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參數(shù)資料
| 型號(hào)： | d501gv |
| 廠(chǎng)商： | SIEMENS AG |
| 英文描述： | 8-Bit CMOS Microcontroller(8位 CMOS 微控制器) |
| 中文描述： | 8位CMOS微控制器（8位的CMOS微控制器） |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大?。?/td> | 47K |
| 代理商： | D501GV |
Semiconductor Group
5
3 V Specification / 06.97
C501GV
Notes :
1)
Capacitive loading on ports 0 and 2 may cause spurious noise pulses to be superimposed on the
V
OL
of ALE
and port 3. The noise is due to external bus capacitance discharging into the port 0 and port 2 pins when these
pins make 1-to-0 transitions during bus operation. In the worst case (capacitive loading : > 50 pF), the noise
pulse on ALE line may exceed 0.8 V. In such cases it may be desirable to qualify ALE with a schmitt-trigger,
or use an address latch with a schmitt-trigger strobe input.
Capacitive loading on ports 0 and 2 may cause the
V
OH
on ALE and PSEN to momentarily fall bellow the
V
IL
specification when the address lines are stabilizing.
2)
3)
I
(Power Down Mode) is measured under following conditions:
EA = Port0 =
V
CC
; RESET =
V
SS
; XTAL2 = N.C.; XTAL1 =
V
SS
; all other pins are disconnected.
4)
I
CC
(active mode) is measured with:
XTAL1 driven with
t
,
t
CHCL
= 5 ns,
V
IL
=
V
SS
+ 0.5 V,
V
IH
=
V
CC
– 0.5 V; XTAL2 = N.C.;
EA = Port0 = RESET =
V
CC
I
CC
would be slightly higher if a crystal oscillator
is used (appr. 1 mA).
5)
I
(Idle mode) is measured with all output pins disconnected and with all peripherals disabled;
XTAL1 driven with
t
CLCH
,
t
CHCL
= 5 ns,
V
IL
=
V
SS
+ 0.5 V,
V
IH
=
V
CC
– 0.5 V; XTAL2 = N.C.;
RESET = EA =
V
SS
; Port0 =
V
CC
; all other pins are disconnected;
where
f
OSC
is the oscillator frequency in MHz.
I
CC
values are given in mA and measured at
V
CC
= 3.3 V.
This parameter is periodically sampled and not 100% tested.
The typical
I
CC
values are periodically measured at
T
A
= +25 C and
V
= 3.0 V
but not 100% tested. The
maximum
I
CC
values are measured under worst case conditions (
V
CC
= 3.6 V
,
T
A
= 0 C).
6)
7)
ICC Diagram
CC
Ι
0
0
2
4
5
7
12
OSC
f
MCS03312
1
3
6
8
10
MHz
9
10
1
2
3
4
5
6
7
8
mA
Active Mode
Active Mode
Idle Mode
Idle Mode
CC max
Ι
Ι
CC typ
Active Mode :
Idle Mode :
CC max
Ι
Ι
CC max
= 0.76 x + 0.24
= 0.31 x + 0.63
f
f
is the oscillator frequency in MHz. values are given in mA.
OSC
f
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