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參數(shù)資料
| 型號(hào)： | MC68HC711D3CP3 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, PDIP40 |
| 封裝： | PLASTIC, DIP-40 |
| 文件頁(yè)數(shù)： | 70/138頁(yè) |
| 文件大?。?/td> | 1047K |
| 代理商： | MC68HC711D3CP3 |
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Data Types
MC68HC711D3 Data Sheet, Rev. 2.1
Freescale Semiconductor
37
3.2.6.4 Negative (N)
The N bit is set if the result of an arithmetic, logic, or data manipulation operation is negative (MSB = 1).
Otherwise, the N bit is cleared. A result is said to be negative if its most significant bit (MSB) is a 1. A quick
way to test whether the contents of a memory location has the MSB set is to load it into an accumulator
and then check the status of the N bit.
3.2.6.5 I-Interrupt Mask (I)
The interrupt request (IRQ) mask (I bit) is a global mask that disables all maskable interrupt sources.
While the I bit is set, interrupts can become pending, but the operation of the CPU continues uninterrupted
until the I bit is cleared. After any reset, the I bit is set by default and can be cleared only by a software
instruction. When an interrupt is recognized, the I bit is set after the registers are stacked, but before the
interrupt vector is fetched. After the interrupt has been serviced, a return-from-interrupt instruction is
normally executed, restoring the registers to the values that were present before the interrupt occurred.
Normally, the I bit is 0 after a return from interrupt is executed. Although the I bit can be cleared within an
interrupt service routine, "nesting" interrupts in this way should be done only when there is a clear
understanding of latency and of the arbitration mechanism. Refer to Chapter 4 Resets, Interrupts, and
3.2.6.6 Half Carry (H)
The H bit is set when a carry occurs between bits 3 and 4 of the arithmetic logic unit during an ADD, ABA,
or ADC instruction. Otherwise, the H bit is cleared. Half carry is used during BCD operations.
3.2.6.7 X-Interrupt Mask (X)
The XIRQ mask (X) bit disables interrupts from the XIRQ pin. After any reset, X is set by default and must
be cleared by a software instruction. When an XIRQ interrupt is recognized, the X and I bits are set after
the registers are stacked, but before the interrupt vector is fetched. After the interrupt has been serviced,
an RTI instruction is normally executed, causing the registers to be restored to the values that were
present before the interrupt occurred. The X interrupt mask bit is set only by hardware (RESET or XIRQ
acknowledge). X is cleared only by program instruction (TAP, where the associated bit of A is 0; or RTI,
where bit 6 of the value loaded into the CCR from the stack has been cleared). There is no hardware
action for clearing X.
3.2.6.8 STOP Disable (S)
Setting the STOP disable (S) bit prevents the STOP instruction from putting the M68HC11 into a
low-power stop condition. If the STOP instruction is encountered by the CPU while the S bit is set, it is
treated as a no-operation (NOP) instruction, and processing continues to the next instruction. S is set by
reset; STOP is disabled by default.
3.3 Data Types
The M68HC11 CPU supports four data types:
1.
Bit data
2.
8-bit and 16-bit signed and unsigned integers
3.
16-bit unsigned fractions
4.
16-bit addresses
相關(guān)PDF資料 |
PDF描述 |
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| MC68HC11D3CFN3 | 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQCC44 |
| MC68HC11D3CFB1 | 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQFP44 |
| MC68L11D0CFB3 | 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQFP44 |
| MC68HC11D0CFN2R2 | 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC44 |
| MC68HC11D3CP1 | 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PDIP40 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| MC68HC711D3VFNE2 | 功能描述:8位微控制器 -MCU 8B OTP 192RAM 2 MHZ 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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 |
| MC68HC711E20CFN2 | 功能描述:IC MCU 20K 2MHZ OTP 52-PLCC RoHS:否 類別: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 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 |
| MC68HC711E20CFN3 | 功能描述:IC MCU 3MHZ 20K OTP 52-PLCC RoHS:否 類別: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 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 |
| MC68HC711E20CFN4 | 功能描述:IC MCU 20K OTP 4MHZ 52-PLCC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC11 標(biāo)準(zhǔn)包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN，SCI，SPI 外圍設(shè)備:POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):21 程序存儲(chǔ)器容量:40KB（20K x 16） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| MC68HC711E20CFU3 | 制造商:Rochester Electronics LLC 功能描述:8BIT, 20K EPROM, 768RAM. - Bulk 制造商:Freescale Semiconductor 功能描述: 制造商:Motorola Inc 功能描述: |
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