Datasheet > AT83C5111-3ZSIL

AT83C5111-3ZSIL

更新时间： 2024-01-13 21:15:20

品牌	Logo	应用领域
爱特美尔 - ATMEL		转换器微控制器
页数	文件大小	规格书
86页	999K
描述
Low Pin Count 8-bit Microcontroller with A/D Converter

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AT83C5111-3ZSIL 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	DIP	包装说明：	DIP,
针数：	24	Reach Compliance Code：	unknown
ECCN代码：	3A991.A.2	HTS代码：	8542.31.00.01
风险等级：	5.92	具有ADC：	YES
地址总线宽度：		位大小：	8
最大时钟频率：	33 MHz	DAC 通道：	NO
DMA 通道：	NO	外部数据总线宽度：
JESD-30 代码：	R-PDIP-T24	长度：	30.45 mm
湿度敏感等级：	1	I/O 线路数量：	18
端子数量：	24	最高工作温度：	85 °C
最低工作温度：	-40 °C	PWM 通道：	YES
封装主体材料：	PLASTIC/EPOXY	封装代码：	DIP
封装形状：	RECTANGULAR	封装形式：	IN-LINE
峰值回流温度（摄氏度）：	225	认证状态：	Not Qualified
ROM可编程性：	MROM	座面最大高度：	5.33 mm
速度：	66 MHz	最大供电电压：	5.5 V
最小供电电压：	2.7 V	标称供电电压：	5 V
表面贴装：	NO	技术：	CMOS
温度等级：	INDUSTRIAL	端子形式：	THROUGH-HOLE
端子节距：	2.54 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	7.62 mm
uPs/uCs/外围集成电路类型：	MICROCONTROLLER	Base Number Matches：	1

AT83C5111-3ZSIL 数据手册

AT8xC5111

Clock System

The AT8xC5111 oscillator system provides a reliable clocking system with full mastering

of speed versus CPU power trade off. Several clock sources are possible:

•

External clock input

High-speed crystal or ceramic oscillator

Integrated high-speed RC oscillator

The selected clock source can be divided by 2 - 512 before clocking the CPU and the

peripherals. When X2 function is set, the CPU needs 6 clock periods per cycle.

Clocking is controlled by several SFR registers: OSCON, CKCON0, CKCON1, CKRL.

Blocks Description

The AT8xC5111 includes the following oscillators:

•

Crystal oscillator

Integrated high-speed RC oscillator, with typical frequency of 12 MHz

Crystal Oscillator: OSCA

The crystal oscillator uses two external pins, XTAL1 for input and XTAL2 for output.

Both crystal and ceramic resonators can be used. An oscillator source on XTAL1 is

mandatory to start the product.

OSCAEN in OSCCON register is an enable signal for the crystal oscillator or the exter-

nal oscillator input.

Integrated High-speed RC

Oscillator: OSCB

The high-speed RC oscillator typical frequency is 12 MHz. Note that the on chip oscilla-

tor has a ±50% frequency tolerance and may not be suitable for use in some

applications.

OSCBEN in OSCCON register is an enable signal for the high-speed RC oscillator.

Clock Selector

Clock Prescaler

CKS bit in CKS register is used to select from crystal to RC oscillator.

OSCBEN bit in OSCCON register is used to enable the RC oscillator.

OSCAEN bit in OSCCON register is used to enable the crystal oscillator or the external

oscillator input.

Before supplying the CPU and the peripherals, the main clock is divided by a factor of 2

to 512, as defined by the CKRL register. The CPU needs from 12 to 256*12 clock peri-

ods per instruction. This allows:

•

to accept any cyclic ratio to be accepted on XTAL1 input.

to reduce the CPU power consumption.

The X2 bit allows to bypass the clock prescaler; in this case, the CPU needs only 6 clock

periods per machine cycle. In X2 mode, as this divider is bypassed, the signals on

XTAL1 must have a cyclic ratio between 40 to 60%.

4190A–8051–11/02

1...4 5 678 9 10...86

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