參數(shù)資料
型號(hào): MB91F367GA
廠商: Fujitsu Limited
元件分類: 微控制器
英文描述: 32-BIT MICROCONTROLLER
中文描述: 32位微控制器
文件頁(yè)數(shù): 37/62頁(yè)
文件大?。?/td> 713K
代理商: MB91F367GA
FME / EMDC / Br+JR - mb91f367g_f368g_ds.fm 37
10-Apr-01
9.3.2 Analog Power Consumption
To calculate the analog power consumption P
A
, the current contributions of the active modules have to be multi-
plied by the maximum analog supply voltage of 5.1 V.
9.3.3 I/O Power Consumption
I/O Buffers
:
The power dissipation (P
IO
) (at 5.25 V) of the I/O buffers is represented as the sum of the dynamic power dissipa-
tion (P
AC
) and the static power consumption (P
DC
).
P
IO
= P
AC
* 1.1 + P
DC
The following table lists values for P
AC
:
P
AC
= P
IB
* In * f * operating rate + P
OB
* On * f * operating rate
P
IB
:
P
OB
:
In:
On:
f:
Operating rate:
Power Consumption of Input Buffers and Bidirectional Inputs
Power Consumption of Output Buffers and Bidirectional Outputs
Total number of input buffers and bidirectional buffer inputs
Total number of output buffers and bidirectional buffer outputs
System frequency
1.0 if all buffers are switched simultaneously at system frequency
P
DC
is the caused by off chip loads which are drawing static currents.
P
DC
= VO * IO * DC
N
Module
Maximum Current
Consumption
Remarks
DAC
1 mA / channel
ADC
7 mA
Power down reset
0.5 mA
Alarm Comparator
0.5 mA
Buffer Type
Power
Consumption
Unit
Normal Input
12.4
μ
W/MHz
@ 5.0V
Bidirectional Input
4 mA Bidirectional Output
194 + 25 C
L
4 mA Output
8 mA Bidirectional Output
353 + 25 C
L
8 mA Output
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