參數(shù)資料
型號: MC68HC58FN
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 1 CHANNEL(S), LOCAL AREA NETWORK CONTROLLER, PQCC28
封裝: PLASTIC, LCC-28
文件頁數(shù): 86/102頁
文件大小: 700K
代理商: MC68HC58FN
MOTOROLA
ELECTRICAL CHARACTERISTICS
MC68HC58
A-4
TECHNICAL DATA
NOTES:
1. Within double-byte reads and writes.
2. Between successive commands; also between consecutive “auto-finishes” of data in
DLC parallel mode.
3. Needed between successive status byte reads to properly update status.
Table A-4 Parallel Interface Parameters
Symbol
Description
Pin
Min
Max
Units
t
CYC
E-clock cycle time
EC
238
ns
t
WEL
E-clock pulse width low
EC
105
ns
t
WEH
E-clock pulse width high
EC
100
ns
t
R,F
E-clock rise and fall time
EC
0
20
ns
t
ASSU
Address select setup time
A0
20
ns
t
ASH
Address select hold time
A0
20
ns
t
CSSU
Chip-select setup time
CS
5—
ns
t
CSH
Chip-select hold time
CS
5—
ns
t
CSDB
Chip-select double1
CS
060
ns
t
CSST
Chip-select status time2, 3
CS
3—
s
t
RWSU
R/W setup time
R/W
25
ns
t
RWH
R/W hold time
R/W
20
ns
t
DSUI
Data in setup time
D0–D7
45
ns
t
DHI
Data in hold time
D0–D7
15
ns
t
DVO
Data out valid time
D0–D7
75
ns
t
DHO
Data out hold time
D0–D7
5
ns
t
DTO
Data out three-state time
D0–D7
40
ns
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