參數(shù)資料
型號: μPD78056Y
廠商: NEC Corp.
英文描述: 8Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單芯片微控制器(8位單片微控制器)
文件頁數(shù): 47/74頁
文件大?。?/td> 574K
代理商: ΜPD78056Y
47
μ
PD78052Y, 78053Y, 78054Y, 78055Y, 78056Y, 78058Y
(2) Read/write Operation
(a) When MCS = 1, PCC2 to PCC0 = 000B (T
A
= –40 to +85
°
C, V
DD
= 4.5 to 6.0 V)
Parameter
Symbol
Test Conditions
MIN.
MAX.
Unit
ASTB high-level width
t
ASTH
0.85t
CY
– 50
ns
Address setup time
t
ADS
0.85t
CY
– 50
ns
Address hold time
t
ADH
50
ns
Data input time from address
t
ADD1
(2.85 + 2n)t
CY
– 80
ns
t
ADD2
(4 + 2n)t
CY
– 100
ns
Data input time from RD
t
RDD1
(2 + 2n)t
CY
– 100
ns
t
RDD2
(2.85 + 2n)t
CY
– 100
ns
Read data hold time
t
RDH
0
ns
RD low-level width
t
RDL1
(2 + 2n)t
CY
– 60
ns
t
RDL2
(2.85 + 2n)t
CY
– 60
ns
WAIT
input time from RD
t
RDWT1
0.85t
CY
– 50
ns
t
RDWT2
2t
CY
– 60
ns
WAIT
input time from WR
t
WRWT
2t
CY
– 60
ns
WAIT low-level width
t
WTL
(1.15 + 2n)t
CY
(2 + 2n)t
CY
ns
Write data setup time
t
WDS
(2.85 + 2n)t
CY
– 100
ns
Write data hold time
t
WDH
20
ns
WR low-level width
t
WRL
(2.85 + 2n)t
CY
– 60
ns
RD
delay time from ASTB
t
ASTRD
25
ns
WR
delay time from ASTB
t
ASTWR
0.85t
CY
+ 20
ns
ASTB
delay time from
RD
in external fetch
t
RDAST
0.85t
CY
– 10
1.15t
CY
+ 20
ns
Address hold time from
RD
in external fetch
t
RDADH
0.85t
CY
– 50
1.15t
CY
+ 50
ns
Write data output time from RD
t
RDWD
40
ns
Write data output time from WR
t
RDWD
0
50
ns
Address hold time from WR
t
WRADH
0.85t
CY
1.15t
CY
+ 40
ns
RD
delay time from WAIT
t
WTRD
1.15t
CY
+ 40
3.15t
CY
+ 40
ns
WR
delay time from WAIT
t
WTWR
1.15t
CY
+ 30
3.15t
CY
+ 30
ns
Remarks 1.
MCS: Oscillation mode selection register (OSMS) bit 0
2.
PCC2 to PCC0: Processor clock control register (PCC) bit 2 to 0
3.
t
CY
= T
CY
/4
4.
n indicates number of waits.
相關PDF資料
PDF描述
μPD78052Y 8Bit Single Chip Microcontrollers(8位單片微控制器)
μPD78053Y 8Bit Single Chip Microcontrollers(8位單片微控制器)
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μPD78055Y 8Bit Single Chip Microcontrollers(8位單片微控制器)
μPD78058Y 8Bit Single Chip Microcontrollers(8位單片微控制器)
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