參數(shù)資料
型號: MC68HC11D0CFN3R2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 3/131頁
文件大?。?/td> 1640K
代理商: MC68HC11D0CFN3R2
MOTOROLA
TIMING SYSTEM
MC68HC11D3
9-14
TECHNICAL DATA
Clear flags by writing a one to the corresponding bit position(s).
TOF — Timer Overflow Interrupt Flag
Set when TCNT changes from $FFFF to $0000
RTIF — Real-Time Interrupt Flag
The RTIF status bit is automatically set to one at the end of every RTI period. To clear
RTIF, write a byte to TFLG2 with bit 6 set.
PAOVF — Pulse Accumulator Overflow Interrupt Flag
PAIF — Pulse Accumulator Input Edge Interrupt Flag
Bits [3:0] — Not implemented
Always read zero
9.4.2 Pulse Accumulator Control Register
Bits RTR[1:0] of this register select the rate for the real-time interrupt system. Bit
DDRA3 determines whether Port A bit three is an input or an output when used for
general-purpose I/O. The remaining bits control the pulse accumulator.
DDRA7 — Data Direction Control for Port A Bit 7
PAEN — Pulse Accumulator System Enable
PAMOD — Pulse Accumulator Mode
PEDGE — Pulse Accumulator Edge Control
DDRA3 — Data Direction Register for Port A Bit 3
I4/O5 — Input Capture 4/Output Compare 5
TFLG2 — Timer Interrupt Flag 2
$0025
Bit 7
654321
Bit 0
TOF
RTIF
PAOVF
PAIF
0
RESET:
0000000
0
PACTL — Pulse Accumulator Control
$0026
Bit 7
654321
Bit 0
DDRA7
PAEN
PAMOD
PEDGE
DDRA3
I4/O5
RTR1
RTR0
RESET:
0000000
0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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MC68HC11D0CFNE2R 功能描述:8位微控制器 -MCU 8B MCU 192 BYTES RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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MC68HC11D0CFNE3R 功能描述:8位微控制器 -MCU 8B MCU 192 BYTES RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
MC68HC11D0CP3 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller