SAB80C517-M16 SIEMENS [Siemens Semiconductor Group], SAB80C517-M16 Datasheet - Page 310
![no-image](/images/no-image-200.jpg)
SAB80C517-M16
Manufacturer Part Number
SAB80C517-M16
Description
8-Bit CMOS Single-Chip Microcontroller
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.SAB80C517-M16.pdf
(323 pages)
- Current page: 310 of 323
- Download datasheet (4Mb)
Notes for pages 308, 309 and 310:
1) Capacitive loading on ports 0 and 2 may cause spurious noise pulses to be superimposed
2) Capacitive loading on ports 0 and 2 may cause the V
3) Power down I
4) I
5) I
6) I
7) The output impedance of the analog source must be low enough to assure full loading of the
8) The differential impedance
9) Exceeding the limit values at one or more input channels will cause additional current which
10) Only valid for not selected analog inputs.
11) No missing code.
Semiconductor Group
on the V
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.
fall below the 0.9 V
EA = RESET = V
V
signal according to the figure below; XTAL1 = N.C.;
EA = OWE = PE/SWD = V
RESET = V
disabled; XTAL2 driven with clock signal according to the figure below; XTAL1 = N.C.;
RESET = OWE = V
I
disabled;
Port 7 = Port 8 = V
idle mode: I
Where f
V
sample capacitance (C
in the load time (T
(T
1 k at reference supply voltage.
is sinked sourced at these channels. This may also affect the accuracy of other channels
which are operated within the specification.
C C
CC
CC
CC
AGND
CC
S
).
(idle mode,) is measured with all output pins disconnected and with all peripherals
(slow down mode) is measured with all output pins disconnected and with all peripherals
(max.) at other frequencies is given by: active mode: I
(active mode) is measured with all output pins disconnected; XTAL2 driven with clock
= 5 V (see also notes 4 and 5).
= N.C.; V
OSC
OL
SS
XTAL2 driven with clock signal according to the figure below; XTAL = N.C.;
of ALE and ports 1, 3, 4, 5 and 6. The noise is due to external bus capacitance
CC
is the oscillator frequency in MHz. I
PD
. I
max = 1.0
AREF
CC
is measured with all output pins disconnected;
CC
L
CC
would be slightly higher if a crystal oscillator is used.
) the analog input must be held constant for the rest of the sample time
CC
CC
; Port 0 = Port 7 = Port 8 = V
= V
;
; Port 0 = Port 7 = Port 8 = V
specification when the address lines are stabilizing.
I
) during load time (T
CC
EA = PE/SWD = V
*
CC
f
; PE/SWD = OWE = V
OSC
R
; Port 0 = Port 7 = Port 8 = V
D
of the analog reference voltage source must be less than
+ 3.0
311
L
). After charging of the internal capacitance (C
SS
.
CC
CC
SS
values are given in mA and measured at
CC
; XTAL1 = N.C.; XTAL2 = V
.
OH
; EA = PE/SWD = V
on ALE and PSEN to momentarily
CC
CC
;
max = 3.1
SAB 80C517/80C537
*
f
SS
OSC
.
SS
+ 3.0
;
I
)
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