參數(shù)資料
型號: 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))
文件頁數(shù): 9/26頁
文件大小: 163K
代理商: SC68C562
Philips Semiconductors
Product specification
SC68C562
CMOS Dual universal serial communications controller
(CDUSCC)
1998 Sep 04
9
t
RELREH
RESETN
SD00205
Figure 1. Reset Timing
LIMITS
SYMBOL
PARAMETER
INDUSTRIAL SC68C562
Min
200
COMMERCIAL SC68C562
Min
200
UNIT
Max
Max
t
RELREH
RESETN low to RESETN high
ns
A1–A6
R/WN
CSN
D0–D7
DTACKN
12
t
ADVCSL
t
RWHCSL
t
CSLADI
t
CSLCSH
t
CSHRWL
t
CSHCSL
t
CSHDDF
t
CSLDDV
t
CSLDDA
t
DDVDAL
t
CSHDDI
t
CSHDAH
t
CSHDAZ
t
CSLDAL
INVALID
DATA VALID
INVALID
t
DALCSH
SD00254
Figure 2. Read Cycle Bus Timing
Times represent an X1 clock frequency of 14.745MHz
LIMITS
SYMBOL
PARAMETER
INDUSTRIAL SC68C562
Min
10
10
20
50
COMMERCIAL SC68C562
Min
5
5
10
30
UNIT
Max
Max
t
ADVCSL
t
RWHCSL
t
CSHRWL
t
CSHCSL
t
CSLDDV
t
CSHDDF
t
DDVDAL
t
DALCSH
A0-A6 valid to CSN low
RWN high to CSN low
CSN high to RWN low
CSN high to CSN low
8
CSN low to read data valid
CSN high to data bus float
Read data valid to DTACKN low
9
DTACKN low to CSN high
9
ns
ns
ns
ns
ns
ns
ns
ns
150
50
130
40
20
0
20
0
t
CSLDAL13
CSN low to DTACKN low
9
30
1
f
CL
140
1.5
f
CL
40
1
f
CL
130
1.5
f
CL
ns
t
CSHDAH
t
CSHDAZ
t
CSLADI
t
CSLCSH
t
CSLDDA
t
CSHDDI
CSN high to DTACKN high
CSN high to DTACKN high impedance
CSN low to address invalid
CSN low to CSN high
CSN low to data bus driver active
9
CSN high to data invalid
60
90
60
90
ns
ns
ns
ns
ns
ns
60
150
5
5
50
130
10
5
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