SAB80C515A-5 SIEMENS [Siemens Semiconductor Group], SAB80C515A-5 Datasheet - Page 97
![no-image](/images/no-image-200.jpg)
SAB80C515A-5
Manufacturer Part Number
SAB80C515A-5
Description
8-Bit CMOS Single-Chip Microcontroller Family
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.SAB80C515A-5.pdf
(108 pages)
- Current page: 97 of 108
- Download datasheet (2Mb)
Notes for page 44:
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) I
4) I
5) I
6) I
7) I
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
PE/SWD = V
disconnected.
I
XTAL2 driven with t
EA = PE/SWD = V
all other pins are disconnected. I
pr. 1 mA).
abled; XTAL2 driven with t
= N.C.; RESET = V
pins are disconnected;
disabled;
XTAL2 driven with t
N.C.; RESET = V
disconnected;
active mode: I
idle mode: I
where f
measured at V
CC Max
PD
PD
CC
CC
CC
(Software Power Down Mode) is measured under following conditions:
(Hardware Power Down Mode): independent of any particular pin connection.
(active mode) is measured with:
(slow down mode) is measured with all output pins disconnected and with all peripherals
(Idle mode) is measured with all output pins disconnected and with all peripherals dis-
OSC
at other frequencies is given by:
OL
CC
of ALE and ports 1, 3, 4 and 5. The noise is due to external bus capacitance
is the oscillator frequency in MHz. I
SS
CC
(max)= 0.4
CC
; HWPD = V
(max) = 1.5
CC
CC
= 5 V.
CC
C C
CLCH
; Port0 = Port6 = V
CC
CLCH
; HWPD = V
; Port0 = Port6 = V
; HWPD = V
specification when the address lines are stabilizing.
, t
, t
CHCL
CLCH
* f
CC
CHCL
OSC
* f
; V
OSC
, t
= 5 ns, V
CC
AGND
CHCL
= 5 ns, V
+ 7
CC
CC
would be slightly higher if a crystal oscillator is used (ap-
+ 8
; Port6 = V
; Port0 = Port6 = V
= 5 ns, V
CC
= V
CC
IL
6-45
; XTAL1 = N.C.; XTAL2 = V
SS
; HWPD = V
IL
= V
= V
; V
SS
IL
ARef
CC
CC
SS
+ 0.5 V, V
= V
; EA = PE/SWD = V
values are given in mA and
+ 0.5 V, V
= V
SS
OH
CC
CC
+ 0.5 V, V
on ALE and PSEN to momentarily
CC
; RESET = V
; all other pins are
SAB 80C515A/83C515A-5
IH
; EA = PE/SWD = V
= V
IH
CC
= V
IH
– 0.5 V; XTAL1 = N.C.;
= V
CC
SS
SS
SS
CC
– 0.5 V; XTAL1 =
;
;
; all other pins are
– 0.5 V; XTAL1
SS;
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