參數(shù)資料
型號: M44C892-H
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20
封裝: SSO-20
文件頁數(shù): 79/84頁
文件大小: 648K
代理商: M44C892-H
M44C892–H
M44C092–H
Rev. A2, 14-Dec-01
80 (84)
2.0
2.5
3.0
3.5
4.0
4.5
5.0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
f RC_
IN
T
(
MHz
)
VDD ( V )
Tamb = –40
_C
25
_C
105
_C
Figure 96. Internal RC frequency vs. VDD
3.4
3.6
3.8
4.0
4.2
4.4
4.6
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
f RC_
E
X
T
(
MHz
)
VDD ( V )
Tamb = –40
_C
25
_C
105
_C
Rext = 170 kOhm
Figure 97. External RC frequency vs. VDD
0.01
0.10
1.00
10.00
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
VDD ( V )
SYSCLKmax
f SY
SCL
K
(
MHz
)
SYSCLKmin
Figure 98. System clock vs. VDD
2.0
2.5
3.0
3.5
4.0
4.5
5.0
–40 –20
0
20
40
60
80
100 120
f RC_
IN
T
(
MHz
)
Tamb ( _C )
VDD = 6.5 V
3 V
2 V
Figure 99. Internal RC frequency vs. Tamb
3.4
3.6
3.8
4.0
4.2
4.4
4.6
–40 –20
0
20
40
60
80
100 120
f RC_
E
X
T
(
MHz
)
Tamb ( _C )
VDD = 6.5 V
3 V
2 V
Rext = 170 kOhm
Figure 100. External RC frequency vs. Tamb
1.5
2.5
3.5
4.5
5.5
6.5
7.5
100
150
200
250
300
350
400
f RC_
E
X
T
(
MHz
)
Rext ( kOhm )
max.
Tamb
=
25
_C,
VDD = 3 V
typ.
min.
Figure 101. External RC frequency vs. Rext
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