參數(shù)資料
型號: SAB-C513AO
廠商: INFINEON TECHNOLOGIES AG
元件分類: 8位微控制器
英文描述: 8-bit CMOS Microcontroller
中文描述: 8位CMOS微控制器
文件頁數(shù): 40/59頁
文件大?。?/td> 1634K
代理商: SAB-C513AO
C513AO
Data Sheet
38
02.00
Notes:
1) Capacitive loading on ports 0 and 2 may cause spurious noise pulses to be superimposed on the
V
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 > 100 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.
2) Capacitive loading on ports 0 and 2 may cause the
V
on ALE and PSEN to momentarily fall below the
0.9
V
DD
specification when the address lines are stabilizing.
3)
I
(power-down mode) is measured under following conditions:
EA = Port0 =
V
; RESET =
V
; XTAL2 = N.C.; XTAL1 =
V
SS
;
all other pins are disconnected.
I
DD
would be
slightly higher if a crystal oscillator is used (appr. 1 mA).
4)
I
(active mode) is measured with:
XTAL2 driven with
t
,
t
= 5 ns,
V
=
V
SS
+ 0.5 V,
V
=
V
DD
– 0.5 V; XTAL1 = N.C.;
EA = PE/SWD = Port 0 = Port 6 =
V
; HWPD =
V
;
RESET =
V
;
all other pins are disconnected.
I
DD
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
,
t
CHCL
= 5 ns,
V
=
V
+ 0.5 V,
V
=
V
DD
– 0.5 V; XTAL2 = N.C.;
RESET = EA =
V
SS
; Port0 =
DD
; all other pins are disconnected.
6)
I
(active mode with slow-down mode) is measured with all output pins disconnected and with all peripherals
disabled; XTAL1 driven with
t
CLCH
,
t
= 5 ns,
V
=
V
+ 0.5 V,
V
IH
=
V
DD
– 0.5 V; XTAL2 = N.C.;
RESET = EA =
V
SS
; Port0 =
V
DD
; all other pins are disconnected.
7)
I
(idle mode with slow-down mode) is measured with all output pins disconnected and with all peripherals
disabled; XTAL1 driven with
t
CLCH
,
t
= 5 ns,
V
=
V
+ 0.5 V,
V
IH
=
V
DD
– 0.5 V; XTAL2 = N.C.;
RESET = EA =
V
SS
; Port0 =
V
DD
; all other pins are disconnected.
8) Overload conditions occur if the standard operating conditions are exceeded, i.e. the voltage on any pin
exceeds the specified range (i.e.
V
>
V
+ 0.5 V or
V
<
V
– 0.5 V). The supply voltage
V
and
V
must remain within the specified limits. The absolute sum of input currents on all port pins may not exceed
50 mA.
9) Not 100% tested, guaranteed by design characterization.
10)The typical
I
DD
values are periodically measured at
T
A
= + 25 °C and
V
DD
= 5 V but not 100% tested.
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