Timing — Single Address DMA
LIMITS
SYMBOL
PARAMETER
INDUSTRIAL SC68C562
Min
50
0
1
f
CL
COMMERCIAL SC68C562
Min
40
0
1
f
CL
UNIT
Max
Max
t
DTLDTH
t
DALDTL
DTCN low to DTCN high
DTACKN low to DTCN low
9
ns
ns
t
TALDAL
Tx DMA ACK low to DTACKN low
9
30
140
1.5
f
CL
40
130
1.5
f
CL
ns
t
DTLDAH
t
DTLDAZ
t
TRHDAL
t
TOLDAL
t
DTLTOH
t
WDVDTL
t
DTLWDI
t
TALTRH
t
TAHTAL
t
TALTOL
t
DILDTL
t
DTLDIH
t
TALTAH
t
TAHWDI
t
WDVTAH
t
TAHDAH
t
TAHDAZ
t
TAHTOH
t
DILTAH
t
TAHDIH
t
TALDTL
DTCN low to DTACKN high
DTCN low to DTACKN high impedance
Tx DMA REQN high to DTACKN low
9
Tx DONEN output low to DTACKN low
9
DTCN low to Tx DONEN output high
Write data valid to DTCN low
DTCN low to write data invalid
Tx DMA ACKN low to transmit DMA REQN high
Transmit DMA ACKN high to low time
Tx DMA ACKN low to Tx DONEN output low
Transmit DONEN input low to DTCN low
DTCN low to transmit DONEN input high
Tx ACKN low to Tx ACKN high
Tx ACKN high to write data invalid
Write data valid to Tx DAKN high
Tx DAKN high to DTACKN high
Tx DAKN high to DTACKN high impedance
Tx DAKN high to DONEN output high
DONEN input low to Tx DAKN high
Tx DAKN high to DONEN input high
Tx DAKN low to DTCN low
80
110
80
110
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
40
40
40
40
80
70
40
30
40
20
110
100
40
30
100
90
40
40
110
15
60
30
30
100
10
40
80
110
70
70
100
60
40
30
110
30
25
100
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