CX8PE51E CX8PE51E系列是一系列低成本、高速、高抗噪、基于EPROM/ROM的8位CMOS微控制器。它采用了只有47条指令的RISC架构。所有指令都是单周期的,除了需要两个周期的程序分支。易于使用和记忆的指令集大大缩短了开发时间。CX8PE51E系列包括上电复位(POR)、断电复位(BOR)、上电复位定时器(PWRT)、振荡器启动定时器(OST)、看门狗定时器、EPROM/ROM、SRAM、三态I/O端口、I/O拉高/开漏控制、省电睡眠模式、4实时可编程时钟/计数器、中断、SPI、RFC、数据比较、从睡眠模式唤醒,以及EPROM产品的代码保护。有三种振荡器配置可供选择,包括省电的LP(低功耗)振荡器和节省成本的RC振荡器。CX8PE51E系列地址为程序存储器4K×13。CX8PE51E系列可直接或间接寻址其寄存器文件和数据存储器。包括程序计数器在内的所有特殊功能寄存器都映射到数据存储器中
·所有指令都是单周期的,除了两个周期的程序分支
·13位宽指令
·8位宽数据通道
·5层深度硬件堆栈
·4K x 13位片上EPROM/ROM
·140 x 8位片上通用寄存器(SRAM)
·工作速度:DC-20MHz时钟输入DC-100ns指令周期
·数据访问的直接、间接寻址模式
·一个8位实时时钟/计数器(定时器0),带8位可编程预分频器
·三个8位实时时钟/计数器(Timer1、Timer2和Timer3),具有周期设置
·内部通电复位(POR)
·内置低压探测器(LVD),用于褐化复位(BOR)
·通电复位定时器(PWRT)和振荡器启动定时器(OST)
·带内部振荡器的片上看门狗定时器(WDT),用于可靠操作和软件看门狗启用/禁用控制
·5个带独立方向控制的I/O端口(38个I/O引脚)
·32个可编程拉高输入引脚
·12个唤醒针
·2个开口销
·2个R选项管脚
·具有高驱动能力的时钟输出
·19路15位分辨率电阻至变频器(RFC)输出
·2路最大10位分辨率脉冲宽度调制(PWM)输出
内置8位数据比较器
·七个内部中断源:Timer0溢出、Timer1匹配、Timer2匹配、Timer3匹配、SPI模块(接收和传输)、RFC模块;一个外部中断源:INT pin change
·通过端口输入更改从睡眠中醒来
·省电睡眠模式
·可编程代码保护
内置RC振荡器,带外部电阻
·可选振荡器选项:
-外部电阻/电容振荡器
-外部电阻/内部电容振荡器
-高频晶体/谐振器振荡器
-XT:晶体/谐振器振荡器
-低频晶体振荡器
·宽工作电压范围:
-EPROM:2.3V至5.5V
-ROM:2.3V至5.5V
[ CX8PE51E ]
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产品概述 返回TOP
产品特点 返回TOP
‧ Only 47 single word instructions
‧ All instructions are single cycle except for program branches which are two-cycle
‧ 13-bit wide instructions
‧ 8-bit wide data path
‧ 5-level deep hardware stack
‧ 4K x 13 bits on chip EPROM/ROM
‧ 140 x 8 bits on chip general purpose registers (SRAM)
‧ Operating speed: DC-20 MHz clock input DC-100 ns instruction cycle
‧ Direct, indirect addressing modes for data accessing
‧ One 8-bit real time clock/counter (Timer0) with 8-bit programmable prescaler
‧ Three 8-bit real time clock/counter (Timer1, Timer2, and Timer3) with period setting
‧ Internal Power-on Reset (POR)
‧ Built-in Low Voltage Detector (LVD) for Brown-out Reset (BOR)
‧ Power-up Reset Timer (PWRT) and Oscillator Start-up Timer(OST)
‧ On chip Watchdog Timer (WDT) with internal oscillator for reliable operation and soft-ware watch-dog enable/disable control
‧ Five I/O ports (38 I/O pins) with independent direction control
‧ 32 programmable pull-high input pins
‧ 12 wake-up pins
‧ 2 open-drain pins
‧ 2 R-option pins
‧ Clock output with high driving ability
‧ 19 channels of 15-bit resolution Resistor to Frequency Converter (RFC) output
‧ 2 channels of maximum 10-bit resolution Pulse Width Modulation (PWM) output
‧ Built-in 8-bit data comparator
‧ Seven internal interrupt source: Timer0 overflow, Timer1 match, Timer2 match, Timer3 match, SPI module (Receive & Transmit), RFC module; One external interrupt source: INT pin change
‧ Wake-up from SLEEP by port input change
‧ Power saving SLEEP mode
‧ Programmable Code Protection
‧ Built-in RC oscillator with external resistor
‧ Selectable oscillator options:
- ERC: External Resistor/Capacitor Oscillator
- ERIC: External Resistor/Internal Capacitor Oscillator
- HF: High Frequency Crystal/Resonator Oscillator
- XT: Crystal/Resonator Oscillator
- LF: Low Frequency Crystal Oscillator
‧ Wide-operating voltage range:
- EPROM : 2.3V to 5.5V
- ROM : 2.3V to 5.5V
应用范围 返回TOP
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GPIO |
|||||||||||||||
Product Name |
ROM |
RAM |
I/O |
Ext. |
Int. |
Wake up |
Stack |
Timer |
PWM / |
ADC |
LCD |
Interface |
IRC |
Package |
Status |
(Word) |
(Byte) |
Inte. |
Int. |
IROUT |
|||||||||||
4K(MASK ROM) |
140 |
38 |
1 |
7 |
Yes |
5 |
8bit*4 |
10bit PWM*2 |
15bit RFC*19 |
No |
SPI |
No |
DIP40/QFP44 |
MP |
|
4(MASK ROM) |
144 |
24 |
2 |
1 |
Yes |
5 |
8bit*1 |
No |
No |
No |
No |
Yes |
DIO/SOP |
MP |
|
4K(OTP) |
140 |
38 |
1 |
7 |
Yes |
5 |
8bit*4 |
10bit PWM*2PWM*2 |
15bit RFC*19 |
No |
SPI |
No |
DIP40/QFP44 |
MP |
|
1K(OTP) |
49 |
16 |
2 |
1 |
Yes |
5 |
8bit*1 |
No |
No |
No |
No |
Yes |
DIP/SOP18/SSOP20 |
MP |
|
512(OTP) |
48 |
20 |
1 |
1 |
Yes |
5 |
8bit*1 |
No |
No |
No |
No |
Yes |
DIP/SOP/SSOP28 |
MP |
|
2K(OTP) |
96 |
20 |
1 |
1 |
Yes |
5 |
8bit*1 |
No |
No |
No |
No |
Yes |
DIP/SOP/SSOP28 |
MP |
|
4K(OTP) |
144 |
24 |
2 |
4 |
Yes |
5 |
8bit*2 |
IROUT |
No |
No |
SPI |
Yes |
DIP/SOP/SSOP2 8/DIP/SOP32 |
MP |
|
1K(OTP) |
49 |
12 |
2 |
1 |
Yes |
5 |
8bit*1 |
No |
No |
No |
No |
Yes |
DIP14/SOP14 |
MP |
|
1K |
49 |
16 |
2 |
1 |
Yes |
5 |
8bit*1 |
No |
No |
No |
No |
Yes |
DIP/SOP18 |
MP |
|
1K(OTP) |
49 |
12 |
2 |
1 |
Yes |
5 |
8bit*1 |
No |
No |
No |
No |
Yes |
DIP14/SOP1 |
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