AT89C51RE2-SLSUM Atmel, AT89C51RE2-SLSUM Datasheet - Page 167

• Manufacturer Part Number: AT89C51RE2-SLSUM
• Description: MCU 8BIT FLASH 2.7-5.5V 44-PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51RE2-SLSUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 60MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Package: 44PLCC
• Device Core: 8051
• Family Name: 89C
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 34
• Interface Type: SPI/TWI/UART
• Number Of Timers: 3
• Processor Series: AT89x
• Core: 8051
• Data Ram Size: 8 KB
• Maximum Clock Frequency: 40 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89OCD-01
• Minimum Operating Temperature: - 40 C
• Cpu Family: 89C
• Device Core Size: 8b
• Frequency (max): 40MHz
• Total Internal Ram Size: 8KB
• # I/os (max): 34
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 44
• Package Type: PLCC
• For Use With: AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCUAT89STK-11 - KIT STARTER FOR AT89C51RX2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

T
Notes:
7663E–8051–10/08
A
Symbol
= -40°C to +85°C; V
I
I
CCWRITE
t
I
CCIDLE
R
WRITE
CCOP
C
I
I
I
I
RST
PD
TL
IL
LI
IO
1. Operating 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. Typical values are based on a limited number of samples and are not guaranteed. The values listed are at room temperature
6. Under steady state (non-transient) conditions, I
V
(see Figure 71).
0.5V; XTAL2 N.C; Port 0 = V
ure 73).
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 100 pF), the noise pulse on the ALE line may exceed
0.45V with maxi V
and 5V.
Maximum I
Maximum I
Port 0: 26 mA
Ports 1, 2 and 3: 15 mA
Maximum total I
If I
than the listed test conditions.
Parameter
RST Pull-down Resistor
Logical 0 Input Current ports 1, 2, 3, 4 and 5
Input Leakage Current
Logical 1 to 0 Transition Current, ports 1, 2, 3, 4
Capacitance of I/O Buffer
Power-down Current
Power Supply Current on normal mode
Power Supply Current on idle mode
Power Supply Current on flash write
Flash programming time
SS
OL
+ 0.5V, V
CC
exceeds the test condition, V
is measured with all output pins disconnected; XTAL1 driven with T
OL
OL
CC
SS
IH
CC
per port pin: 10 mA
per 8-bit port:
is measured with all output pins disconnected; XTAL1 driven with T
= 0V; V
= V
OL
is measured with all output pins disconnected; EA = V
Figure 71. I
OL
for all output pins: 71 mA
CC
peak 0.6V. A Schmitt Trigger use is not necessary.
- 0.5V; XTAL2 N.C.; EA = RST = Port 0 = V
CC
=2.7V to 5.5V; F = 0 to 40 MHz (Continued)
CC
; EA = RST = V
CC
CLOCK
SIGNAL
Test Condition, Active Mode
OL
(NC)
may exceed the related specification. Pins are not guaranteed to sink current greater
V
CC
SS
OL
RST
XTAL2
XTAL1
V
(see Figure 72).
SS
must be externally limited as follows:
Min
50
V
EA
CC
I
P0
CC
V
200
Typ
CC
75
V
7
CC
(5)
CC
. I
0.8 x Frequency (MHz) + 15
0.4 x Frequency (MHz) + 5
0.3 x Frequency (MHz) + 5
CC
CC
, PORT 0 = V
would be slightly higher if a crystal oscillator used
CLCH
All other pins are disconnected.
, T
Max
-650
250
± 10
150
-50
10
10
CLCH
CHCL
, T
CC
= 5 ns, V
; XTAL2 NC.; RST = V
CHCL
= 5 ns (see Figure 74), V
AT89C51RE2
IL
Unit
= V
mA
mA
mA
ms
k Ω
μ A
μ A
μ A
pF
μ A
OLS
SS
of ALE and Ports 1
Test Conditions
V
0.45V < V
V
F
T
2.7 < V
V
V
V
2.7 < V
+ 0.5V, V
A
IN
IN
C
CC
CC
CC
= 25 ° C
= 3 MHz
= 0.45V
= 2.0V
= 5.5V
= 5.5V
= 5.5V
CC <
CC <
SS
IN
IH
(see Fig-
(1)
(2)
5.5V
5.5V
< V
= V
CC
(3)
167
CC
IL
=
-