参数资料
型号: MC68HC705CL16
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 1.802 MHz, MICROCONTROLLER, PQFP100
封装: TQFP-100
文件页数: 114/145页
文件大小: 673K
代理商: MC68HC705CL16
GENERAL RELEASE SPECIFICATION
June 11, 1997
MOTOROLA
TIMER
MC68HC05CL48
8-18
REV 2.0
The power-on cycle clears the entire counter chain and begins clocking the
counter. After 2016 cycles, the power-on reset circuit is released which again
clears the counter chain and allows the device to come out of reset. At this point, if
RESET is not asserted, the timer will start counting up from zero and normal
device operation will begin. When RESET is asserted any time during operation
(other than POR), the counter chain will be cleared.
8.2.4 Operation During Low Power Mode
The timer is cleared when going into STOP mode. When STOP is exited by an
external interrupt or an external RESET, the internal oscillator will resume,
followed by 2016 cycles internal processor stabilization delay. The timer is then
cleared and operation resumes.
The CPU clock halts during the WAIT mode, but the timer remains active. If the
interrupts are enabled, the timer interrupt will cause the processor to exit the WAIT
mode.
76543210
CTCR
$0009
READ
CT7
CT6
CT5
CT4
CT3
CT2
CT1
CT0
WRITE
RESET
00000000
Table 8-1. RTI and COP Rates at 1.8MHz Bus Frequency
BUS FREQUENCY = 1.8 MHz
RT1:RT0
Div. Ratio
RTI Rate
COP Rate (RTIx7)
00
214
9.1 ms
63.7 ms
01
215
18.2ms
127.4 ms
10
216
36.4 ms
254.8 ms
11
217
72.8 ms
509.6 ms
相关PDF资料
PDF描述
MC68HC705MC4VDW 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, PDSO28
MSP430F2002TRSA 16-BIT, FLASH, 16 MHz, RISC MICROCONTROLLER, PQCC16
MPC8280CZUSLDX 32-BIT, 375 MHz, RISC PROCESSOR, PBGA480
MPC8270CZQUPEX 32-BIT, 450 MHz, RISC PROCESSOR, PBGA516
MPC8270ZQQLDX 32-BIT, 333 MHz, RISC PROCESSOR, PBGA516
相关代理商/技术参数
参数描述
MC68HC705E6CDW 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述:
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