参数资料
型号: AT89C51ID2-SLSUM
厂商: Atmel
文件页数: 36/157页
文件大小: 0K
描述: IC 8051 MCU FLASH 64K 44PLCC
产品培训模块: MCU Product Line Introduction
标准包装: 972
系列: 89C
核心处理器: 8051
芯体尺寸: 8-位
速度: 60MHz
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: 64KB(64K x 8)
程序存储器类型: 闪存
EEPROM 大小: 2K x 8
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 管件
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
130
AT89C51ID2
4289C–8051–11/05
Command Data Stream
Protocol
All commands are sent using the same flow. Each frame sent by the host is echoed by
the bootloader.
Figure 52. Command Flow
4800
OKOKOKOKOK
OKOKOKOK
9600
OKOKOKOKOK
OKOKOKOK
19200
OK
38400
-
OK
57600
-
OK
-
OK
OKOKOKOK
115200
--
OK
-
OK
-
---
Table 95. Autobaud Performances (Continued)
Frequency (MHz)
Baudrate (kHz)
1.8432
2
2.4576
3
3.6864
4
5
6
7.3728
Bootloader
":"
Sends first character of the
Frame
If (not received ":")
Sends frame (made of 2 ASCII
Gets frame, and sends back ec
for each received byte
Host
Else
":"
Sends echo and start
reception
characters per byte)
Echo analysis
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