參數(shù)資料
型號: TS68C429AMF
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: CMOS ARINC 429 Multichannel Receiver/ Transmitter MRT
中文描述: 3 CHANNEL(S), 2.5M bps, SERIAL COMM CONTROLLER, CQFP132
封裝: CERAMIC, QFP-132
文件頁數(shù): 13/43頁
文件大?。?/td> 1638K
代理商: TS68C429AMF
13
TS68C429A
2120A–HIREL–08/02
Figure 7.
Interrupt Cycle (IEIxx = 1)
Notes:
1. If UDS = 1, D15-D8 stay hi-z else D15-D8 drive the bus with a stable unknown value.
2. If IEOxx goes low, neither vector nor DTACK are generated, else IEOxx stays inactive and a vector is generated (D7-D0 and
DTACK).
Table 8.
Timing Characteristic
Number
Symbol
Parameter
Min
Max
T/G
(1)
Unit
1
t
AVCSL
Address valid to CS low
0
-
T
ns
2
t
RWVCSL
R/W valid to CS low
0
-
T
ns
3
t
DIVDSL
Data in valid to LDS/UDS low
0
-
T
ns
4
t
SVCL
CS, LDS/UDS, IACKxx valid to CLK-SYS low
5
-
T
ns
5
t
CLDKL
CLK-SYS low to DTACK low
-
45
T
ns
6
t
CLDOV
CLK-SYS low to data out valid
-
50
T
ns
7
t
DKLDOV
DTACK low to data out valid
-
10
G
ns
8
t
SHDKH
CS or LDS/UDS or IACKxx high to DTACK high
-
35
G
ns
9
t
SHDXZ
CS or LDS/UDS or IACKxx high to DTACK hi-z
-
50
G
ns
10
t
SHDOZ
CS or LDS/UDS or IACKxx high to data out hi-z
-
25
G
ns
11
t
ILIOL
IEIxx or IACKxx low to IEOxx low
-
35
T
ns
12
t
IKHIOH
IACKxx high to IEOxx high
-
40
T
ns
13
t
IILDKL
IEIxx low to DTACK low
-
40
T
ns
14
t
IILDOV
IEIxx low to data out valid
-
45
T
ns
15
t
SH
CS, IACKxx, LDS/UDS inactive time
15
-
T
ns
16
t
DKLSH
DTACK low to CS or LDS/UDS or IACKxx high
0
-
G
ns
17
t
SHAH
CS or LDS/UDS high to address hold time
0
-
G
ns
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