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参数资料
| 型号： | AT89C52-12AA |
| 厂商： | ATMEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-Bit Microcontroller with 8K Bytes Flash |
| 中文描述： | 8-BIT, FLASH, 12 MHz, MICROCONTROLLER, PQFP44 |
| 封装： | 1 MM HEIGHT, PLASTIC, MS-026ACB, TQFP-44 |
| 文件页数： | 8/22页 |
| 文件大小： | 181K |
| 代理商： | AT89C52-12AA |
AT89C52
4-68
Figure 3.
Timer 2 Auto Reload Mode (DCEN = 1)
Figure 4.
Timer 2 in Baud Rate Generator Mode
OSC
EXF2
TF2
T2EX PIN
COUNT
DIRECTION
1=UP
0=DOWN
T2 PIN
TR2
CONTROL
OVERFLOW
(DOWN COUNTING RELOAD VALUE)
(UP COUNTING RELOAD VALUE)
TOGGLE
TIMER 2
INTERRUPT
12
RCAP2L
RCAP2H
0FFH
0FFH
TH2
TL2
C/T2 = 0
C/T2 = 1
÷
OSC
SMOD1
RCLK
TCLK
Rx
CLOCK
Tx
CLOCK
T2EX PIN
T2 PIN
TR2
CONTROL
"1"
"1"
"1"
"0"
"0"
"0"
TIMER 1 OVERFLOW
NOTE: OSC. FREQ. IS DIVIDED BY 2, NOT 12
TIMER 2
INTERRUPT
2
2
16
16
RCAP2L
RCAP2H
TH2
TL2
C/T2 = 0
C/T2 = 1
EXF2
CONTROL
EXEN2
TRANSITION
DETECTOR
÷
÷
÷
÷
相关PDF资料 |
PDF描述 |
|---|---|
| AT89C52-12AC | ECONOLINE: RY-S_DCP - Internal SMD Technology- 1kVDC Isolation- Short Circuit Protection: Current Limit- UL94V-0 Package Material- Regulated Output- No External Components Required- Efficiency to 63% |
| AT89C52-12AI | RY Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 15V; Output Voltage (Vdc): 15V; Power: 1W; On/Off Pin; 1kVDC Isolation; UL94V-0 Package Material; Optional Continuous Short Circuit Protected; Internal linear regulator; Efficiency to 70% |
| AT89C52-12JA | 8-Bit Microcontroller with 8K Bytes Flash |
| AT89C52-12JC | ECONOLINE: RY-S_DCP - Internal SMD Technology- 1kVDC Isolation- Short Circuit Protection: Current Limit- UL94V-0 Package Material- Regulated Output- No External Components Required- Efficiency to 63% |
| AT89C52-12JI | RY Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 15V; Output Voltage (Vdc): 24V; Power: 1W; On/Off Pin; 1kVDC Isolation; UL94V-0 Package Material; Optional Continuous Short Circuit Protected; Internal linear regulator; Efficiency to 70% |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AT89C52-12AC | 功能描述:8位微控制器 -MCU Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| AT89C52-12AC-5 | 功能描述:8位微控制器 -MCU Microcontroller RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| AT89C52-12AI | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-Bit Microcontroller with 8K Bytes Flash |
| AT89C52-12DM | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller |
| AT89C52-12DM/883 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller |
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