TS80C51RA2-VCB Atmel, TS80C51RA2-VCB Datasheet - Page 60

• Manufacturer Part Number: TS80C51RA2-VCB
• Description: IC MCU 8BIT 256BYTE 40MHZ 44PLCC
• Manufacturer: Atmel
• Series: 80Cr

Specifications of TS80C51RA2-VCB

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40/30MHz
• Connectivity: UART/USART
• Peripherals: POR, PWM, WDT
• 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: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

TS80C51RA2/RD2
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
NOTES
1.
V
2.
N.C; Port 0 = V
3.
4.
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
5.
6.
If I
7.
8.
V
higher if a crystal oscillator is used. Measurements are made with OTP products when possible, which is the worst case.
60
IH
IH
Symbol
OL
= V
= V
I
idle
I
Idle I
Power Down I
Capacitance loading on Ports 0 and 2 may cause spurious noise pulses to be superimposed on the V
Typicals are based on a limited number of samples and are not guaranteed. The values listed are at room temperature and 5V.
Under steady state (non-transient) conditions, I
Maximum I
Maximum I
Port 0: 26 mA
Ports 1, 2, 3 and 4 and 5 when available: 15 mA
Maximum total I
For other values, please contact your sales office.
Operating I
exceeds the test condition, V
CC
CC
CC
CC
under reset is measured with all output pins disconnected; XTAL1 driven with T
CC
- 0.5V; XTAL2 N.C.; EA = RST = Port 0 = V
- 0.5V; XTAL2 N.C.; EA = Port 0 = V
is measured with all output pins disconnected; XTAL1 driven with T
Power Supply Current Maximum values, X1
mode:
CC
OL
OL
CC
; EA = RST = V
CC
per port pin: 10 mA
per 8-bit port:
is measured with all output pins disconnected; XTAL1 driven with T
OL
(7)
is measured with all output pins disconnected; EA = V
for all output pins: 71 mA
Parameter
OL
SS
may exceed the related specification. Pins are not guaranteed to sink current greater than the listed test conditions.
(see Figure 22.).
Figure 20. I
CLOCK
SIGNAL
CC
; RST = V
OL
(NC)
CC
must be externally limited as follows:
. I
CC
CC
V
SS
CC
. The internal ROM runs the code 80 FE (label: SJMP label). I
would be slightly higher if a crystal oscillator used..
Test Condition, under reset
RST
XTAL2
XTAL1
V
Min
SS
V
SS
EA
CC
, PORT 0 = V
I
P0
CC
CLCH
V
Typ
, T
CC
V
CLCH
CHCL
CLCH
CC
CC
, T
, T
= 5 ns, V
OL
@16MHz 2.6
; XTAL2 NC.; RST = V
CHCL
(MHz) + 0.2
@12MHz 2
CHCL
0.15 Freq
peak 0.6V. A Schmitt Trigger use is not necessary.
Max
= 5 ns (see Figure 24.), V
= 5 ns (see Figure 24.), V
IL
All other pins are disconnected.
OL
= V
s of ALE and Ports 1 and 3. The noise is
SS
+ 0.5 V, V
Unit
mA
Rev. C - 06 March, 2001
SS
V
(see Figure 23.).
IH
CC
Test Conditions
= V
CC
= 3.3 V
IL
IL
CC
would be slightly
= V
= V
- 0.5 V; XTAL2
SS
(2)
SS
+ 0.5 V,
+ 0.5 V,