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| 型號(hào)： | MC68HC11F1CFN3 |
| 廠商： | Freescale Semiconductor |
| 文件頁(yè)數(shù)： | 17/158頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 512 EEPROM 3MHZ 68-PLCC |
| 標(biāo)準(zhǔn)包裝： | 18 |
| 系列： | HC11 |
| 核心處理器： | HC11 |
| 芯體尺寸： | 8-位 |
| 速度： | 3MHz |
| 連通性： | SCI，SPI |
| 外圍設(shè)備： | POR，WDT |
| 輸入/輸出數(shù)： | 30 |
| 程序存儲(chǔ)器類(lèi)型： | ROMless |
| EEPROM 大小： | 512 x 8 |
| RAM 容量： | 1K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 4.75 V ~ 5.25 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 8x8b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 68-LCC（J 形引線） |
| 包裝： | 管件 |
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TIMING SYSTEM
TECHNICAL DATA
9-7
To produce a pulse of a specific duration, write a value to the output compare register
that represents the time the leading edge of the pulse is to occur. The output compare
circuit is configured to set the appropriate output either high or low, depending on the
polarity of the pulse being produced. After a match occurs, the output compare register
is reprogrammed to change the output pin back to its inactive level at the next match.
A value representing the width of the pulse is added to the original value, and then writ-
ten to the output compare register. Because the pin state changes occur at specific
values of the free-running counter, the pulse width can be controlled accurately at the
resolution of the free-running counter, independent of software latencies. To generate
an output signal of a specific frequency and duty cycle, repeat this pulse-generating
procedure.
There are four 16-bit read/write output compare registers: TOC1, TOC2, TOC3, and
TOC4, and the TI4/O5 register, which functions under software control as either IC4
or OC5. Each of the OC registers is set to $FFFF on reset. A value written to an OC
register is compared to the free-running counter value during each E-clock cycle. If a
match is found, the particular output compare flag is set in timer interrupt flag register
1 (TFLG1). If that particular interrupt is enabled in the timer interrupt mask register 1
(TMSK1), an interrupt is generated. In addition to an interrupt, a specified action can
be initiated at one or more timer output pins. For OC[5:2], the pin action is controlled
by pairs of bits (OMx and OLx) in the TCTL1 register. The output action is taken on
each successful compare, regardless of whether or not the OCxF flag in the TFLG1
register was previously cleared.
OC1 is different from the other output compares in that a successful OC1 compare can
affect any or all five of the OC pins. The OC1 output action taken when a match is
found is controlled by two 8-bit registers with three bits unimplemented: the output
compare 1 mask register, OC1M, and the output compare 1 data register, OC1D.
OC1M specifies which port A outputs are to be used, and OC1D specifies what data
is placed on these port pins.
9.3.1 Timer Output Compare Registers
All output compare registers are 16-bit read-write. Each is initialized to $FFFF at reset.
If an output compare register is not used for an output compare function, it can be used
as a storage location. A write to the high-order byte of an output compare register pair
inhibits the output compare function for one bus cycle. This inhibition prevents inap-
propriate subsequent comparisons. Coherency requires a complete 16-bit read or
write. However, if coherency is not needed, byte accesses can be used.
For output compare functions, write a comparison value to output compare registers
TOC1–TOC4 and TI4/O5. When TCNT value matches the comparison value, speci-
fied pin actions occur.
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| MC68HC11F1CFN4 | 功能描述:IC MCU 512 EEPROM 4MHZ 68-PLCC RoHS:否 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC11 其它有關(guān)文件:STM32F101T8 View All Specifications 特色產(chǎn)品:STM32 32-bit Cortex MCUs 標(biāo)準(zhǔn)包裝:490 系列:STM32 F1 核心處理器:ARM? Cortex?-M3 芯體尺寸:32-位 速度:36MHz 連通性:I²C，IrDA，LIN，SPI，UART/USART 外圍設(shè)備:DMA，PDR，POR，PVD，PWM，溫度傳感器，WDT 輸入/輸出數(shù):26 程序存儲(chǔ)器容量:64KB（64K x 8） 程序存儲(chǔ)器類(lèi)型:閃存 EEPROM 大小:- RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):2 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 10x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:36-VFQFN，36-VFQFPN 包裝:托盤(pán) 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名稱:497-9032STM32F101T8U6-ND |
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