參數(shù)資料
型號(hào): UPD77112GC
廠商: NEC Corp.
元件分類: 數(shù)字信號(hào)處理
英文描述: 16-BIT FIXED-POINT DIGITAL SIGNAL PROCESSORS
中文描述: 16位定點(diǎn)數(shù)字信號(hào)處理器
文件頁(yè)數(shù): 62/80頁(yè)
文件大?。?/td> 451K
代理商: UPD77112GC
Data Sheet U12801EJ4V0DS00
62
μ
PD77110, 77111, 77112
μ
PD77111, 77112
Bus arbitration timing (when bus is idle)
CLKIN
t
suHRQ
BSTB
HOLDRQ
HOLDAK
X/Y, DA0 - DA13,
MRD, MWR
t
hBS
(Bus busy)
Bus idle
t
dBS
t
dHAK
t
h (BS-D)
t
hHRQ
t
suHRQ
Bus release
Bus idle
(Bus busy)
t
hHRQ
t
v (BS-D)
t
dHAK
Hi-Z
Bus arbitration timing (when bus is busy)
CLKIN
t
suHRQ
BSTB
HOLDRQ
HOLDAK
X/Y, DA0 - DA13,
MRD, MWR
(Bus busy)
Bus busy
t
hBS
t
dHAK
t
suHRQ
Bus idle
Bus idle
(Bus busy)
t
hHRQ
t
v (BS-D)
t
dHAK
Bus release
t
hHRQ
t
dBS
t
h (BS-D)
Hi-Z
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