参数资料
型号: MCHC705KJ1CPE
厂商: Freescale Semiconductor
文件页数: 79/108页
文件大小: 0K
描述: IC MCU 8BIT 64 BYTES RAM 16PDIP
标准包装: 25
系列: HC05
核心处理器: HC05
芯体尺寸: 8-位
速度: 4MHz
外围设备: POR,WDT
输入/输出数: 10
程序存储器容量: 1.2KB(1.2K x 8)
程序存储器类型: OTP
RAM 容量: 64 x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 16-DIP(0.300",7.62mm)
包装: 管件
Resets and Interrupts
MC68HC705KJ1 MC68HRC705KJ1 MC68HLC705KJ1 Data Sheet, Rev. 4.1
72
Freescale Semiconductor
8.2.1 Power-On Reset
A positive transition on the VDD pin generates a power-on reset.
NOTE
The power-on reset is strictly for power-up conditions and cannot be used
to detect drops in power supply voltage.
A 4064-tcyc (internal clock cycle) delay after the oscillator becomes active allows the clock generator to
stabilize. If any reset source is active at the end of this delay, the MCU remains in the reset condition until
all reset sources are inactive.
Figure 8-2. Power-On Reset Timing
8.2.2 External Reset
A logic 0 applied to the RESET pin for 1 1/2 tcyc generates an external reset. A Schmitt trigger senses the
logic level at the RESET pin.
Figure 8-3. External Reset Timing
Table 8-1. External Reset Timing
Characteristic
Symbol
Min
Max
Unit
RESET Pulse Width
tRL
1.5
tcyc
OSCILLATOR STABILIZATION DELAY(2)
VDD
OSC1 PIN
INTERNAL
CLOCK
INTERNAL
ADDRESS BUS
Notes:
INTERNAL
DATA BUS
1. Power-on reset threshold is typically between 1 V and 2 V.
2. 4064 cycles or 128 cycles, depending on state of SOSCD bit in MOR
$07FE
$07FF
NEW PCH
NEW PCL
(NOTE 1)
3. Internal clock, internal address bus, and internal data bus are not available externally.
INTERNAL
CLOCK
INTERNAL
ADDRESS BUS
Notes:
INTERNAL
DATA BUS
$07FE
$07FF
NEW PC
1. Internal clock, internal address bus, and internal data bus are not available externally.
2. The next rising edge of the internal clock after the rising edge of RESET initiates the reset sequence.
NEW
PCH
tRL
NEW PC
NEW
PCL
DUMMY
OP
CODE
RESET
相关PDF资料
PDF描述
MCHC705KJ1CDWE IC MCU 8BIT 64 BYTES RAM 16SOIC
MCHC705B16NCFNE IC MCU 8BIT 352 BYTES RAM 52PLCC
VJ2225A153JBBAT4X CAP CER 0.015UF 100V 5% NP0 2225
MCHC11F1CFNE4R IC MCU 8BIT 1K RAM 68-PLCC
VE-B6V-IY-F4 CONVERTER MOD DC/DC 5.8V 50W
相关代理商/技术参数
参数描述
MCHC711KS2CFNE3 功能描述:8位微控制器 -MCU 32K EPROM - SLO MODE 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
MCHC711KS2CFNE4 功能描述:8位微控制器 -MCU 32K EPROM - SLO MODE 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
MCHC711KS2MFNE4 功能描述:IC MCU 3MHZ 32K EPROM 68-PLCC RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:HC11 标准包装:1 系列:87C 核心处理器:MCS 51 芯体尺寸:8-位 速度:16MHz 连通性:SIO 外围设备:- 输入/输出数:32 程序存储器容量:8KB(8K x 8) 程序存储器类型:OTP EEPROM 大小:- RAM 容量:256 x 8 电压 - 电源 (Vcc/Vdd):4 V ~ 6 V 数据转换器:- 振荡器型:外部 工作温度:0°C ~ 70°C 封装/外壳:44-DIP 包装:管件 其它名称:864285
MCHC711KS2VFNE3 功能描述:8位微控制器 -MCU 32K EPROM - SLO MODE 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
MCHC812A4CPV5 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Microcontrollers