參數(shù)資料
型號: UPD78P4038Y
廠商: NEC Corp.
英文描述: 16/8-BIT SINGLE-CHIP MICROCONTROLLER
中文描述: 16/8-BIT單片機
文件頁數(shù): 40/72頁
文件大?。?/td> 435K
代理商: UPD78P4038Y
μ
PD78P4038Y
40
CLOCK OUTPUT OPERATION
Remarks
n:
Divided frequency ratio set by software in the CPU (n = 1, 2, 4, 8, 16)
t
CYK
(system clock cycle time)
T:
OTHER OPERATIONS
Remarks
t
CYSMP
: Sampling clock set by software
t
CYCPU
: CPU operation clock set by software in the CPU
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
Parameter
CLKOUT cycle time
CLKOUT low-level width
CLKOUT high-level width
CLKOUT rise time
CLKOUT fall time
MIN.
nT
0.5t
CYCL
– 10
0.5t
CYCL
– 20
0.5t
CYCL
– 10
0.5t
CYCL
– 20
MAX.
10
20
10
20
Conditions
V
DD
= +5.0 V
±
10%
V
DD
= +5.0 V
±
10%
V
DD
= +5.0 V
±
10%
V
DD
= +5.0 V
±
10%
Symbol
t
CYCL
t
CLL
t
CLH
t
CLR
t
CLF
Unit
μ
s
μ
s
ns
ns
ns
ns
μ
s
μ
s
μ
s
μ
s
Parameter
NMI low-level width
NMI high-level width
INTP0 low-level width
INTP0 high-level width
Low-level width for INTP1-
INTP3 and CI
High-level width for INTP1-
INTP3 and CI
Low-level width for INTP4 and
INTP5
High-level width for INTP4 and
INTP5
RESET low-level width
RESET high-level width
Symbol
t
WNIL
t
WNIH
t
WIT0L
t
WIT0H
t
WIT1L
t
WIT1H
t
WIT2L
t
WIT2H
t
WRSL
t
WRSH
MIN.
10
10
4t
CYSMP
4t
CYSMP
4t
CYCPU
4t
CYCPU
10
10
10
10
MAX.
Conditions
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