CX8PE53B是一款低成本、高速、高抗噪、基于OTP的8位CMOS微控制器。Itemploys的RISC架构只有42条指令。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。
CX8PE53B由上电复位（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、OTP、SRAM、三态I/O端口、I/O拉高/开漏/拉低控制、省电睡眠模式、实时可编程时钟/计数器、中断、从睡眠模式唤醒，以及OTP产品的代码保护。有三种振荡器配置可供选择，包括省电的低频（LF）振荡器和节省成本的RC振荡器。
程序存储器的CX8PE53B地址1K×13。
CX8PE53B可以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。
带8位可编程预分频器的8位实时时钟/计数器
·带内部振荡器的片上看门狗定时器（WDT），工作可靠
和软件看门狗启用/禁用控制
·2个独立方向控制的I/O端口
·软件I/O高拉/下拉或开放式排水控制
·1个内部中断源；2个外部中断源
·从睡眠模式中醒来
内置8MHz、4MHz、1MHz和455KHz内部RC振荡器
·工作电压范围：1.8V至3.5V
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[ CX8PE53B ]
目录
产品概述 返回TOP
The CX8PE53B is a low-cost, high speed, high noise immunity, OTP-based 8-bit CMOS microcontrollers. Itemploys a RISC architecture with only 42 instructions. All instructions are single cycle except for programbranches which take two cycles. The easy to use and easy to remember instruction set reduces developmenttime significantly.
The CX8PE53B consists of Power-on Reset (POR), Brown-out Reset (BOR), Power-up Reset Timer (PWRT),Oscillator Start-up Timer(OST), Watchdog Timer, OTP, SRAM, tri-state I/O port, I/O pull-high/open-drain/pull-down control, Power saving SLEEP mode, real time programmable clock/counter, Interrupt, Wake-up from SLEEPmode, and Code Protection for OTP products. There are three oscillator configurations to choose from, includingthe power-saving LF (Low Frequency) oscillator and cost saving RC oscillator.
The CX8PE53B address 1K×13 of program memory.
The CX8PE53B can directly or indirectly address its register files and data memory. All special function registers including the program counter are mapped in the data memory.
产品特点 返回TOP
8-bit real time clock/counter with 8-bit programmable prescaler
‧ On chip Watchdog Timer (WDT) with internal oscillator for reliable operation
and soft-ware watch-dog enable/disable control
‧ 2 I/O ports with independent direction control
‧ Soft-ware I/O pull-high/pull-down or open-drain control
‧ 1 internal interrupt source; 2 external interrupt source
‧ Wake-up from SLEEP mode
‧ Built-in 8MHz, 4MHz, 1MHz, and 455KHz internal RC oscillator
‧ Operating voltage range: 1.8V to 3.5V
应用范围 返回TOP
a
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
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GPIO |
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Product Name |
ROM |
RAM |
I/O |
Ext. |
Int. |
Wake up |
Stack |
Timer |
PWM / |
ADC |
LCD |
Interface |
IRC |
Package |
Status |
|
(Word) |
(Byte) |
Inte. |
Int. |
IROUT |
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|
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 |
D |
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