GPLB25B数据手册Generalplus中文资料规格书

描述 Description

GPLB25B, an 8-bit CMOS microcontroller with advanced processing technology and mechanism by Generalplus, integrates many features in a compact package, including SRAM, ROM, I/Os, an interrupt controller, a timer and a LCD controller/driver.  The amount of 46K bytes of ROM is able to offer sufficient space for LCD graphical data.  The 2176-bytes of SRAM are all available to users.  In addition, 14 I/Os, timer, LCD driver, NMI controller, Watchdog Timer, Low Voltage Power Down and other features increase the capability of driving sophisticated functions and displaying crispy LCD graphics.  The GPLB25B is a high-end microcontroller that filled with modern technology and strong backup from Generalplus.  Obviously, it is one of the most suitable products for your LCD products.

特性 Features

• Built-in 8-bit CPU (CPU15)
• 46K bytes ROM
• 128 bytes SRAM for CPU working space
• 2K bytes SRAM for data
• Max. operating speed:3.0MHz @ 2.4V

• NMI controller
• 2Hz for Real Time Clock (RTC)
• 128Hz
• Key(PA7 - 0)
• Counter overflow

• Programmable LCD driver
• Up to 60 segments, up to 11 commons, maximum 660 dots
• 1/4, 1/5 bias capability
• 1/4, 1/5, 1/6, 1/8, 1/9, 1/10, 1/11 duty
• 88 bytes dedicated LCD RAM
• Fixed LCD COM/SEG driving strength
• 16-level VLCD adjustable

• Low Voltage Reset Level is 2.2V and can be disabled by mask   Option
• Low Voltage Detecting Level is 2.4V and can be disabled by mask option
• Low Voltage Power Down and is controlled by register
• Wide operating voltage:
• 2.4V – 3.6V @ 3.0MHz

• Power saving SLEEP mode
• Serial SRAM interface
• Power consumption:
• 1.3mA typical @ 3.0V, FCPU = 3.0MHz
• <1.0uA typical standby current @ 3.6V

• Peripherals
• 14 I/O ports (PA7 - 0, PB1 - 0, PC3 - 0)
• Built-in RC-oscillator (only one resistor is needed)
• Built-in 32.768KHz crystal oscillator for real time clock  function
• 8-bit reloadable timer/counter with pre-scalar
• Watchdog Timer for reliable operation