參數(shù)資料
型號: MSM66Q577L-TB
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 14 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, TQFP-100
文件頁數(shù): 18/37頁
文件大?。?/td> 327K
代理商: MSM66Q577L-TB
PEDL66579-03
1Semiconductor
MSM66579 Family
25/37
(2) Multiplexed bus type
External program memory control
MSM66577L/579L (V
DD = 2.4 to 3.6 V, Ta = –30 to +70°C)
MSM66Q577L/Q579L (V
DD = 2.7 to 3.3 V, Ta = –30 to +70°C)
Parameter
Symbol
Condition
Min.
Max.
Unit
Cycle time
t
cyc
f
OSC = 14 MHz
71.4
Clock pulse width (HIGH level)
tφWH
28
Clock pulse width (LOW level)
tφWL
28
ALE pulse width
t
AW
2 t
φ – 15
PSEN pulse width
t
PW
2 t
φ – 18
PSEN pulse delay time
t
PAD
t
φ – 6
t
φ + 6
Low address setup time
t
ALS
2t
φ – 40
2t
φ + 6
Low address hold time
t
ALH
t
φ – 15
t
φ + 15
High address setup time
t
AHS
3t
φ – 50
4t
φ + 6
High address hold time
t
AHH
0t
φ + 15
Instruction setup time
t
IS
58
Instruction hold time
t
IH
C
L = 50 pF
0t
φ – 6
ns
Note: t
φ = t
cyc/2
Bus timing during no wait cycle time
INST0 to 7
t
cyc
tφ
WH
CPUCLK
PSEN
A8 to A19
AD0 to AD7
ALE
PC0 to 7
PC8 to 19
tφ
WL
t
AW
t
PAD
t
PW
t
ALS
t
ALH
t
IS
t
IH
t
AHS
t
AHH
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