參數(shù)資料
型號(hào): UPD780021AY
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 8位單晶片微控制器
文件頁(yè)數(shù): 67/90頁(yè)
文件大小: 660K
代理商: UPD780021AY
μ
PD78F0034B, 78F0034BY, 78F0034B(A), 78F0034BY(A)
67
Data Sheet U16369EJ1V0DS
External data access (no wait):
External data access (wait insertion):
A8 to A15
AD0 to AD7
ASTB
RD
Higher 8-bit address
Lower 8-bit
address
t
ADS
t
ADD2
Hi-Z
t
RDAD
t
ASTH
t
ADH
t
RDD2
Read data
t
ASTRD
t
RDWD
WR
t
ASTWR
Write data
Hi-Z
t
WDH
t
WRADH
t
WDS
t
WRWD
t
WRL1
t
RDH
t
RDL2
A8 to A15
AD0 to AD7
ASTB
RD
Higher 8-bit address
Lower 8-bit
address
t
ADD2
t
ADS
t
ASTH
t
ADH
t
RDAD
t
RDD2
Read data
t
ASTRD
WR
t
ASTWR
Write data
Hi-Z
t
WDH
t
WRADH
t
WDS
t
WRWD
t
WRL1
t
RDH
t
RDL2
t
RDWT2
t
WTL
t
WRWT
t
WTL
t
WTWR
t
WTRD
WAIT
t
RDWD
Hi-Z
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