参数资料
型号: AT89C51IC2-RLRUL
厂商: Atmel
文件页数: 34/140页
文件大小: 0K
描述: IC 8051 MCU 32K FLASH 44-VQFP
产品培训模块: MCU Product Line Introduction
标准包装: 1,500
系列: 89C
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: I²C,SPI,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 34
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 1.25K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 3.6 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LQFP
包装: 标准包装
产品目录页面: 616 (CN2011-ZH PDF)
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
其它名称: AT89C51IC2-RLRULDKR
129
AT89C51IC2
4301D–8051–02/08
Notes:
1. Operating ICC is measured with all output pins disconnected; XTAL1 driven with TCLCH, TCHCL = 5 ns (see Figure 56.), VIL =
VSS + 0.5V,
VIH = VCC - 0.5V; XTAL2 N.C.; EA = RST = Port 0 = VCC. ICC would be slightly higher if a crystal oscillator used (see Figure
2. Idle ICC is measured with all output pins disconnected; XTAL1 driven with TCLCH, TCHCL = 5 ns, VIL = VSS + 0.5V, VIH = VCC -
0.5V; XTAL2 N.C; Port 0 = VCC; EA = RST = VSS (see Figure 54).
3. Power Down ICC is measured with all output pins disconnected; EA = VSS, PORT 0 = VCC; XTAL2 NC.; RST = VSS (see Fig-
4. Capacitance loading on Ports 0 and 2 may cause spurious noise pulses to be superimposed on the VOLs of ALE and Ports 1
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 VOL peak 0.6V. A Schmitt Trigger use is not necessary.
5. Typical are based on a limited number of samples and are not guaranteed. The values listed are at room temperature and
5V.
6. Under steady state (non-transient) conditions, IOL must be externally limited as follows:
Maximum IOL per port pin: 10 mA
Maximum IOL per 8-bit port:
Port 0: 26 mA
Ports 1, 2 and 3: 15 mA
Maximum total IOL for all output pins: 71 mA
If IOL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater
than the listed test conditions.
7. For other values, please contact your sales office.
8. Icc Flash Write operation current while an on-chip flash page write is on going.
9. Flash Retention is guaranteed with the same formula for VCC Min down to 0.
VOH1
Output High Voltage, port 0, ALE, PSEN
VCC - 0.3
VCC - 0.7
VCC - 1.5
V
VCC = 5V ± 10%
IOH = -200 A
IOH = -3.2 mA
IOH = -7.0 mA
0.9 VCC
V
VCC = 2.7V to 5.5V
IOH = -10 A
RRST
RST Pulldown Resistor
50
200(5)
250
k
IIL
Logical 0 Input Current ports 1, 2, 3, 4 and 5
-50
A
VIN = 0.45V
ILI
Input Leakage Current for P0 only
±
10
A
0.45V < VIN < VCC
ITL
Logical 1 to 0 Transition Current, ports 1, 2, 3, 4
-650
A
VIN = 2.0V
C
IO
Capacitance of I/O Buffer
10
pF
Fc = 3 MHz
TA = 25°C
I
PD
Power Down Current
100
150
A
4.5V < V
CC < 5.5V
(3)
I
CCOP
Power Supply Current on normal mode
0.4 x Frequency (MHz) + 5
mA
V
CC = 5.5V
(1)
I
CCIDLE
Power Supply Current on idle mode
0.3 x Frequency (MHz) + 5
mA
V
CC = 5.5V
(1)
I
CCProg
Power Supply Current during flash Write / Erase
0.4 x
Frequency
(MHz) + 20
mA
V
CC = 5.5V
(8)
TA = -40°C to +85°C; VSS = 0V;
VCC =2.7V to 5.5V and F = 0 to 40 MHz (both internal and external code execution)
VCC =4.5V to 5.5V and F = 0 to 60 MHz (internal code execution only) (Continued)
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
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