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| 型号： | MC68HC705F8B |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 1.8 MHz, MICROCONTROLLER, PDIP56 |
| 封装： | PLASTIC, SDIP-56 |
| 文件页数： | 5/126页 |
| 文件大小： | 1084K |
| 代理商： | MC68HC705F8B |
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MOTOROLA
11-2
MC68HC05F8
LOW POWER MODES
11
11.1.2
Timer B during Stop Mode
When Stop mode is entered, the timer B (reloadable timer) counter stops counting (the internal
processor clock is stopped) and remains at that particular count value until the Stop mode is
exited. If the exit was caused by reset, the reloadable timer is disabled. If the Stop mode is exited
by an interrupt (IRQ1, IRQ2, or keyboard interrupt), the counter resumes counting from the value
when it entered the Stop mode.
11.1.3
SPI during Stop Mode
When the Stop mode is entered, the baud rate generator driving the SPI shuts down. This stops
all master mode SPI operations, thus the master SPI is unable to transmit or receive any data. If
the STOP instruction is executed during an SPI transfer, that transfer is halted until the MCU exits
the Stop mode by an interrupt (IRQ1, IRQ2, or keyboard interrupt). If the Stop mode is exited by
a reset, the appropriate control/status bits are cleared and the SPI is disabled. If the device is in
the slave mode when the STOP instruction is executed, the slave SPI will still operate. It can still
accept data, clock information, and transmit data back to a master device, but no ags are set at
the end of the transmission until the Stop mode is exited by an interrupt. The user should be
careful when using the SPI as slave during the Stop mode because data protection features are
not active (e.g. write collision).
It should also be noted that when the MCU is in the Stop mode, the enabled output drivers (TCMP,
SDO, SDI, and SCK ports) remain active, and any sourcing currents from these outputs will be
part of the total supply current required by the device.
11.1.4
DMG during Stop Mode
When the Stop mode is entered, all counters which generate the timings for the DTMF and
Melody, and all current sources of the active lter will be shut down. The TONEOUT pin of the
DMG will be tri-stated and the TONEX pin will be at logic high. All DMG operations are halted.
11.1.5
COP during Stop Mode
If the COP system is enabled and the “kill” watchdog timer feature is not activated, the watchdog
timer will continue to run in Stop mode, and eventually time-out, causing a reset to the MCU.
If the COP system is enabled and the “kill” watchdog timer is activated, a STOP instruction will
reset the watchdog timer and disable the COP system.
If the WDTE bit is set, when the MCU exits Stop mode (by an interrupt), the COP system is
automatically enabled and the watchdog timer counter is loaded with the initial value. The COP
system remains inactive if WDTE bit is cleared.
TPG
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For More Information On This Product,
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相关代理商/技术参数 |
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| MC68HC705G1B | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC68HC705J1A | 制造商:Freescale Semiconductor 功能描述: |
| MC68HC705J1ACDW | 功能描述:IC MCU 4MHZ 1.2K OTP 20-SOIC RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C，IrDA，LIN，SPI，UART/USART 外围设备:DMA，PDR，POR，PVD，PWM，温度传感器，WDT 输入/输出数:26 程序存储器容量:64KB（64K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN，36-VFQFPN 包装:托盘 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... 其它名称:497-9032STM32F101T8U6-ND |
| MC68HC705J1ACP | 功能描述:IC MCU 4MHZ 1.2K OTP 20-DIP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C，IrDA，LIN，SPI，UART/USART 外围设备:DMA，PDR，POR，PVD，PWM，温度传感器，WDT 输入/输出数:26 程序存储器容量:64KB（64K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN，36-VFQFPN 包装:托盘 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... 其它名称:497-9032STM32F101T8U6-ND |
| MC68HC705J1ACPE | 功能描述:8位微控制器 -MCU HCO5 CORE+1.2K RAM + EPR 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 |
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