參數(shù)資料
型號(hào)： UPD78218ACW
廠商： NEC Corp.
元件分類： 8位微控制器
英文描述： 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述： 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁(yè)數(shù)： 46/66頁(yè)
文件大?。?/td> 510K
代理商： UPD78218ACW
46
μ
PD78217A, 78218A
Input
External clock
1.0
μ
s
Serial clock cycle time
t
CYSK
Internal divided by 16
1.3
μ
s
Internal divided by 64
5.3
μ
s
Input
External clock
420
ns
Serial clock low-level width
t
WSKL
Internal divided by 16
556
ns
Internal divided by 64
2.5
μ
s
Input
External clock
420
ns
Serial clock high-level width
t
WSKH
Internal divided by 16
556
ns
Internal divided by 64
2.5
μ
s
SI, SB0 setup time (to SCK
↑
)
t
SSSK
150
ns
SI, SB0 hold time (from SCK
↑
)
t
HSSK
400
ns
CMOS push-pull output
SO/SB0 output delay time
(3-wire serial I/O mode)
(from SCK
↓
)
Open-drain output (SBI mode),
R
L
= 1 k
SB0 high hold time (from SCK
↑
)
t
HSBSK
4
t
CYX
SB0 low setup time (to SCK
↓
)
t
SSBSK
4
t
CYX
SB0 low-level width
t
WSBL
4
t
CYX
SB0 high-level width
t
WSBH
4
t
CYX
SERIAL OPERATION
PARAMETER
SYMBOL
TEST CONDITIONS
MIN.
MAX.
UNIT
Output
Output
Output
SBI mode
t
DSBSK1
0
300
ns
t
DSBSK2
0
800
ns
Remark
The values in the above table are based on "f
XX
= 12 MHz and C
L
= 100 pF".
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