CXLC8LT0481是一款8位单片机。它的存储容量包括80*8位SRAM和2K*13位ROM，其他功能包括定时器RTC、定时器TCC、4组I/O端口。它还可以提供从休眠和空闲模式的中断功能和唤醒功能。CXLC8LT048中集成了可编程声音发生器。具有触摸传感器功能和液晶驱动功能。LCD驱动程序能够驱动多达32个段和多达4个公共区。LCD驱动器支持1/2偏置、1/3偏置和1/3占空比、1/4占空比
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[ CXLC8LT0481 ]
GENERAL DESCRIPTION
The CXLC8LT0481 is an 8-bit single chip micro-controller. Its memory capacity includes 80*8 bits SRAM and 2K *13 bits ROM. Other features include timer RTC, timer TCC, 4 groups I/O port. It can also provide the interrupt function and the wakeup function from sleep and idle mode. A programmable sound generator is integrated in CXLC8LT048. It has touch sensor function and LCD driver function. The LCD driver is capable of driving up to 32 segments and up to 4 commons. The LCD driver supports 1/2 bias, 1/3bias and 1/3 duty, 1/4 duty.
FEATURES
Microcontroller Features
l Operating voltage: 2.4V~5.5V.
l Operating frequency up to 2MHz.
l 2K*13 bits ROM
l 80*8 bits SRAM.
l 4 groups GPIO:
－ P1.0~P1.7: GPIO with pullup functional, segment driver port
－ P3.0~P3.1: GPIO with pullup functional; PJTMS output port
－ P4.0~P4.7: GPIO with pullup functional touch sensor (P4.2~P4.7), wake-up function external interrupt function (P4.0 and P4.1)
－ P2.0~P2.6: GPIO with pullup functional; shared port
l 4 level stacks for subroutine nesting.
l Clock Sources
－ 32768Hz crystal oscillator with external crystal.
－ RC oscillator (RCH) with external resistor.(up to 2MHz.)
－ 32KHz RC oscillator (RCL) with internal resistor.
－ 2.0MHz RC oscillator (RCH) with internal resistor.
l Oscillator mode
－ crystal oscillator work only
－ crystal oscillator and RC oscillator (external resistor) work together
－ crystal oscillator and RC oscillator (internal resistor, 2MHz) work together
－ Internal 32KHz oscillator and RC oscillator (external resistor) work together － Internal 32KHz oscillator and RC oscillator (internal resistor, 2MHz) work together
l 8-bit Timer TCC with overflow interrupt
l Watchdog Timer (WDT) with its own on-chip RC oscillator to prevent system stand still.
l 8-bit prescaler for TCC and WDT
l 8-bit Timer RTC with overflow interrupt
l 16-bit Timer TIMER1 with overflow interrupt
l 6 hard interrupt source:
－ RTC overflow interrupt
－ 8-bit timer TCC overflow interrupt
－ 16-bit timer TIMER1 overflow interrupt
－ touch sensor compare complete interrupt
－ P4.0 external input interrupt
－ P4.1 external input interrupt
l Built-in power on reset (POR).
l Oscillator Start-up Timer (OST)
LCD Module Features
l Operation voltage: 3V.
l Two types of driver mode: 1/2 bias, 1/3duty and 1/3 bias, 1/4 duty.
l Up to 48 dots
l Shared segment ports. P1.0 ~ P1.7 /SEG<4>~SEG<11>
Touch Sensor Module Features
l 6 touch pads (P4.2~P4.7)
l Touch sensor can work at main clock or sub clock
l 16-bit timer TIMER1 with overflow interrupt and wakeup function
l Touch sensor compare complete interrupt and wakeup function
l 2.3V output regulator can be turn on or turn off by software. If the customer wants VDD to be the reference, the regulator must be disable and pin Vref must be connected to VDD.
Programmabel sound generator
l the drive current is 80mA.
l Clock Source :
- Main clock
- Sub clock
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4/8位LCD系列 |
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|
Part No. |
Voltage |
ROM |
RAM |
I/O |
FRAQ. |
LCD |
Package |
|
1.2~2.2 |
2K MASK |
32x4Bit |
5 |
32KHz~1MHz |
48 |
DICE |
|
|
1.2~3.5 |
1K MASK |
48x8Bit |
8 |
32KHz~500kHz |
48 |
DICE |
|
|
1.2~2.2 |
2K MASK |
80x8Bit |
13 |
32KHz~500kHz |
76 |
DICE |
|
|
1.2~3.5 |
2K MASK |
32x4Bit |
12 |
32KHz~500kHz |
96 |
DICE |
|
|
1.2~2.2 |
4K MASK |
144x8Bit |
20 |
32KHz~1.5MHz |
128 |
DICE |
|
|
2.4~5.5 |
4K MASK |
144x8Bit |
17 |
32KHz~1MHz |
128 |
DICE |
|
|
2.4~5.5 |
4K MASK |
144x8Bit |
9 |
32KHz~1MHz |
128 |
DICE |
|
|
2.4~5.5 |
4K OTP |
144x8Bit |
9 |
32KHz~10MHz |
128 |
DICE |
|
|
2.4~5.5 |
4K OTP |
144x8Bit |
30 |
32KHz~8MHz |
128 |
DICE |
|
|
2.4~5.5 |
4K OTP |
144x8Bit |
24 |
32KHz~4MHz |
128 |
DICE LQFP64 SOP28 QFP44 |
|
|
2.4~5.5 |
11K MASK |
144x8Bit |
16 |
32KHz~4MHz |
280 |
DICE |
|
|
2.4~5.5 |
2K MASK |
80x8Bit |
25 |
32KHz~2MHz |
48 |
DICE |
|
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