参数资料
型号: AT90S1200
厂商: Atmel Corp.
元件分类: 8位微控制器
英文描述: -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash
中文描述: 位AVR微控制器具有8K字节的系统内可编程闪存
文件页数: 6/9页
文件大小: 128K
代理商: AT90S1200
AVR410
6
;*
;* If success: The command and system address are
;* returned in "command" and "system".
;* Bit 6 of "command" holds the toggle bit.
;*
;* If failed: $FF in both "system" and "command"
;*
;* Crystal frequency is 4MHz
;*
;* Number of words:72
;* Low registers used: 3
;* High registers used: 6
;* Pointers used: 0
;********************************************************************
detect:
clr
inttemp
; Init Counters
clr
timerH
detect1:
clr
timerL
detect2:
cpi
timerH,8
;If line not idle within 131ms
brlo
dl1
rjmp
fault
;then exit
dl1:
cpi
timerL,55
;If line low for 3.5ms
brge
start1
;then wait for start bit
sbis
PIND,INPUT
;If line is
rjmp
detect1
;low - jump to detect1
rjmp
detect2
;high - jump to detect2
start1:
cpi
timerH,8
;If no start bit detected
brge
fault
;within 130ms then exit
sbic
PIND,INPUT
;Wait for start bit
rjmp
start1
clr
timerL
;Measure length of start bit
start2:
cpi
timerL,17
;If startbit longer than 1.1ms,
brge
fault
;exit
sbis
PIND,INPUT
rjmp
start2
;Positive edge of 1st start bit
mov
temp,timerL
;timer is 1/2 bit time
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AT90S1200/A 制造商:未知厂家 制造商全称:未知厂家 功能描述:AT90S1200/A Rev. F Errata [Updated 9/01. 2 Pages]
AT90S1200_02 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Microcontroller with 1K Byte of In-System Programmable Flash
AT90S1200-12PC 功能描述:8位微控制器 -MCU 1K FLASH 5V 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
AT90S1200-12PI 功能描述:IC MCU 1K FLSH 12MHZ IT 20DIP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:AVR® 90S 标准包装:9 系列:87C 核心处理器:8051 芯体尺寸:8-位 速度:40/20MHz 连通性:UART/USART 外围设备:POR,WDT 输入/输出数:32 程序存储器容量:32KB(32K x 8) 程序存储器类型:OTP EEPROM 大小:- RAM 容量:256 x 8 电压 - 电源 (Vcc/Vdd):4.5 V ~ 5.5 V 数据转换器:- 振荡器型:内部 工作温度:0°C ~ 70°C 封装/外壳:40-DIP(0.600",15.24mm) 包装:管件
AT90S1200-12SC 功能描述:8位微控制器 -MCU 1K Flash 5V 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