AT80C32X2-SLRUM Atmel, AT80C32X2-SLRUM Datasheet - Page 38

• Manufacturer Part Number: AT80C32X2-SLRUM
• Description: MCU ROMLESS 32X2 3V 44-PLCC
• Manufacturer: Atmel
• Series: 80Cr

Specifications of AT80C32X2-SLRUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40/20MHz
• Connectivity: UART/USART
• Peripherals: POR
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

DC Parameters for Low
Voltage
Table 23. DC Parameters for Low Voltage
Notes:
38
operating
Symbol
RESET
under
V
R
V
CIO
V
V
V
idle
V
V
I
I
I
I
I
OH1
I
I
CC
CC
CC
OL1
RST
PD
IH1
TL
OL
OH
IL
LI
IH
IL
1. I
2. Idle I
3. Power Down I
4. Capacitance loading on Ports 0 and 2 may cause spurious noise pulses to be superimposed on the V
5. Typicals are based on a limited number of samples and are not guaranteed. The values listed are at room temperature and
6. Under steady state (non-transient) conditions, I
TS8xCx2X2
V
V
0.5V; XTAL2 N.C; Port 0 = V
ure 16.).
and 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 cases (capacitive loading 100pF), the noise pulse on the ALE line may exceed
0.45V with maxi V
5V.
Maximum I
Maximum I
CC
Parameter
Input Low Voltage
Input High Voltage except XTAL1, RST
Input High Voltage, XTAL1, RST
Output Low Voltage, ports 1, 2, 3
Output Low Voltage, port 0, ALE, PSEN
Output High Voltage, ports 1, 2, 3
Output High Voltage, port 0, ALE, PSEN
Logical 0 Input Current ports 1, 2 and 3
Input Leakage Current
Logical 1 to 0 Transition Current, ports 1, 2, 3
RST Pulldown Resistor
Capacitance of I/O Buffer
Power Down Current
Power Supply Current Maximum values, X1
mode:
Power Supply Current Maximum values, X1
mode:
Power Supply Current Maximum values, X1
mode:
SS
IH
under reset is measured with all output pins disconnected; XTAL1 driven with T
= V
+ 0.5V,
CC
CC
(7)
(7)
(7)
is measured with all output pins disconnected; XTAL1 driven with T
- 0.5V; XTAL2 N.C.; EA = RST = Port 0 = V
OL
OL
per port pin: 10 mA
per 8-bit port:
CC
is measured with all output pins disconnected; EA = V
OL
peak 0.6V. A Schmitt Trigger use is not necessary.
T
T
A
A
CC
= 0°C to +70°C; V
= -40°C to +85°C; V
; EA = RST = V
(6)
(6)
SS
OL
0.2 V
(see Figure 15.).
SS
must be externally limited as follows:
0.7 V
0.9 V
0.9 V
SS
Min
-0.5
= 0 V; V
CC
50
CC
= 0 V; V
+ 0.9
CC
CC
CC
. I
CC
would be slightly higher if a crystal oscillator used..
CC
CC
= 2.7 V to 5.5V ; F = 0 to 30 MHz.
90
20
10
Typ
= 2.7 V to 5.5V ; F = 0 to 30 MHz.
(5)
(5)
(5)
SS
, PORT 0 = V
CLCH
at12MHz 3.4
at16MHz 4.2
at12MHz 4.6
at16MHz 5.8
at16MHz 2.6
0.2 V
1 + 0.2 Freq
1 + 0.3 Freq
(MHz) + 0.2
at12MHz 2
0.15 Freq
V
V
, T
CC
CC
(MHz)
(MHz)
Max
-650
0.45
0.45
±10
200
-50
10
50
30
CC
CHCL
+ 0.5
+ 0.5
CLCH
- 0.1
CC
, T
= 5 ns, V
; XTAL2 NC.; RST = V
CHCL
Unit
mA
mA
mA
µA
µA
µA
kΩ
µA
pF
V
V
V
V
V
V
V
= 5 ns (see Figure 17.), V
IL
= V
OL
V
V
SS
CC
s of ALE and Ports 1
CC
0.45V < Vin < V
Test Conditions
I
I
+ 0.5V, V
V
V
V
OL
OL
= 2.0 V to 3.3 V
= 2.0 V to 5.5V
I
I
Vin = 0.45V
Fc = 1 MHz
OH
OH
Vin = 2.0 V
CC
CC
CC
T
= 0.8 mA
= 1.6 mA
A
4184I–8051–02/08
= -10 µA
= -40 µA
= 3.3 V
= 3.3 V
= 3.3 V
= 25°C
SS
IH
(see Fig-
(1)
(8)
(2)
(4)
(4)
= V
CC
(3)
(3)
CC
IL
=
-