參數(shù)資料
型號: COP8CCR9HVA8/NOPB
廠商: National Semiconductor
文件頁數(shù): 54/111頁
文件大小: 0K
描述: IC MCU FLASH CMOS 8BIT 44-PLCC
標準包裝: 25
系列: COP8™ 8C
核心處理器: COP8
芯體尺寸: 8-位
速度: 20MHz
連通性: Microwire/Plus(SPI),UART/USART
外圍設備: 欠壓檢測/復位,POR,PWM,WDT
輸入/輸出數(shù): 37
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 16x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
其它名稱: *COP8CCR9HVA8
*COP8CCR9HVA8/NOPB
COP8CCR9HVA8
COP8CCR9HVA8-ND
SNOS535I – OCTOBER 2000 – REVISED MARCH 2013
Figure 5-12. Timer in Input Capture Mode
5.11.3 TIMER CONTROL FLAGS
The control bits and their functions are summarized below.
TxC3
Timer mode control
TxC2
Timer mode control
TxC1
Timer mode control
TxC0
Timer Start/Stop control in Modes 1 and 2 (Processor Independent PWM and External Event
Counter), where 1 = Start, 0 = Stop
Timer Underflow Interrupt Pending Flag in Mode 3 (Input Capture)
TxPNDA
Timer Interrupt Pending Flag
TxENA
Timer Interrupt Enable Flag
1 = Timer Interrupt Enabled
0 = Timer Interrupt Disabled
TxPNDB
Timer Interrupt Pending Flag
TxENB
Timer Interrupt Enable Flag
1 = Timer Interrupt Enabled
0 = Timer Interrupt Disabled
The timer mode control bits (TxC3, TxC2 and TxC1) are detailed in Table 5-14, Timer Operating Modes.
When the high speed timers are counting in high speed mode, directly altering the contents of the timer
upper or lower registers, the PWM outputs or the reload registers is not recommended. Bit operations can
be particularly problematic. Since any of these six registers or the PWM outputs can change as many as
ten times in a single instruction cycle, performing an SBIT or RBIT operation with the timer running can
produce unpredictable results. The recommended procedure is to stop the timer, perform any changes to
the timer, the PWM outputs or reload register values, and then re-start the timer. This warning does not
apply to the timer control register. Any type of read/write operation, including SBIT and RBIT may be
performed on this register in any operating mode.
Copyright 2000–2013, Texas Instruments Incorporated
Functional Description
47
Product Folder Links: COP8CBR9 COP8CCR9 COP8CDR9
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COP8CCR9IMT7/NOPB 功能描述:8位微控制器 -MCU 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 安裝風格:SMD/SMT
COP8CCR9IMT8 功能描述:8位微控制器 -MCU 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 安裝風格:SMD/SMT
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